CN102524257A - Double-drought resistance water-retaining agent, seed coating agent and pelleted seeds, and preparation method thereof - Google Patents
Double-drought resistance water-retaining agent, seed coating agent and pelleted seeds, and preparation method thereof Download PDFInfo
- Publication number
- CN102524257A CN102524257A CN2011102983865A CN201110298386A CN102524257A CN 102524257 A CN102524257 A CN 102524257A CN 2011102983865 A CN2011102983865 A CN 2011102983865A CN 201110298386 A CN201110298386 A CN 201110298386A CN 102524257 A CN102524257 A CN 102524257A
- Authority
- CN
- China
- Prior art keywords
- seed
- water
- loss reducer
- preparation
- pelleted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Pretreatment Of Seeds And Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a double-drought resistance water-retaining agent which comprises salicylic acid and poly-2-acrylamido-2-methyl-propanesulfonic acid. The invention further provides a preparation method of the water-retaining agent, seed coating agent containing the water-retaining agent, a preparation method of pelleted seeds with double drought resistance functions, and the pelleted seeds with double drought resistance functions. Compared with the prior art, the invention has the advantages that the operation is simple and convenient, simple adjustment is carried out on the basis of not changing the process flow of the original pelleting technology, equipment and the like are not needed to be updated, and the cost is low. Compared with common pelleted seeds, the pelleted seeds with double drought resistance functions have no difference in appearance, but the drought resistance of the seeds can be remarkably improved.
Description
Technical field
The present invention relates to seed treatment and pill-type technology, be specifically related to a kind of dual drought resisting type water-loss reducer, plant the clothing agent, have the preparation method and the pelleted seed of the pelleted seed of dual drought resisting function.
Background technology
The seed pill-type technology is a kind of new method for treating seeds.China uses on Different Crop since kind of the clothing agent research eighties in last century, begins to promote the tobacco pelleted seed beginning of the nineties, and present national tobacco pelleted seed utility ratio reaches about 90%.The coat pelleted seeds of various crops has been obtained obvious effects in agricultural production.
At present; Development about drought resisting type pelleted seed; Main thought and principle are in seed coating medicine, to add water absorbing agent (like fulvic acid), when irrigate or when rainy water absorbing agent from soil, absorb water and forms one " little reservoir ", moisture flows out from " little reservoir " for seed or seedling utilization during arid.
Chinese patent " drought-resistant seed compound coating agent " (CN1070799A) discloses a kind of drought-resistant seed compound coating agent that improved crop variety is handled that is used for.This seed coating medicine also contains the super absorbent resin of 3%～4.5% (percentage by weight) except containing agricultural chemicals, little fertilizer, trace element, auxin, thereby can not only prevention and elimination of disease and pests, promotes plant growth, also has significant drought control and drought resistance effect.
The drought-resistant seed compound coating agent that Chinese patent " drought-resistant seed compound coating agent and preparation method " (CN1108878A) provides; Except that containing agricultural chemicals, trace element, auxin; Also contain 1.8%～2.8% super absorbent resin, have drought resisting, promote the agricultural chemicals lasting effect, improve advantages such as emergence rate, raising the output.
But; Depend merely on that water absorbing agent absorbs water and the mode put aside just improves the drought resistance of seed from physics suction aspect from soil; In addition; Water absorbent rates lower (below 600 times) such as traditional water absorbing agent such as fulvic acid, Sodium Polyacrylate, carboxymethyl cellulose, water-holding capacity is limited, has limited its scope of on pelleted seed, using.
Summary of the invention
The objective of the invention is to avoid the deficiency of above-mentioned prior art, a kind of dual drought resisting type water-loss reducer is provided, plants the clothing agent, has the preparation method and the pelleted seed of the pelleted seed of dual drought resisting function.Contain dual anti-drought water-retaining agent in the pelleted seed of the present invention's preparation; It can drink up the rain or soil moisture and storage; When meeting with arid; Water-loss reducer also can slowly discharge salicylic acid and coerce with the reply drought environment in release stored moisture therein, promotes seed quick-speed germination and growth of seedling.The salicylic acid that discharges is regulated material as a kind of plant stress-resistance, can improve the drought-resistant ability of seed and seedling from the physiology aspect, avoids its undue dependence to soil moisture.
An object of the present invention is to disclose a kind of dual drought resisting type water-loss reducer, it is by salicylic acid (SA) and gather 2-acrylamido-2-methyl propane sulfonic acid (PAMPS) and form, and their mass ratio is 0.026～0.084: 1.
Wherein, salicylic acid is 0.084: 1 with gathering 2-acrylamido-preferred mass ratio of 2-methyl propane sulfonic acid.
A kind of preparation method of dual drought resisting type water-loss reducer comprises following steps:
With a certain amount of 2-acrylamido-2-methyl propane sulfonic acid powder swelling 24h in 10mg/L～30mg/L salicylic acid solution that gathers; Take out the back in 60 ℃ of dry 48h; Pulverized 100 mesh sieves and obtain water-loss reducer, promptly mass ratio is 0.026～0.084: 1 salicylic acid and gathers 2-acrylamido-2-methyl propane sulfonic acid powder.
