CN105248440A - Weeding composition used for direct-seeding rice fields - Google Patents
Weeding composition used for direct-seeding rice fields Download PDFInfo
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Abstract
The invention discloses a weeding composition used for direct-seeding rice fields. The weeding composition comprises pyrazosulfuron ethyl, oxadiazon, pendimetalin and a synergist according to a mass ratio of 1-20:5-25:5-45:1-5. The weeding composition used for direct-seeding rice fields has synergistic effects, is mainly used in spray about 10d after direct-seeding rice field transplantation, can prevent and kill abundant barnyard grass, Chinese sprangletop and other gramineous weeds in the direct-seeding rice fields, and also can prevent and kill Rotala indica, Monochoria vaginalis, Euphorbia helioscopia and other broadleaf weeds, and Eleocharis parvula, Cyperus difformis L. and other cyperaceous weeds. The weeding composition has the characteristics of high weeding activity, wide weed control spectrum and convenient use, is safe to rice, and is a environmentally-friendly herbicide.
Description
Technical field
The invention belongs to pesticide herbicide technical field, particularly the Herbicidal combinations for preventing and kill off rice direct-seeding field weed of pyrazosulfuron, Evil humulone and pendimethalin composition.
Background technology
Paddy rice is one of staple food crop of China, and rice is the staple food of the whole nation about 60% population, and its sowing area accounts for 18.5% of the total sowing area in the whole nation, and rice yield accounts for 39.23% of total grain output, the impact that therefore the increase and decrease tool of the output of paddy rice is very important.But all the time, all kinds of weeds have impact on the output of paddy rice, according to investigations, its Rice Yield Loss Caused of the field of weed encroachment generally at 10-20%, serious loss 40-50%.In recent years, the planting patterns direct seading rice of a kind of saving of labor, water saving rises rapidly, its management of weeds more seems and is even more important, wherein affect more greatly and more difficult anti-be the grassy weed such as barnyard grass, moleplant seed, be secondly the broad leaved weeds such as Monochoria vaginalis, mexicana, potamogeton grass.Herbicide for paddy field development is more delayed, and kind is few, and the wider of application is bensulfuron-methyl, Acetochlor, methoxone etc., but due to these service life of the products longer, weeds create drug resistance, and they are unsatisfactory to the effect of barnyard grass, moleplant seed.
The chemical name of pyrazosulfuron is 5-(4,6-dimethoxypyridin base-2-carbamoylamino sulphur-1-methylpyrazole-4-carboxylic acid (ethyl ester), belong to sulfonylurea herbicide, for selectivity inner-adsorption conduction-type herbicide, absorbed mainly through root system, shift rapidly in weeds plant body, Developing restraint, weeds are dead gradually.Paddy rice can decompose this medicament, does not almost affect paddy growth, and efficacy stability, safety is high, the lasting period is long, reaches 25-35 days.
The chemical name of Evil humulone is the 5-tert-butyl group-3-(the chloro-5-o-phenyl-isopropyl of 2,4-bis-)-1,3,4-oxadiazoline-2-ketone, for preventing and kill off multiple annual unifacial leaf and broadleaf weed, be mainly used in paddy field weed-killer, also effective to the peanut, cotton, sugarcane etc. of dry land; Before contact bud, post-emergence herbicide.Make soil treatment, floods and droughts field uses.Absorb mainly through weeds young shoot and cauline leaf and work, can good removing activity be played under the condition having light.Particularly responsive to budding period weeds, when weeds one germinate, the growth of bud scale is just suppressed, and its tissue rots rapidly, and weeds are dead; Along with weeds growth drug effect declines, substantially invalid to the weeds grown up.Barnyard grass, moleplant seed, ditch millet, difformed galingale herb, Monochoria vaginalis, mexicana, globe daisy alkali grass, Sagittaria pygmaea etc. are prevented and kill off for rice field.
The chemical name of pendimethalin is N-(1-ethyl propyl)-2,6-dinitro-3,4-dimethylaniline, it is a kind of outstanding dry crop selective herbicide, can be widely used in the various crop field weedings such as corn, soybean, peanut, cotton, direct-seeding dry rice, potato, tobacco, vegetables.Pendimethalin is upland field soil process weed killer herbicide before selectivity bud, after bud.Weeds absorb medicament by the young shoot sprouted, and enter the medicament in plant corpus and tubulin binding, suppress the mitosis of plant cell, thus cause weeds dead.
