CN103070183B - High-efficiency and low-toxicity composite bird repellent containing thiram and dimethyl phthalate - Google Patents
High-efficiency and low-toxicity composite bird repellent containing thiram and dimethyl phthalate Download PDFInfo
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- CN103070183B CN103070183B CN201310018283.8A CN201310018283A CN103070183B CN 103070183 B CN103070183 B CN 103070183B CN 201310018283 A CN201310018283 A CN 201310018283A CN 103070183 B CN103070183 B CN 103070183B
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Abstract
The invention provides a high-efficiency and low-toxicity composite bird repellent containing thiram and dimethyl phthalate. The composite bird repellent contains active components of thiram and dimethyl phthalate, wherein the mass ratio of the thiram to the dimethyl phthalate is (4: 1)-(1: 20). The composite bird repellent has a very good bird repelling effect; and the thiram and the dimethyl phthalate have an obvious synergistic effect, have no direct bird killing capability and have low toxicity to humans and other mammals, so that the composite bird repellent is long in lasting effect and safe to crops, and can effectively reduce damage of birds to field crops, orchards and the like.
Description
Technical field
The invention belongs to agrochemicals and drive bird field, be specifically related to a kind of efficient, low-toxicity compound bird repellent that contains tmtd and repefral, during being mainly used in repellent planting seed, the bird pest in the field such as crop ripening period, orchard.
Background technology
In the last few years, the dynamics of state guarantee Bird Resource strengthened gradually, and most birds have become lays special stress on protecting animal.But along with being on the increase of birds quantity, birds have brought increasing problem to aspects such as crops productions.Birds start to attack increasing crops, and not only oranges and tangerines, loquat, grape, paddy rice, peanut and other crops are difficult to escape by luck, and even the fruit of bagging also can be subject to the harm such as the proboscis such as azurewinged magpie, crow birds.When crop has just been sowed, birds can be dug food seed, damage to crops sowing, cause emerge uneven; When crop is ripe, the birds crop that can peck at, causes crop failure and Quality Down; Also comprise that in addition the bird phenomenon of hitting while taking off happens occasionally on each large airport, cause tremendous economic loss.
It is to utilize the huge sound or visual effect to make birds get a fright to drive bird that tradition in agricultural production is driven bird means, as beats gongs, blows out, fills scarecrow etc., and these methods, owing to having unicity, waste time and energy, and effect on driving birds is not good.In recent years, expert studies the guard technology based on birdife habit both at home and abroad, mainly for the sense of hearing, vision, the sense of smell of birds, develops a series of bird products that drive, as supersonic wave bird driving device, laser bird dispeller etc.But these instrument prices are comparatively expensive, also there is certain use restriction, be difficult to large-scale promotion application.
In the last few years, agrochemicals bird repellent, with the simplicity of its use and the cheap property of price, was more and more subject to peasant's welcome.But the most of bird repellents of China are high to birds toxicity, what have directly can kill birds, does not meet ecological protection requirement, does not also meet the safeguard measure of country to birds.Therefore exploitation safely, agrochemicals bird repellent is significant efficiently, also can have significant Social benefit and economic benefit.
Repefral (dimethyl phthalate), be called for short DMP, for the micro-yellow oily liquid of water white transparency, that one has very strong solvent plasticizer with various kinds of resin, can mix with multiple celluosic resin, rubber, vinylite, have good film forming, adhesivity and water proofing property.The report using in agricultural is little, also has no the report that is applied to bird repellent.
Tmtd (Thiram), another name thiuram, TMTD, A Ruisheng, belong to organic sulfur series bactericidal agent, is low toxicity protective fungicide, poisonous to fish, nontoxic to honeybee.Various crop downy mildew, epidemic disease, anthracnose, Cereal smut, sprout term disease are had to good control efficiency.Tmtd occupies certain status in seed dressing, and the seed dressing or process soil take tmtd as active ingredient all can well prevent and treat the sprout term disease of greengrocery, tobacco, beans, the crop such as melon.