Wherein, preferably will gather 2-acrylamido-2-methyl propane sulfonic acid powder put into the 30mg/L salicylic acid solution prepare mass ratio be 0.084: 1 salicylic acid with gather 2-acrylamido-2-methyl propane sulfonic acid powder.
Wherein, salicylic select for use and solution concentration confirms it is according to the result of experiment screening repeatedly in early stage.If solution concentration is low excessively; Gathering 2-acrylamido-2-methyl propane sulfonic acid, to load salicylic amount just low excessively; The effect of physiology drought resisting is then not obvious; If solution concentration is too high, can produces with growth of seedling seed germination again and suppress, so it is more suitable to screen the salicylic acid concentration that draws 10mg/L～30mg/L through repetition test.
Wherein, the water-loss reducer water absorbent rate of preparation is 1840～2620 times.Water absorbent rate assay method: get above-mentioned PAMPS high-absorbent material 0.5g in beaker, add 2000ml distilled water, filter and leave standstill about 30min with gauze (250 order), weighing gel quality affects, calculating liquid absorbency rate Q=(m-m after leaving standstill 24h
0)/m
0, in the formula: m
0Be xerogel quality before absorbing water, m is through the gel quality affects after the filtered through gauze after the suction.
Wherein, salicylic acid is written in the hole of PAMPS high-absorbent material salicylic quick loss when having avoided rainy on the one hand; On the other hand, when PAMPS discharges moisture, can salicylic acid wherein be slowly released,, improve its drought-resistant ability to promote seed germination or growth of seedlings.
A kind of kind clothing agent that contains dual drought resisting type water-loss reducer comprises water-loss reducer and dressing auxiliary material, and described water-loss reducer content is 1.5%～2.5% of dressing auxiliary material and water-loss reducer gross mass.
Wherein,, increase cost first, second can influence the gas permeability of seed, be unfavorable for the maintenance of seed vitality, but the water-loss reducer consumption is too low, then be difficult to reach the purpose of drought resisting if the water-loss reducer consumption is too high.
Wherein, said dressing auxiliary material comprises talcum powder and bentonite, and its proportioning is 60%～80% talcum powder and 20%～40% bentonite.
Wherein, water-loss reducer content is preferably 2.5% of dressing auxiliary material and water-loss reducer gross mass.
Another object of the present invention provides a kind of preparation method with pelleted seed of dual drought resisting function, comprises the steps:
Granulation: pour the naked kind of certain mass into the dressing machine, the moistening naked kind of spray adhesive surface, adding quality is the kind clothing agent of 3.5%～5.0% naked mass, constantly stirs, it is surperficial to make it to be wrapped in naked kinds, repeats above step 3～5 time, forms little pellets; The agent of kind clothing and the repeat number time that add 20%～50% naked mass then at every turn, during continuous spray adhesive and stirring;
Pelleting: the ball shape seed that the kind clothing agent that repeatedly adds naked mass 20%～50% formed to last step, during continuous spray adhesive and stirring, screen then, polish, paint, drying, obtain the seed that dressing finishes.
Wherein, described adhesive is 0.1%～2% chitosan solution.
Described naked kind is plant seeds such as the vegetables that are fit to Pelleting, flowers, herbage, economic crops; Vegetable seeds such as cauliflower, celery, wild cabbage, rape etc.; Flower seed such as Malus spectabilis, petunia etc.; Grass seed such as alfalfa, Bai Sanye, lyme grass etc., economic crops such as tobacco, sesame etc.
Wherein, said seed is preferably granule and the minimum grain seed that in actual production, needs through the pill processing, and further preferred thousand kernel weight is less than the seed of 5g, and preferred especially thousand kernel weight is at the minimum grain seed of 0.05g～0.5g.
Plant the period of the day from 11 p.m. to 1 a.m when seed is a thousand kernel weight at the minimum grain of 0.05g～0.5g, the kind clothing agent quality that in granulation step, adds adds up to 6～9 times of naked mass, preferred 7.5 times.
Wherein, plant the period of the day from 11 p.m. to 1 a.m when seed is a thousand kernel weight at the minimum grain of 0.05g～0.5g, the kind clothing agent quality that in the Pelleting step, adds adds up to 35～43 times of naked mass, preferred 42 times.
Wherein, the water-loss reducer in described kind of clothing agent is preferably 2.5% of kind of clothing agent quality.
Wherein, when granulation step finished, the particle diameter of minimum grain pelleted seed was 1.00mm～1.25mm, and when the Pelleting step finished, the particle diameter of minimum grain pelleted seed was 1.60mm～1.80mm.
A kind of pelleted seed with dual drought resisting function, the amount of the water-loss reducer that this pelleted seed is contained are 1.5%～2.5% of dressing auxiliary material and water-loss reducer gross mass.
Wherein, Described seed is plant seeds such as the vegetables that are fit to Pelleting, flowers, herbage, economic crops; Vegetable seeds such as cauliflower, celery, wild cabbage, rape etc.; Flower seed such as Malus spectabilis, petunia etc., grass seed such as alfalfa, Bai Sanye, lyme grass etc., economic crops such as tobacco, sesame etc.