Summary of the invention
The object of the invention is just to be to provide a kind of synergistic effect significantly, the Herbicidal combinations for rice direct seeding field of broad weed-killing spectrum.
Of the present inventionly following scheme is taked to realize:
For a Herbicidal combinations for rice direct seeding field, this Herbicidal combinations comprises pyrazosulfuron, Evil humulone, pendimethalin and synergist, and the mass ratio of described pyrazosulfuron, Evil humulone, pendimethalin and synergist is 1 ~ 20: 5 ~ 25: 5 ~ 45: 1 ~ 5.
Further, the mass ratio of described pyrazosulfuron, Evil humulone, pendimethalin and synergist is 5 ~ 20: 10 ~ 16: 8 ~ 30: 1 ~ 5.
Further, described synergist is organosilicon, cyclohexanedione or pyrrolidones.
Further, described Herbicidal combinations also contains agriculturally acceptable surfactant and carrier.
Further, the formulation of described Herbicidal combinations is wetting powder, suspending agent or microemulsion.
In Herbicidal combinations of the present invention, active component is pyrazosulfuron, Evil humulone, pendimethalin and synergist; its consumption to depend on when being used alone respective amount of application and three's portfolio ratio and synergy degree; the mass ratio of special protection of the present invention pyrazosulfuron, Evil humulone, pendimethalin and synergist is 1 ~ 20: 5 ~ 25: 5 ~ 45: 1 ~ 5, and best proportioning is 3:21:36:3.
Organosilicon refers to containing Si-O key, and has at least an organic group to be the compound be directly connected with silicon atom.Organosilicon has unique structure: C-H is nonpolarity, makes intermolecular interaction very faint; Si-O bond distance is longer, and Si-O-Si key bond angle is large; Si-O key is the covalent bond (covalent bond has directionality, and ionic bond is non-directional) with 50% ionic bond feature.Due to the structure of organosilicon uniqueness, have both the performance of inorganic material and organic material, have that surface tension is low, viscosity-temperature coefficient is little, agricultural chemicals can be impelled to soak rapidly, penetrate into the surface of plant, make the effect of agricultural chemicals perform to maximum effectiveness, and extend the action time of medicament.
Cyclohexanedione, pyrrolidones and silicone based like being all act on the synergist on weed killer herbicide, obviously can improve wetting, the spread of pyrazosulfuron, Evil humulone and pendimethalin, dispersion, delay and permeance property, reduce spray liquor (air-flow) drift with the wind, prevent or alleviate the infringement to contiguous sensitive crop etc., be beneficial to liquid blade face sprawl and stick, reduce ultraviolet to pesticidal preparations in the decomposition of active ingredient, reach and extend the drug effect term of validity, improve its biologically active; And system or the anti-poisoning effect of the reduction removing toxic substances of target weeds to pesticide activity, delay the accretion rate of medicament in controlling object, thus increase biological preventive effect.
Herbicidal combinations of the present invention, can add agriculturally acceptable surfactant and carrier, be made into wetting powder, suspending agent or microemulsion etc.Wherein surfactant is alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, phenethyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy polyethenoxy ether, castor oil ethylene oxide adduct, alkylphenol polyoxyethylene formaldehyde condensation products, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy ether phosphate, Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene carboxylate, calcium dodecyl benzene sulfonate, neopelex, lignosulfonates, NNO, NO, MF, ZS-1, lauryl sodium sulfate, pull open powder, N-Methyl fatty acyl taurines sodium, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, the withered powder of tea, saponin, lignosulfite, aliphatic alcohol sulfate, penetrant t, bleeding agent OT, JFC, fatty acid amide-N-N-methyltaurine sodium salt, sodium sulfate of polyethenoxy ether of fatty alcohol, pull open powder etc.
Carrier is divided into solid carrier and solvent, and solid carrier has bentonite, White Carbon black, kaolin, precipitated calcium carbonate, sodium sulphate, ammonium sulfate, diatomite, starch, potter's clay etc.; Solvent has toluene, dimethylbenzene, chlorobenzene, solvent naphtha, α-methyl naphthalene, turpentine oil, carrene, chloroform, methyl alcohol, ethanol, glycerine, ethylene glycol, butanols, isoamyl alcohol, propane diols, cyclohexanone, isophorone, acetophenone, ethyl acetate, propyl acetate, butyl acetate, DMF, DMSO, cellosolve etc., above-mentionedly to can be used alone, also can more than two kinds compound uses.