The domestic agriculture chemical registration that up to the present not yet has bird repellent kind; the agricultural chemicals of similar functions is classified as avicide by agriculture chemical registration administrative department of country; require to have certain distance with fauna and flora protection in abstracto; the kind using once in a while is mainly borrowed in registered mutter pellet, phoxim etc. for insecticide; these agricultural chemicals are to the high poison of birds; there is direct killing effect, do not meet fauna and flora protection requirement.Tmtd is used for driving bird, has in the literature record, uses separately, and common dose effect on driving birds is very poor, though make moderate progress when high dose, but still undesirable, and consumption is uneconomical when large, is also unfavorable for environmental protection.Repefral in agricultural for yet there are no bibliographical information except bird, according to inventor's test, very the repefral of high dose (higher than grain weight 0.4%) just have and drive bird activity less than 50%, and this dosage has a certain impact to emerging.
Summary of the invention
The object of this invention is to provide a kind of efficient, low-toxicity compound bird repellent that contains tmtd and repefral, what caused because birds take food in a large number in repellent field crop, orchard etc. effectively be short of seedling, the harm causing such as impaired of harvest time fruit, grain.
Technical scheme of the present invention is as follows:
A kind of efficient, low-toxicity compound bird repellent that contains tmtd and repefral, it is characterized in that: described composite bird repellent, in its formula, comprise active component tmtd and repefral, wherein the mass ratio of tmtd and repefral is 4:1-1:20.
Described efficient, the low-toxicity compound bird repellent that contain tmtd and repefral, is characterized in that: in the formula of described composite bird repellent, the mass ratio of tmtd and repefral is 2:1-1:10.
Described efficient, the low-toxicity compound bird repellent that contain tmtd and repefral, is characterized in that: in the formula of described composite bird repellent, the mass ratio of tmtd and repefral is 2:1-1:1.
Described efficient, the low-toxicity compound bird repellent that contain tmtd and repefral, is characterized in that: in the formula of described composite bird repellent, the gross mass of tmtd and repefral accounts for the 10-60% of formula total amount, and all the other are auxiliary material.
Described efficient, the low toxicity bird repellent that contain tmtd and repefral, is characterized in that: the formulation of described composite bird repellent is suspension emulsion, water-dispersible granules or wetting powder.
Inventor is by the careful analysis to tmtd and repefral characteristic, the mode of using Crafts and Finney method to combine is carried out experimental scheme and result treatment, and the best in quality proportioning that finishing screen is selected tmtd and repefral is 2:1-1:1.
Using method:
No matter this composite bird repellent is suspension emulsion, wetting powder or water-dispersible granules, is undertaken sowing after seed treatment by the 0.2-0.3% of seed consumption, and bird is all had to good repellent effect.
Above-mentioned composite bird repellent uses flexibly, both can be used for seed treatment protection and has emerged, and sprayable use is for reducing the bird pest of the harvested products such as maturing stage fruit, grain again; Both can conventional spraying, atomizing, also can dilute the machineries such as the hot mist machine of rear use, aircraft and carry out dispenser, reduce bird pest.
Beneficial effect of the present invention:
Composite bird repellent of the present invention compared with prior art, has following advantage: (1) has found the characteristic of repefral as bird repellent, has expanded the scope of application of repefral.(2) compared with tmtd single dose, this built agent has good repellent action to birds, has notable synergistic effect between two medicaments, thereby significantly reduces dosage, reaches the object of safety, economy, environmental protection.(3) this composite bird repellent does not have direct killing to birds, birds is not caused to murder by poisoning; Low to the mankind and other mammalian toxicity; To crop safety.(4) this composite bird repellent lasting period is long.(5) this composite bird repellent can reduce the harm of birds to field crop, orchard etc. effectively; Be conducive to emerge for seed treatment.(6) expanded the purposes of low toxicity bactericide tmtd.
Embodiment
One, reagent agent: the former medicine of tmtd; Repefral
Two, active component mass ratio in composite bird repellent formula of the present invention
Formula one: tmtd: repefral=4:1
Formula two: tmtd: repefral=2:1
Formula three: tmtd: repefral=1:1
Formula four: tmtd: repefral=1:2
Formula five: tmtd: repefral=1:3
Formula six: tmtd: repefral=1:4
Formula seven: tmtd: repefral=1:5
Formula eight: tmtd: repefral=1:10
Formula nine: tmtd: repefral=1:20
Three, for examination birds: sparrow, formal name used at school Passer montanus, measures with outdoor natural population.
Four, assay method:
The method that adopts indoor bioassay and field control effectiveness test to combine.
First show that by indoor bioassay the built agent of different proportionings is to the co-toxicity coefficient of sparrow, then by clear and definite its repellent effect of field control effectiveness test, determine formula and the optimum amount of built agent.