Wherein, said seed is preferably granule and the minimum grain seed that in actual production, needs through the pill processing, and further preferred thousand kernel weight is less than the seed of 5g, and preferred especially thousand kernel weight is at the minimum grain seed of 0.05g～0.5g.
Wherein, if adopt tobacco seed to carry out Pelleting, the amount of the water-loss reducer that this pelleted seed is contained is 2.5% of dressing auxiliary material and a water-loss reducer gross mass, and wherein, the salicylic acid in the water-loss reducer is 0.084: 1 with the mass ratio that gathers 2-acrylamido-2-methyl propane sulfonic acid.
The present invention has following advantage with respect to prior art: simple to operation, on the basis that does not change the original Pelleting technological process of seed, simply adjust, and need not the renewal of equipment etc., with low cost.This pelleted seed with dual drought resisting function and common pelleted seed be indifference in appearance, but can significantly improve the drought resisting function of seed.
Embodiment
Provide preferred embodiment of the present invention below, these embodiment and unrestricted content of the present invention.
The seed of tobacco bred " Msk326 " and " the big gold dollar of safflower " is from China Tobacco Seed Yuxi Co., Ltd..Cauliflower seed is available from Hangzhou, Zhejiang province city seeds company, and the Bai Sanye seed is available from Zhejiang Hangzhou grass seed company.Bentonite and talcum powder are from China Tobacco Seed Yuxi Co., Ltd..Shitosan is available from Zhejiang Hangzhou Huadong Medicine Co., Ltd..Dressing machine model is BY300A, available from the new promise instrument and equipment in Shanghai Co., Ltd.
Embodiment 1The preparation that gathers 2-acrylamido-2-methyl propane sulfonic acid powder
N
2Protection adds 100g water, 35g 2-acrylamido-2-methyl propane sulfonic acid, 12g sodium hydroxide, 0.014g potassium peroxydisulfate and 0.105g N at the 500ml round-bottomed flask down successively; N '-methylene-bisacrylamide heat temperature raising reaction 12～24h; Wherein temperature is 50 ℃ of reaction 2～4h, and temperature is 60 ℃ of reaction 2～4h, and temperature is 70 ℃ of reaction 8～16h; 60 ℃ of dry 48h of product pulverized 100 mesh sieves and obtained gathering 2-acrylamido-about 45g of 2-methyl propane sulfonic acid powder.
Embodiment 2The preparation of water-loss reducer
Get 30g and gather 2-acrylamido-2-methyl propane sulfonic acid powder in 2000mL; Concentration is swelling 24h in the 10mg/L salicylic acid solution; Take out the back in 60 ℃ of dry 48h; Pulverized 100 mesh sieves and must load the salicylic 2-of gathering acrylamido-2-methyl propane sulfonic acid powder 30.78g, salicylic acid is 0.026: 1 with the mass ratio that gathers 2-acrylamido-2-methyl propane sulfonic acid.
Embodiment 3Plant the preparation of clothing agent
Water-loss reducer and 68.95g talcum powder and the 29.55g bentonite of getting 1.5g embodiment 2 preparation mix and obtain the agent of 100g kind clothing.
Water-loss reducer accounts for 1.5% of dressing auxiliary material and water-loss reducer gross mass in the present embodiment.
Embodiment 4The preparation of tobacco pelleted seed
2g pours the dressing machine into the big gold dollar seed of tobacco bred safflower.
Granulation: first 0.5% of spraying 1.5ml the moistening the surface of the seed of chitosan solution, constantly stir after adding quality and be the kind clothing agent of embodiment 3 preparations of 0.1g, make it be wrapped in the surface of the seed, repeat above-mentioned steps 3～5 times, make seed form little pellets; The kind clothing agent that 0.4g～1g embodiment 3 prepares is joined in the ball shape seed then, spraying concentration is 1.0% chitosan solution, constantly stirs, and repeats repeatedly, makes the particle diameter of ball shape seed be increased to 1.00mm～1.25mm at every turn;
Pelleting: the kind clothing agent of 0.4g～1g embodiment 3 preparations is joined in the ball shape seed of granulation formation; The chitosan solution of spraying 2%; Constantly stir; Repeat repeatedly, make the particle diameter of the ball shape seed that granulation forms be increased to 1.60mm～1.80mm, screen then, polish, paint, drying obtains the seed that dressing finishes.
Get Msk326 seed 2g simultaneously, the pill operation through same obtains Msk326 pelleted seed finished product.The pelleted seed drying is placed on 4 ℃ of refrigerators and preserves subsequent use.
Embodiment 5The preparation of tobacco pelleted seed
Repeat the flow process of embodiment 2-4, unique different be in embodiment 2, will gather 2-acrylamido-2-methyl propane sulfonic acid powder in 2000mL, imbibition in the 20mg/L salicylic acid solution.
Water-loss reducer accounts for 1.5% of dressing auxiliary material and water-loss reducer gross mass in the present embodiment.