Various auxiliary agent or carrier all can commercially have been bought above.
The Herbicidal combinations of rice direct seeding field of the present invention has addition or synergistic effect, within after being mainly used in rice direct seeding field transfer about 10 days, spray, prevent and kill off the grassy weeds such as rice direct seeding field barnyard grass prevailing, moleplant seed, broad leaved weed and the sedge weeds such as needle spikesedge herb, difformed galingale herb such as other mexicana anti-of also holding concurrently, duck tongue, wartwort grass.Have that activity of weeding is high, broad weed-killing spectrum, feature easy to use, and to rice safety, belong to environmentally friendly weed killer herbicide.
Embodiment
The present invention is further illustrated below with the specific embodiment of several different dosage form.But the present invention is only limitted to absolutely not these examples.In all formulas, percentage is parts by weight.
One, form formula example:
Embodiment 1,70% wetting powder:
Pyrazosulfuron 15%
Evil humulone 25%
Pendimethalin 30%
Organosilicon 1.5%
Sodium lignin sulfonate 1%
Lauryl sodium sulfate 1%
Kaolin polishing is to 100%.
Embodiment 2,60% wetting powder:
Pyrazosulfuron 10%
Evil humulone 20%
Pendimethalin 30%
Organosilicon 3%
Di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate 2%
Alkylbenzenesulfonate 1%
Kaolin polishing is to 100%.
Embodiment 3,56% wetting powder:
Pyrazosulfuron 1%
Evil humulone 10%
Pendimethalin 45%
Cyclohexanedione 2%
Sodium lignin sulfonate 1.5%
Lauryl sodium sulfate 2%
Gently change polishing to 100%.
Embodiment 4,23% suspending agent
Pyrazosulfuron 10%
Evil humulone 8%
Pendimethalin 5%
Pyrrolidones 1.5%
Polyoxyethylene nonylphenol ether 1%
Lauryl sodium sulfate 1%
Water polishing is to 100%.
Embodiment 5,31% suspending agent
Pyrazosulfuron 5%
Evil humulone 16%
Pendimethalin 10%
Organosilicon 4%
Di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate 2%
Alkylbenzenesulfonate 1%
Water polishing is to 100%.
Embodiment 6,33% microemulsion
Pyrazosulfuron 20%
Evil humulone 5%
Pendimethalin 8%
Organosilicon 1%
Agriculture breast 400#17%
Methyl alcohol 6%
Water polishing is to 100%.
Embodiment 7,35% microemulsion
Pyrazosulfuron 15%
Evil humulone 8%
Pendimethalin 12%
Organosilicon 4%
Agriculture breast 500#15%
Ethanol 6%
Water polishing is to 100%.
Two, indoor biological determination of activity:
Below by way of pyrazosulfuron, Evil humulone, pendimethalin and enhancer composition weed killer herbicide, the reasonability of formula is verified to the determination of activity of paddy field weed indoor biological.
In the present composition; pyrazosulfuron (97% former medicine) is produced by Jiangsu Rui Bang agricultural chemicals Co., Ltd; Evil humulone (97% former medicine) is produced by Anhui Kelihua Chemical Co., Ltd.; pendimethalin (97% former medicine) Zhejiang Xinnong Chemical Co., Ltd, synergist organosilicon etc. is all produced by Shanghai Hui Jin Chemical trade Co., Ltd.