Indoor bioassay: tmtd and repefral are respectively with certain amount (milligram; mg) with quantitatively (kilogram; kg) wheat mixes; wheat after handling well is packed into a certain amount of with the culture dish of diameter 12cm, throw in the place that often takes food sparrow, a wheat consumption of every 6 hours statistics; as too much in wheat consumption in this process; should supplement at any time, with blank consumption correction calculation repellent effect, drug concentration setting is carried out with Geometric Sequence.In above two single dose repellents, amount is (hereinafter to be referred as LD
50) determine after, the different proportionings of two medicaments and concentration are set again, and wherein different proportionings are undertaken by Crafts method, the ratio method setting such as press containing concentration, find different formulations with this different from the relation between pharmaceutical quantities and repellent effect, and press Crafts method and calculate synergy index C; Verified by Finney method simultaneously.
Carry out indoor virulence test take sparrow as repellent object.Tmtd virulence active line is y=5.287554+1.207544x, and repefral virulence active line is y=4.887605+0.695651x, and in the repellent of the two, amount is respectively 0.5779,1.4507 mg/kg, and the synergy index C of various combination is in table 1.
The Crafts method measurement result of table 1 tmtd and the different proportionings of repefral
* note: wheat is Crafts amount containing pharmaceutical quantities
As can be seen from Table 1, tmtd is obviously different to the repellent effect of sparrow from repefral different proportion mixture, in 4:1 arrives the scope of 1:20, Crafts method C value is all greater than coefficient of determination 1, all show synergistic effect, wherein, tmtd: repefral synergistic effect in 2:1 arrives the scope of 1:10 is remarkable, in the time of 2:1, synergistic effect is the strongest, C value reaches 1.48, and accordingly, we do further to measure to the proportioning of 2:1, adopt Finney method, it the results are shown in table 2.
Table 2 tmtd and DMP press 2:1 and the repellent effect of sparrow are measured when composite
Table 2 shows, Finney method measurement result is consistent with Crafts method measurement result, further illustrates tmtd and repefral in the good repellent sparrow of the composite energy of the ratio of 2:1, and its Finney coefficient of synergism is 2.9891, be greater than coefficient of determination 2.7, synergistic effect is remarkable.
Field effect
Having the formula of synergistic effect to make suspension emulsion (SE), wetting powder (WP), water-dispersible granules (WDG) indoor bioassay gained tests.The wheat seed of processing is sowed to field, directly calculates repellent effect with the number of emerging.And definite applicable dosage.
Embodiment
For description effect, take the composite bird repellent of the active component mass ratio different dosage form that method is made into routinely in above-mentioned formula two as object lesson, be illustrated, but do not limit so below.
Embodiment mono-40% suspension emulsion
Get tmtd 26.67g, 13.33 grams of repefrals, 5 grams of sodium lignin sulfonates, 2.5 grams of calcium lignosulfonates, 5 grams of fatty alcohol-polyoxyethylene ether, 3 grams of castor oil polyoxyethylene ethers, 0.15 gram of xanthans, 10 grams, urea, 3 grams of octanols, water is mended 100 grams, after evenly mixing, drop into sand mill, be ground to 5 microns of particle diameters, make suspension emulsion, be used for measuring effect on driving birds, the results are shown in table 3.
Embodiment 2 40% wetting powders
Get tmtd 26.67g, 13.33 grams of repefrals, Morwet D-425(Huntsman company) 6 grams, 2.5 grams of Negel formaldehyde condensation products, 5 grams, ammonium sulfate, kaolin is mended to 100 grams.After repefral first adsorbs with kaolin, more evenly mix with other materials, mixture is pulverized through airslide disintegrating mill, makes wetting powder, for measuring effect on driving birds, the results are shown in table 3.
Embodiment 3 40% water-dispersible granules
Get tmtd 26.67g, 13.33 grams of repefrals, 5 grams of methyl fatty acid amide benzene sulfonic acid sodium salts, 5 grams of sodium methylene bis-naphthalene sulfonates, 5 grams, sodium carbonate, White Carbon black 25,10 grams of sodium lignin sulfonates, diatomite is mended to 100 grams.First repefral is adsorbed by White Carbon black, then after being mixed together evenly with tmtd, methyl fatty acid amide benzene sulfonic acid sodium salt, sodium methylene bis-naphthalene sulfonate, sodium carbonate, diatomite, be crushed to 5 microns of particle diameters through airslide disintegrating mill, obtain female powder, female powder is fully mixed to rear granulation, dries, sieves with sodium lignin sulfonate, thereby make water-dispersible granules, for measuring effect on driving birds, the results are shown in table 3.