Embodiment 6The preparation of tobacco pelleted seed
Repeat the flow process of embodiment 2-4, unique different be in embodiment 2, will gather 2-acrylamido-2-methyl propane sulfonic acid powder in 2000mL, imbibition in the 30mg/L salicylic acid solution.
Water-loss reducer accounts for 1.5% of dressing auxiliary material and water-loss reducer gross mass in the present embodiment.
Embodiment 7The preparation of tobacco pelleted seed
Repeat the flow process of embodiment 2-4, uniquely different be, in embodiment 3, water-loss reducer and 68.25g talcum powder and the 29.25g bentonite of getting 2.5g embodiment 2 preparations mix and obtain the agent of 100g kind clothing.
Water-loss reducer accounts for 2.5% of dressing auxiliary material and water-loss reducer gross mass in the present embodiment
Embodiment 8The preparation of tobacco pelleted seed
Repeat the flow process of embodiment 5, uniquely different be, in embodiment 3, water-loss reducer and 68.25g talcum powder and the 29.25g bentonite of getting 2.5g embodiment 2 preparations mix and obtain the agent of 100g kind clothing.
Water-loss reducer accounts for 2.5% of dressing auxiliary material and water-loss reducer gross mass in the present embodiment.
Embodiment 9The preparation of tobacco pelleted seed
Repeat the flow process of embodiment 6, uniquely different be, in embodiment 3, water-loss reducer and 68.25g talcum powder and the 29.25g bentonite of getting 2.5g embodiment 2 preparations mix and obtain the agent of 100g kind clothing.
Water-loss reducer accounts for 2.5% of dressing auxiliary material and water-loss reducer gross mass in the present embodiment.
Embodiment 10The germination of tobacco pelleted seed
With embodiment 4-9 gained tobacco pelleted seed, and three control treatment CK
0, CK
1And CK
2Pelleted seed carry out the matrix germination test, matrix is " Fafard " board import seedling medium.CK wherein
0Refer to not add the water-loss reducer of processing by PAMPS and salicylic acid, CK in the kind clothing agent of basis
1Refer to only contain 1.5% PAMPS, CK in the kind clothing agent of basis
2Refer to only contain 2.5% PAMPS in the kind clothing agent of basis, wherein the agent of basis kind clothing only comprises talcum powder and bentonite.CK
0Processing is with after 70g talcum powder and the mixing of 30g bentonite, and the 2g tobacco seed is carried out Pelleting, and the Pelleting process is with embodiment 4, and different is not add other materials in the kind clothing agent of basis; CK
1Processing is with 1.5g PAMPS, and 68.95g talcum powder and 29.55g bentonite carry out Pelleting to the 2g tobacco seed after mixing, and the Pelleting process is with embodiment 4, and different is to have replaced water-loss reducer with PAMPS; CK
2Processing is with 2.5g PAMPS, and 68.25g talcum powder and 29.25g bentonite carry out Pelleting to the 2g tobacco seed after mixing, and the Pelleting process is with embodiment 4, and different is to have replaced water-loss reducer with PAMPS.
In each hole of the vinyl disc that matrix is housed, place a pelleted seed successively.Rainproof control hydroponics is adopted in test, and 20 ℃ of constant temperature growths are adjusted to 40% of its maximum water-holding capacity with water content of substrate and come the simulating drought condition.16d calculates germination rate, germination index (GI) and vitality index (VI).Computing formula: GI=∑ (Gt/Dt), VI=S * GI is in the formula: G
tBe the germinative number of different time, Dt is the germination fate, and ∑ is a summation, and S is the seedling total length.Get the seedling of growth 16d, blot with filter paper with running water flushing back, each handles picked at random 10 strains, measures the length of its root and full stand with ruler; With one thousandth sensibility reciprocal balance weighing seedling fresh weight, seedling is dried 24h down at 80 ℃, measure the seedling dry weight.4 repetitions, 100 seeds of every repetition are established in test.Experimental result is asked for an interview table 1-table 4:
The influence to the big gold dollar seed sprouting of tobacco safflower under the drought stress is handled in the different Pelletings of table 1
*Lowercase represent between different disposal the significance of difference relatively (α=0.05, LSD), down with.