Test method adopts greenhouse pot culture method, quantitative weeds (strain of every basin 40) and rice paddy seed is sowed in basin, when growing to the 2-4 leaf phase after weeds are unearthed, cauline leaf spraying process is carried out with sprayer, be placed on after processing latter 6 hours in greenhouse to continue to cultivate and observe, the preventive effect of 15 days " Invest, Then Investigate "s to weeds and the safety to paddy rice.Investigation method adopts absolute value investigation method, first investigate the fresh weight of the remaining weeds of every basin, then by the fresh weight preventive effect that following formulae discovery respectively processes: E1=(C-T)/C × 100%, in formula, E1 is fresh weight preventive effect, C is contrast weeds fresh weight, and T is process weeds fresh weight.Then with Colby method, co-toxicity effect to weeds is detected to weeds activity, by Colby method, work as E
0-E>10% is synergistic effect; Work as E
0-E<-10% is antagonism; As-10%≤E
0-E≤10% is addition; Wherein E
0=XYZ/100
2, the weeds survival rate of A when X represents that consumption is P; The weeds survival rate of B when Y represents that consumption is Q; The weeds survival rate of C when Z represents that consumption is W; E
0the theoretical weeds survival rate of A+B+C when representing that consumption is (P+Q+W); E represents the actual weeds survival rate of each process.
Wherein the composite synergy test data to the grassy weed such as moleplant seed, barnyard grass of pyrazosulfuron, Evil humulone, pendimethalin and synergist as
following table 1shown in:
table 1: herbicidal composition is to the co-toxicity effect (spray-on process) of grassy weed
By above-mentioned test
table 1known, the composite rear herbicidal spectrum of pyrazosulfuron, Evil humulone, pendimethalin can be complementary, and Ternary is addition or synergistic effect to the synergy of moleplant seed, barnyard grass.But after adding synergist, the E0-E>10% of complex preparation is all synergistic effect, the herbicidal effect so the synergist in the present invention is significantly increased.
Three, test examples:
1, trial crops and object: supplying to study thing is live water in field rice, and subjects is based on the annual gramineous weed of barnyard grass, moleplant seed etc., nutgrass flatsedge and part broadleaved herb.
Test medicine: embodiment 2 Chinese medicine: 60% wetting powder (pyrazosulfuron 10%, Evil humulone 20%, pendimethalin 30%, organosilicon 3%) (our company's production);
Contrast medicament: 20% pyrazosulfuron water-dispersible granules (by Jiangsu Rui Bang agricultural chemicals Co., Ltd)
26% Evil humulone emulsifiable concentrate (being produced by Anhui Kelihua Chemical Co., Ltd.)
40% pendimethalin suspension (by Zhejiang Xinnong Chemical Co., Ltd)
Spraying time and method: so test dispenser on the 10th (dispenser drained water in field before two days) in 2013 05 month, existing 12 days of rice transplanting at that time, barnyard grass, moleplant seed 2 ~ 4 leaf one heart stage, every mu of preparating liquid 45KG sprays routinely, rainfall is had no in 6 hours, paddy field normal irrigation after 1 day after dispenser.
Control time and number of times: investigation weeds radix before dispenser, observe treatment region rice shoot leaf color, upgrowth situation, if any exception and detailed record in after dispenser 3,5 days.After dispenser, strain preventive effect and weeds overground part fresh weight are investigated respectively in 7 days (on 05 17th, 2013), 10 days (on 05 20th, 2013).
Investigation method: adopt 5 point samplings, each community Stochastic choice investigates 5 points, often some area 0.25m
2, the strain number of two kinds of main weeds and total weeds is investigated in dispenser respectively after 7 days, investigate strain number and the overground part fresh weight of all kinds of weeds and total weeds after 10 days simultaneously, calculates decline rate and anti-efficiency, its concrete data according to formula below
as table 2shown in.
In above formula, CK represents that clear water contrasts.
table 2: prevent and kill off direct seading rice field weed to total Weed-control effect
table
Interpretation of result: 60% wettable powder of the present invention prevents and kill off the preventive effect of direct seading rice field to total weeds, medication is after 10 days, and average decline rate is up to 92.61%, and on average the rate of preventing and kill off is 96.98%.And the average decline rate of 26% Evil humulone emulsifiable concentrate and 33% pendimethalin missible oil is only 72.87% and 69.92%, both on average the rate of preventing and kill off be respectively 87.00%, 85.69%, and the average decline rate of 20% pyrazosulfuron water-dispersible granules is only 11.5%, on average prevent and kill off rate 55.34%.60% wettable powder of the present invention is described to the control efficiency of direct seading rice field weed apparently higher than pyrazosulfuron, Evil humulone, pendimethalin single dose effect, therefore there is good popularizing application prospect.
2, trial crops and object: supplying to study thing is live water in field rice, and subjects is based on the annual gramineous weed of barnyard grass, moleplant seed etc., nutgrass flatsedge and part broadleaved herb.