Above-mentioned preparation press wheat seed amount 0.1,0.2,0.3% dosage, after water dilution by grain weight 10%, evenly spraying is on seed, after drying, be sowed at field in normal the last week in sowing time with machinery, wherein a part is no more than the black nylon fine-structure mesh of 2 centimetres with mesh and does artificial anti-bird processing.Contrast medicament 40% tmtd can wet-milling (commercial) and 50% repefral missible oil (with 2201 and the solvent xylene allotment of total amount 10%) press grain weight 0.4%, and blank is done above-mentioned same artificial anti-bird and not anti-bird processing, three weeks each processing 5 points, every 1 meter of sampling after processing, investigate the number of emerging, and calculate effect on driving birds.Test arrangement is in the more wheat paddock of bank, Huaihe River birds, and An great district duo-trio test carries out.This region crops birds of mainly causing harm have sparrow, starling (Acridotheres cristatellus), ringdove (Streptopelia turtur) and migrate the Wheat-Verdin (Emberiza aureola) etc. of short time harm, and the overall repellent effect of birds be the results are shown in to table 3.
The field effect on driving birds of the different chemicals treatment of table 3
As known from Table 3, tmtd and repefral built agent have good repellent effect to birds, more much better than single dose tmtd and repefral effect, and built agent consumption only needs the latter's half; Built agent can promote to emerge simultaneously, overcome in repefral use procedure the detrimental effect of emerging, for example, alone repefral during without bird pest every meter of seedling number be 147, and built agent and tmtd every meter of seedling number is all higher than 158 of blank during without bird pest, built agent and tmtd are to the facilitation place same level of emerging.
Claims (5)
1. a composite bird repellent that contains tmtd and repefral, it is characterized in that: described composite bird repellent, in its formula, comprise active component tmtd and repefral, wherein the mass ratio of tmtd and repefral is 4:1-1:20.
2. the composite bird repellent that contains tmtd and repefral according to claim 1, is characterized in that: in the formula of described bird repellent, the mass ratio of tmtd and repefral is 2:1-1:10.
3. the composite bird repellent that contains tmtd and repefral according to claim 1, is characterized in that: in the formula of described bird repellent, the mass ratio of tmtd and repefral is 2:1-1:1.
4. the composite bird repellent that contains tmtd and repefral according to claim 1, is characterized in that: in the formula of described bird repellent, the gross mass of tmtd and repefral accounts for the 10-60% of bird repellent total amount, all the other are auxiliary material.
5. the composite bird repellent that contains tmtd and repefral according to claim 1, is characterized in that: the formulation of described bird repellent is suspension emulsion, water-dispersible granules or wetting powder.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104222119A (en) * | 2014-08-23 | 2014-12-24 | 杨超 | Rubber accelerant TMTD and synergist DMP compounded low-toxin and efficient mouse and bird repellent |
| CN104855447A (en) * | 2015-06-17 | 2015-08-26 | 郭广杰 | Natural bird repellent composition and preparation method thereof |
| CN106234406A (en) * | 2016-08-05 | 2016-12-21 | 乔亮 | One lures Columba livia agent and preparation method thereof |
| CN109892333A (en) * | 2017-12-08 | 2019-06-18 | 宁波三江益农化学有限公司 | Application, bird repellent agent prescription and dosage form of the zinc dibutyl dithiocarbamate as bird repellent |
| CN110810418A (en) * | 2018-08-08 | 2020-02-21 | 宁波三江益农化学有限公司 | Bird repellent containing dipentamethylenethiuram tetrasulfide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069624A (en) * | 1992-08-01 | 1993-03-10 | 江苏省农业科学院 | A kind of multipurpose composite fungus killing agent |
| WO2006069714A1 (en) * | 2004-12-23 | 2006-07-06 | Basf Aktiengesellschaft | Fungicidal mixtures |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069624A (en) * | 1992-08-01 | 1993-03-10 | 江苏省农业科学院 | A kind of multipurpose composite fungus killing agent |
| WO2006069714A1 (en) * | 2004-12-23 | 2006-07-06 | Basf Aktiengesellschaft | Fungicidal mixtures |
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