The influence to tobacco Msk326 seed sprouting under the drought stress is handled in the different Pelletings of table 2
The different Pelletings of table 3 are handled the big gold dollar growth of seedling influence of tobacco safflower under the drought stress
The different Pelletings of table 4 are handled tobacco Msk326 growth of seedling influence under the drought stress
The result shows, the pelleted seed with dual drought resisting function of the present invention's preparation and contrast pelleted seed (CK
0) compare, can improve germination rate, germination index and the vitality index (table 1, table 2) of seed under drought stress, wherein the pelleted seed effect of embodiment 9 preparations is the most obvious.The big gold dollar of safflower is pressed pelleted seed germination rate, germination index and vitality index and the contrast (CK of embodiment 9 preparations
0) compare and improve 19.4%, 1.23 and 23.9 respectively, with contrast (CK
2) compare and improve 6.9%, 0.52 and 11.37 (table 1) respectively; Msk326 presses pelleted seed germination rate, germination index and vitality index and the contrast (CK of embodiment 9 preparations
0) compare branch and you can well imagine 14.8%, 0.97 and 20.02, and contrast (CK
2) compare and improve 3.7%, 0.29 and 7.65 (table 2) respectively.Simultaneously; The pelleted seed with dual drought resisting function of the present invention's preparation can also promote tobacco seedling growth and dry-matter accumulation (table 3 under the drought stress; Table 4), the pelleted seed after the processing is compared with contrast, and root length, full stand length, seedling dry weight and fresh weight are improved.Concerning the big gold dollar of safflower, its growth of seedling of pelleted seed and the contrast (CK of embodiment 9 preparations
0) compare, root length, full stand length, seedling fresh weight and dry weight have improved 1.36mm, 1.71mm, 6.59mg and 0.67mg respectively, with contrast (CK
2) compare, root length, full stand length, seedling fresh weight and dry weight have improved 0.51mm, 0.64mm, 3.61mg and 0.33mg (table 3) respectively; Msk326 presses the growth of seedling and the contrast (CK of the pelleted seed of embodiment 9 preparations
0) compare, root length, full stand length, seedling fresh weight and dry weight have improved 1.61mm, 2.75mm, 9.13mg and 0.77mg respectively, with contrast (CK
2) compare, root length, full stand length, seedling fresh weight and dry weight have improved 0.74mm, 0.79mm, 5.43mg and 0.38mg (table 4) respectively.
From form, can find out, the pelleted seed that embodiment 4-9 is prepared with dual drought resisting function, its germination rate, germination index, vitality index, the seedling root is long, full stand is long, and most of data of seedling fresh weight and seedling dry weight all are higher than CK
1Or CK
2, and all be significantly higher than CK
0, explained that its effect is more effective than the drought resisting of simple interpolation high hydroscopic resin really by the water-loss reducer with dual drought resisting function of this patent preparation.Wherein embodiment 9; Just gather 2-acrylamido-2-methyl propane sulfonic acid powder in 2000mL; Concentration is the water-loss reducer that swelling 24h makes in the 30mg/L salicylic acid solution (salicylic acid with gather 2-acrylamido-preferred mass ratio of 2-methyl propane sulfonic acid be 0.084: 1); And when water-loss reducer account for dressing auxiliary material and water-loss reducer gross mass 2.5% the time, effect is especially remarkable.
Embodiment 11Preparation with cauliflower pelleted seed of dual drought resisting function
Pour cauliflower seed 2g into the dressing machine, its thousand kernel weight is 2.8g.
Granulation: first 0.5% of spraying 1.5ml the moistening the surface of the seed of chitosan solution, constantly stir after adding quality and be the kind clothing agent of embodiment 3 preparations of 0.5g, make it be wrapped in the surface of the seed, repeat above-mentioned steps 3～5 times, make seed form little pellets; The kind clothing agent that 2g～5g embodiment 3 prepares is joined in the ball shape seed then, spraying concentration is 1.0% chitosan solution, constantly stirs, and repeats repeatedly, makes the particle diameter of ball shape seed be increased to 2.10mm～2.20mm at every turn;
Pelleting: with 2g～-the kind clothing agent of 5g embodiment 3 preparation joins in the ball shape seed that granulation forms; The chitosan solution of continuous spraying 1.5%; Constantly stir; Repeat repeatedly, make the particle diameter of the ball shape seed that granulation forms be increased to 2.40mm～2.50mm, screen then, polish, paint, drying obtains the seed that dressing finishes.
Embodiment 12Preparation with Bai Sanye pelleted seed of dual drought resisting function
2g pours the dressing machine into the Bai Sanye seed, and its thousand kernel weight is 0.59g.
Granulation: first 0.5% of spraying 1.5ml the moistening the surface of the seed of chitosan solution, constantly stir after adding quality and be the kind clothing agent of embodiment 3 preparations of 0.5g, make it be wrapped in the surface of the seed, repeat above-mentioned steps 3～5 times, make seed form little pellets; The kind clothing agent that 2g～5g embodiment 3 prepares is joined in the ball shape seed then, spraying concentration is 1.0% chitosan solution, constantly stirs, and repeats repeatedly, makes the particle diameter of ball shape seed be increased to 1.30mm～1.50mm at every turn;
Pelleting: the kind clothing agent of 2g～5g embodiment 3 preparations is joined in the ball shape seed of granulation formation; The chitosan solution of spraying 1.5%; Constantly stir; Repeat repeatedly, make the particle diameter of the ball shape seed that granulation forms be increased to 1.70mm～1.80mm, screen then, polish, paint, drying obtains the seed that dressing finishes.
Empirical tests, the pelleted seed of embodiment 11 and embodiment 12 preparations is compared with routine contrast pelleted seed, can significantly improve germination rate, germination index, vitality index and the promotion growth of seedling of seed under drought stress equally.