Test medicine: embodiment 5 Chinese medicine: 31% suspending agent (pyrazosulfuron 5%, Evil humulone 16%, pendimethalin 10%, organosilicon 4%) (our company's production);
Contrast medicament: 20% pyrazosulfuron water-dispersible granules (by Jiangsu Rui Bang agricultural chemicals Co., Ltd)
26% Evil humulone emulsifiable concentrate (being produced by Anhui Kelihua Chemical Co., Ltd.)
40% pendimethalin suspension (by Zhejiang Xinnong Chemical Co., Ltd)
Spraying time and method: so test dispenser on the 10th (dispenser drained water in field before two days) in 2013 05 month, existing 12 days of rice transplanting at that time, barnyard grass, moleplant seed 2 ~ 4 leaf one heart stage, every mu of preparating liquid 45KG sprays routinely, rainfall is had no in 6 hours, paddy field normal irrigation after 1 day after dispenser.
Control time and number of times: investigation weeds radix before dispenser, observe treatment region rice shoot leaf color, upgrowth situation, if any exception and detailed record in after dispenser 3,5 days.After dispenser, strain preventive effect and weeds overground part fresh weight are investigated respectively in 7 days (on 05 17th, 2013), 10 days (on 05 20th, 2013).
Investigation method: adopt 5 point samplings, each community Stochastic choice investigates 5 points, often some area 0.25m
2, the strain number of two kinds of main weeds and total weeds is investigated in dispenser respectively after 7 days, investigate strain number and the overground part fresh weight of all kinds of weeds and total weeds after 10 days simultaneously, calculates decline rate and anti-efficiency.Specifically
as table 3shown in.
Drug effect computational methods are as follows:
In above formula, CK represents that clear water contrasts.
table 3: prevent and kill off direct seading rice field weed to total Weed-control effect
table
Interpretation of result: the preventive effect of direct seading rice field to total weeds prevented and kill off by 31% suspending agent, medication after 10 days preventive effect the highest, average decline rate is up to 93.19%, and on average the rate of preventing and kill off is 96.79%.The average decline rate of 26% Evil humulone emulsifiable concentrate and 33% pendimethalin missible oil is only 71.56% and 70.3%, both on average the rate of preventing and kill off be respectively 85.26%, 84.54%, and the average decline rate of 20% pyrazosulfuron water-dispersible granules is only 0.92%, on average prevent and kill off rate 45.19%.331% suspending agent is described to the control efficiency of direct seading rice field weed apparently higher than pyrazosulfuron, Evil humulone, pendimethalin single dose effect, therefore there is good popularizing application prospect.
3, trial crops and object: supplying to study thing is live water in field rice, and subjects is based on the annual gramineous weed of barnyard grass, moleplant seed etc., nutgrass flatsedge and part broadleaved herb.
Test medicine: embodiment 7 Chinese medicine: 35% microemulsion (pyrazosulfuron 15%, Evil humulone 8%, pendimethalin 12%, organosilicon 4%) (our company's production);
Contrast medicament: 20% pyrazosulfuron water-dispersible granules (by Jiangsu Rui Bang agricultural chemicals Co., Ltd)
26% Evil humulone emulsifiable concentrate (being produced by Anhui Kelihua Chemical Co., Ltd.)
40% pendimethalin suspension (by Zhejiang Xinnong Chemical Co., Ltd)
Spraying time and method: so test dispenser on the 10th (dispenser drained water in field before two days) in 2013 05 month, existing 12 days of rice transplanting at that time, barnyard grass, moleplant seed 2 ~ 4 leaf one heart stage, every mu of preparating liquid 45KG sprays routinely, rainfall is had no in 6 hours, paddy field normal irrigation after 1 day after dispenser.
Control time and number of times: investigation weeds radix before dispenser, observe treatment region rice shoot leaf color, upgrowth situation, if any exception and detailed record in after dispenser 3,5 days.After dispenser, strain preventive effect and weeds overground part fresh weight are investigated respectively in 7 days (on 05 17th, 2013), 10 days (on 05 20th, 2013).