Through experiment confirm of the present invention, PAMPS can save irrigation water or rainwater as high-absorbent material, when the soil lack of water, water is discharged again, and for seed or seedling water supply, improves seed and seedling drought-resistant ability from physical layer.Simultaneously;, PAMPS also the salicylic acid (SA) of its loading is slowly discharged when discharging moisture; SA regulates material as a kind of plant stress-resistance; Can improve free amino acid in the plant corpus, soluble sugar, free proline and content of soluble protein, can improve seed and seedling drought-resistant ability, avoid it the undue dependence of soil moisture from the physiology aspect.Select for use SA and PAMPS high-absorbent material to combine be to draw according to experiment screening repeatedly.Water-loss reducer principal component PAMPS raw material are cheap, and polymerization is simple and easy, and through different formulations and craft screening, the water-loss reducer water absorbent rate of preparation is 1840～2620 times, apparently higher than common absorbent material (like fulvic acid, Sodium Polyacrylate, carboxymethyl cellulose).
It is thus clear that; Pelleted seed took root, germinates when the pelleted seed that contains the kind clothing agent preparation of water-loss reducer provided by the invention can promote drought stress; Improve seed sprouting exponential sum vitality index; Promote the accumulation of seedling dry matter, reduce the harm of drought stress, for growth of later stage is established basis preferably seed and seedling.
Claims (10)
1. a dual drought resisting type water-loss reducer is characterized in that, its by salicylic acid with gather 2-acrylamido-2-methyl propane sulfonic acid and form, their mass ratio is 0.026～0.084: 1.
2. water-loss reducer as claimed in claim 1 is characterized in that, salicylic acid is 0.084: 1 with gathering 2-acrylamido-preferred mass ratio of 2-methyl propane sulfonic acid.
3. the preparation method of water-loss reducer as claimed in claim 1 comprises following steps:
With a certain amount of 2-acrylamido-2-methyl propane sulfonic acid powder swelling 24h in 10mg/L～30mg/L salicylic acid solution that gathers; Take out the back in 60 ℃ of dry 48h; Pulverized 100 mesh sieves and obtain water-loss reducer, promptly mass ratio is 0.026～0.084: 1 salicylic acid and gathers 2-acrylamido-2-methyl propane sulfonic acid powder.
4. preparation method as claimed in claim 3; It is characterized in that, preferably will gather 2-acrylamido-2-methyl propane sulfonic acid powder put into the 30mg/L salicylic acid solution prepare mass ratio be 0.084: 1 salicylic acid with gather 2-acrylamido-2-methyl propane sulfonic acid powder.
5. a kind clothing agent that contains claim 1 or 2 described water-loss reducers is characterized in that, comprises described water-loss reducer and dressing auxiliary material, and described water-loss reducer content is 1.5%～2.5% of dressing auxiliary material and water-loss reducer gross mass; Said dressing auxiliary material comprises talcum powder and bentonite, and its proportioning is 60%～80% talcum powder and 20%～40% bentonite.
6. as claimed in claim 5 kind of clothing agent is characterized in that water-loss reducer content is preferably 2.5% of dressing auxiliary material and water-loss reducer gross mass.
7. the preparation method with pelleted seed of dual drought resisting function comprises the steps:
Granulation: pour the naked kind of certain mass into the dressing machine, the moistening naked kind of spray adhesive surface, adding quality is described kind of clothing agent of claim 5 of 3.5%～5.0% naked mass; Constantly stir; Make it to be wrapped in naked kind surface, repeat above step 3～5 time, form little pellets; Described kind of clothing agent and the repeat number time that add 20%～50% naked mass then at every turn, during continuous spray adhesive and stirring;
Pelleting: the ball shape seed that the described kind of clothing agent that repeatedly adds naked mass 20%～50% formed to last step, during continuous spray adhesive and stirring, screen then, polish, paint, drying, obtain the seed that dressing finishes;
Described adhesive is 0.1%～2% chitosan solution.
8. preparation method as claimed in claim 7; It is characterized in that; Described naked kind is plant seeds such as the vegetables that are fit to Pelleting, flowers, herbage, economic crops, vegetable seeds such as cauliflower, celery, wild cabbage, rape etc., flower seed such as Malus spectabilis, petunia etc.; Grass seed such as alfalfa, Bai Sanye, lyme grass etc., economic crops such as tobacco, sesame etc.; Said seed is preferably the seed that in actual production, needs through pill processing granule and minimum grain, and further preferred thousand kernel weight is less than the seed of 5g, and preferred especially thousand kernel weight is at the minimum grain seed of 0.05g～0.5g.
9. preparation method as claimed in claim 9 is characterized in that, plants the period of the day from 11 p.m. to 1 a.m when seed is a thousand kernel weight at the minimum grain of 0.05g～0.5g, and the kind clothing agent quality that in granulation step, adds adds up to 6～9 times of naked mass, preferred 7.5 times; The kind clothing agent quality that in the Pelleting step, adds adds up to 35～43 times of naked mass, preferred 42 times; The water-loss reducer of planting in the clothing agent is preferably 2.5% of kind of clothing agent quality; When granulation step finished, the particle diameter of minimum grain pelleted seed was 1.00mm～1.25mm, and when the Pelleting step finished, the particle diameter of minimum grain pelleted seed was 1.60mm～1.80mm.