Investigation method: adopt 5 point samplings, each community Stochastic choice investigates 5 points, often some area 0.25m
2, the strain number of two kinds of main weeds and total weeds is investigated in dispenser respectively after 7 days, investigate strain number and the overground part fresh weight of all kinds of weeds and total weeds after 10 days simultaneously, calculates decline rate and anti-efficiency, specifically
as table 4shown in.
Drug effect computational methods are as follows:
In above formula, CK represents that clear water contrasts.
table 4: prevent and kill off direct seading rice field weed to total Weed-control effect
table
Interpretation of result: the preventive effect of direct seading rice field to total weeds prevented and kill off by 35% microemulsion, medication after 10 days preventive effect the highest, average decline rate is up to 94.57%, and on average the rate of preventing and kill off is 97.24%.The average decline rate of 26% Evil humulone emulsifiable concentrate and 33% pendimethalin missible oil is only 72.87% and 71.62%, both on average the rate of preventing and kill off be respectively 84.24%, 83.00%, and the average decline rate of 20% pyrazosulfuron water-dispersible granules is only 6.38%, on average prevent and kill off rate 44.61%.35% microemulsion is described to the control efficiency of direct seading rice field weed apparently higher than pyrazosulfuron, Evil humulone, pendimethalin single dose effect, therefore there is good popularizing application prospect.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (5)
1. the Herbicidal combinations for rice direct seeding field, it is characterized in that: this Herbicidal combinations comprises pyrazosulfuron, Evil humulone, pendimethalin and synergist, the mass ratio of described pyrazosulfuron, Evil humulone, pendimethalin and synergist is 1 ~ 20: 5 ~ 25: 5 ~ 45: 1 ~ 5.
2. a kind of Herbicidal combinations for rice direct seeding field according to claim 1, is characterized in that: the mass ratio of described pyrazosulfuron, Evil humulone, pendimethalin and synergist is 5 ~ 20: 10 ~ 16: 8 ~ 30: 1 ~ 5.
3. a kind of Herbicidal combinations for rice direct seeding field according to claim 1 and 2, is characterized in that: described synergist is organosilicon, cyclohexanedione or pyrrolidones.
4. a kind of Herbicidal combinations for rice direct seeding field according to claim 1 and 2, is characterized in that: described Herbicidal combinations also contains agriculturally acceptable surfactant and carrier.
5. a kind of Herbicidal combinations for rice direct seeding field according to claim 1 and 2, is characterized in that: the formulation of described Herbicidal combinations is wetting powder, suspending agent or microemulsion.
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|---|---|---|---|---|
| JPH01117809A (en) * | 1987-10-30 | 1989-05-10 | Nissan Chem Ind Ltd | Herbicide composition |
| CN1365253A (en) * | 1999-04-13 | 2002-08-21 | 阿温提斯作物科学股份有限公司 | Herbicidal compositions for paddy fields |
| CN102342281A (en) * | 2011-11-18 | 2012-02-08 | 江苏龙灯化学有限公司 | Weeding composition |
| CN103493827A (en) * | 2013-09-29 | 2014-01-08 | 李长敏 | Chemical herbicide for crops |
| CN103518740A (en) * | 2013-10-08 | 2014-01-22 | 王玉梅 | Composite herbicide containing oxadiazon, oxyfluorfen and pendimethalin |
-
2014
- 2014-09-26 CN CN201410504819.1A patent/CN104222131A/en active Pending
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- 2015-09-20 CN CN201510608685.2A patent/CN105248440A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01117809A (en) * | 1987-10-30 | 1989-05-10 | Nissan Chem Ind Ltd | Herbicide composition |
| CN1365253A (en) * | 1999-04-13 | 2002-08-21 | 阿温提斯作物科学股份有限公司 | Herbicidal compositions for paddy fields |
| CN102342281A (en) * | 2011-11-18 | 2012-02-08 | 江苏龙灯化学有限公司 | Weeding composition |
| CN103493827A (en) * | 2013-09-29 | 2014-01-08 | 李长敏 | Chemical herbicide for crops |
| CN103518740A (en) * | 2013-10-08 | 2014-01-22 | 王玉梅 | Composite herbicide containing oxadiazon, oxyfluorfen and pendimethalin |
Non-Patent Citations (1)
| Title |
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| 周宇鹏等: "有机硅表面活性剂在农药增效剂及油污清洗剂中的应用", 《有机硅材料》 * |
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