10. pelleted seed with dual drought resisting function, the claim 1 that this pelleted seed is contained or the amount of 2 described water-loss reducers are 1.5%～2.5% of dressing auxiliary material and water-loss reducer gross mass; Said seed is preferably the seed that in actual production, needs through pill processing granule and minimum grain, and further preferred thousand kernel weight is less than the seed of 5g, and preferred especially thousand kernel weight is at the minimum grain seed of 0.05g～0.5g; If adopt tobacco seed to carry out Pelleting, the amount of described water-loss reducer is 2.5% of dressing auxiliary material and a water-loss reducer gross mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102983865A CN102524257A (en) | 2011-09-30 | 2011-09-30 | Double-drought resistance water-retaining agent, seed coating agent and pelleted seeds, and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102983865A CN102524257A (en) | 2011-09-30 | 2011-09-30 | Double-drought resistance water-retaining agent, seed coating agent and pelleted seeds, and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102524257A true CN102524257A (en) | 2012-07-04 |
Family
ID=46333308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102983865A Pending CN102524257A (en) | 2011-09-30 | 2011-09-30 | Double-drought resistance water-retaining agent, seed coating agent and pelleted seeds, and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102524257A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499241A (en) * | 2011-09-30 | 2012-06-20 | 云南省烟草农业科学研究院 | Water-retaining agent and preparation method thereof |
| CN103299744A (en) * | 2013-05-23 | 2013-09-18 | 北京林业大学 | Seed germination control coating material, coated seed and preparation method thereof |
| CN103477755A (en) * | 2013-09-09 | 2014-01-01 | 徐相中 | Method for wrapping target object by using soil and scattering target object |
| CN105353083A (en) * | 2015-09-28 | 2016-02-24 | 云南省烟草农业科学研究院 | Agroforestry water retaining agent water release performance detection method |
| CN106035336A (en) * | 2016-07-05 | 2016-10-26 | 中国农业科学院油料作物研究所 | Complex hormone and preparation method and application thereof |
| CN108157369A (en) * | 2018-01-18 | 2018-06-15 | 浙江大学 | A kind of cold-resistant counterfeit-proof type seed coat agent and its application |
| CN108377692A (en) * | 2018-04-25 | 2018-08-10 | 兰州大学 | A kind of seed coat agent and capsuled seed |
| CN110622967A (en) * | 2019-10-09 | 2019-12-31 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Seed coating agent for ecological restoration of desertified land, coating method and coated seeds |
| CN110754483A (en) * | 2019-10-29 | 2020-02-07 | 贵州大学 | Pinus massoniana seed coating agent and preparation method and application thereof |
| CN110959337A (en) * | 2019-12-03 | 2020-04-07 | 玉溪中烟种子有限责任公司 | Efficient pelleting method of tobacco seeds |
| CN111357426A (en) * | 2020-04-17 | 2020-07-03 | 中国农业大学 | Salt-tolerant alfalfa meatball seed and preparation method thereof |
| CN111615988A (en) * | 2020-06-29 | 2020-09-04 | 新疆林科院造林治沙研究所 | Mine ground-following aerial-sowing vegetation recovery method based on unmanned aerial vehicle |
| CN112189405A (en) * | 2020-11-10 | 2021-01-08 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Pelleting formula and processing technology of salt-tolerant elytrigia repens seeds |
| CN112244041A (en) * | 2020-10-21 | 2021-01-22 | 山东棉花研究中心 | Sesame salt-resistant seedling-protecting agent and using method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1712422A (en) * | 2005-06-24 | 2005-12-28 | 安徽省农业科学院原子能农业应用研究所 | Agricultural high-hygroscopicity resin |
| CN1751553A (en) * | 2004-09-22 | 2006-03-29 | 上海农业科技种子有限公司 | Pelletized coating agent and coating method for berbage Artemisia sieversiana willd seeds |
| CN102113520A (en) * | 2010-12-01 | 2011-07-06 | 厦门大学 | Warm season type water-saving agent for drought resistance of lawn grasses and preparation method thereof |
-
2011
- 2011-09-30 CN CN2011102983865A patent/CN102524257A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1751553A (en) * | 2004-09-22 | 2006-03-29 | 上海农业科技种子有限公司 | Pelletized coating agent and coating method for berbage Artemisia sieversiana willd seeds |
| CN1712422A (en) * | 2005-06-24 | 2005-12-28 | 安徽省农业科学院原子能农业应用研究所 | Agricultural high-hygroscopicity resin |
| CN102113520A (en) * | 2010-12-01 | 2011-07-06 | 厦门大学 | Warm season type water-saving agent for drought resistance of lawn grasses and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 谢建军 等: "PAMPS高吸水性树脂吸附性能", 《高分子材料科学与工程》 * |
| 贾燕超 等: "外源物质与烟草抗旱研究进展", 《中国农学通报》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499241A (en) * | 2011-09-30 | 2012-06-20 | 云南省烟草农业科学研究院 | Water-retaining agent and preparation method thereof |
| CN103299744A (en) * | 2013-05-23 | 2013-09-18 | 北京林业大学 | Seed germination control coating material, coated seed and preparation method thereof |
| CN103299744B (en) * | 2013-05-23 | 2015-05-20 | 北京林业大学 | Seed germination control coating material, coated seed and preparation method thereof |
| CN103477755A (en) * | 2013-09-09 | 2014-01-01 | 徐相中 | Method for wrapping target object by using soil and scattering target object |
| CN105353083A (en) * | 2015-09-28 | 2016-02-24 | 云南省烟草农业科学研究院 | Agroforestry water retaining agent water release performance detection method |
| CN106035336A (en) * | 2016-07-05 | 2016-10-26 | 中国农业科学院油料作物研究所 | Complex hormone and preparation method and application thereof |
| CN108157369A (en) * | 2018-01-18 | 2018-06-15 | 浙江大学 | A kind of cold-resistant counterfeit-proof type seed coat agent and its application |
| CN108377692A (en) * | 2018-04-25 | 2018-08-10 | 兰州大学 | A kind of seed coat agent and capsuled seed |
| CN110622967A (en) * | 2019-10-09 | 2019-12-31 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Seed coating agent for ecological restoration of desertified land, coating method and coated seeds |
| CN110754483A (en) * | 2019-10-29 | 2020-02-07 | 贵州大学 | Pinus massoniana seed coating agent and preparation method and application thereof |
| CN110959337A (en) * | 2019-12-03 | 2020-04-07 | 玉溪中烟种子有限责任公司 | Efficient pelleting method of tobacco seeds |
| CN111357426A (en) * | 2020-04-17 | 2020-07-03 | 中国农业大学 | Salt-tolerant alfalfa meatball seed and preparation method thereof |
| CN111615988A (en) * | 2020-06-29 | 2020-09-04 | 新疆林科院造林治沙研究所 | Mine ground-following aerial-sowing vegetation recovery method based on unmanned aerial vehicle |
| CN112244041A (en) * | 2020-10-21 | 2021-01-22 | 山东棉花研究中心 | Sesame salt-resistant seedling-protecting agent and using method thereof |
| CN112189405A (en) * | 2020-11-10 | 2021-01-08 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Pelleting formula and processing technology of salt-tolerant elytrigia repens seeds |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102524257A (en) | Double-drought resistance water-retaining agent, seed coating agent and pelleted seeds, and preparation method thereof | |
| AbdAllah et al. | Super absorbent polymers mitigate drought stress in corn (Zea mays L.) grown under rainfed conditions | |
| Montesano et al. | Biodegradable superabsorbent hydrogel increaseswater retention properties of growing media and plant growth | |
| WO2013097279A1 (en) | Soil replacement tray substrate for rice for raising seedlings and method for raising seedlings thereof | |
| CN102617249A (en) | Novel polysaccharide gel water retaining and slow release fertilizer | |
| CN105594529A (en) | Method for reducing content of cadmium in rice | |
| CN101347123B (en) | Use of sodium nitroprusside in crops for preventing drought | |
| Ahmed et al. | Applications of natural polysaccharide polymers to overcome water scarcity on the yield and quality of tomato fruits | |
| CN110521324A (en) | A kind of sweet corn seeds processing method | |
| Sánchez-Orozco et al. | Valorization of superabsorbent polymers from used disposable diapers as soil moisture conditioner | |
| CN102040426A (en) | Slow-release soil moisture preserving microbial enzymes organic compound fertilizer and preparation method thereof | |
| CN101411328B (en) | Seed-dressing agent for pelleted herbaceous plant seeds in falling zone of reservoir area and pelleting technique | |
| CN106565319A (en) | Seasonal drought-relieving and yield-increasing compound agent for double cropping rice and application method thereof | |
| CN105016846B (en) | A kind of sustained release fertilizer efficiency moisturizing fertilizer | |
| CN100398625C (en) | Water-loss reducer of soil and its preparation method | |
| Dahri et al. | Effect of different forms of super absorbent polymers on soil physical & chemical properties in orchard field | |
| CN102499241A (en) | Water-retaining agent and preparation method thereof | |
| CN108377692A (en) | A kind of seed coat agent and capsuled seed | |
| CN102440246B (en) | Dual drought resistant seed coating agent | |
| CN102523786B (en) | Preparation method for novel tobacco seed germination bed | |
| CN104609966A (en) | Synergistic chelated foliar fertilizer | |
| CN105295935A (en) | Applications of etherified corn starch, sand fixation water retention agent, and preparation method of sand fixation water retention agent | |
| Liao et al. | Physiological regulation mechanism of multi-chemicals on water transport and use efficiency in soil-maize system | |
| Đurović et al. | Effects of the application of a hydrogel in different soils | |
| Cabala et al. | Effect of fertilization through geocompisite of nutritional status of Hosta HALCYON plants grown in containers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120704 |