CN102640759A - Weeding composition for rice direct-seeding field - Google Patents
Weeding composition for rice direct-seeding field Download PDFInfo
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- CN102640759A CN102640759A CN2012100954557A CN201210095455A CN102640759A CN 102640759 A CN102640759 A CN 102640759A CN 2012100954557 A CN2012100954557 A CN 2012100954557A CN 201210095455 A CN201210095455 A CN 201210095455A CN 102640759 A CN102640759 A CN 102640759A
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Abstract
The invention relates to a weeding composition for a rice direct-seeding field. The weeding composition comprises active components such as pretilachlor, pyrazosulfuron-ethyl and clomazone. The weeding composition for the rice direct-seeding field has the advantages that after the pretilachlor, the pyrazosulfuron-ethyl and the clomazone are compounded, the weeding effect can be improved, the weed-controlling spectrum is broadened, the toxicity and the residue rate are low, and the usage amount, the usage time and the service cost are obviously reduced, the effect is obviously higher than that of a single weeding agent. The weeding composition is a novel composition agent for the prevention and treatment of annual weeds in rice direct-seeding fields.
Description
Technical field
The invention belongs to agricultural chemicals weeding technical field, being specifically related to a kind of is the rice direct-seeding field weeding composition of active ingredient with the third careless amine, pyrazosulfuron, clomazone.
Background technology
The third careless amine, english common name: pretilachlor, chemical name: 2-chloro-2,6'-diethyl-N-(the 2-third oxygen ethyl) acetanil.Third grass belongs to the selectivity seed pretreating reagent of sprouting, and can pass through the plant hypocotyl, mesocotyl and coleoptile absorption, and root slightly absorbs, and directly disturbs weeds body internal protein to synthesize, and photosynthetic and respiration are had remote-effects.The weeds seedling that is injured distortion, the primary leaf difficulty is stretched out, and the leaf look deepens green, and growth stops, until death.Paddy rice has stronger capacity of decomposition to the third careless amine, thereby has certain selectivity.
Pyrazosulfuron, english common name: pyrazosulfuron-ethyl, chemical name: 5-(4,6-dimethoxypyridin base-2-carbamyl sulfonamides)-1-methylpyrazole base-4-Ethyl formate.Pyrazosulfuron belongs to a kind of efficient sulfonylurea optional water field herbicidal.Diffusion rapidly in water is transmitted in the plant body after being absorbed by the root of weeds, hindered aminoacid synthetic.Promptly suppress the growth of weeds leaves and stems and the stretching, extension of root, withered fully then.To rice safety.It is wider to kill the grass spectrum, better to control efficiency such as broad leaved weed, sedge weed, barnyard grass grass.Its drug effect is temperature influence not, and lasting medicine is disposable employed, can control the multiple weeds harm of rice growing season.
Clomazone, english common name: clomazone, chemical name: 2-(2-benzyl chloride base)-4,4-dimethyl isoxazole-3-ketone.Clomazone belongs to the selectivity preemergence herbicide, is absorbed the chlorophyllous biosynthesis of back controlled sensitive plant, makes plant dead in a short time.With soil moderate cohesive is arranged, in the soil mainly by microbial degradation.
During the single use of the third careless amine, pyrazosulfuron, clomazone, certain defective and limitation are arranged all.Weed killer herbicide is rationally composite to be to improve preventive effect, expansion grass spectrum extremely, delays the speed of weed community succession, alleviates the pollution to environment, reduces a kind of effective ways of use cost and reduction herbicide residue.The inventor studies the combination of the third careless amine, pyrazosulfuron, clomazone, finds the third careless amine, pyrazosulfuron, clomazone combination to performance synergy of rice direct-seeding field weed or summation action, and warp is research further, has accomplished the present invention.The still unmanned at present report of the combination of the third careless amine, pyrazosulfuron 、 clomazone.
Summary of the invention
The objective of the invention is to solve in the prior art farmland weed develop immunity to drugs problem and the relatively poor problem of single use control efficiency, a kind of efficient, wide spectrum, environmentally friendly is provided, help the composition pesticide of the rice direct-seeding field weed comprehensive regulation.
Another object of the present invention provides this composition pesticide is used to prevent and kill off farmland weed, is particularly useful for preventing and kill off the rice direct seeding field annual weed.
Technical scheme of the present invention is: a kind of rice direct-seeding field weeding composition, form by the active ingredient third careless amine, pyrazosulfuron, clomazone and suitable insecticides adjuvant.The percentage by weight of the third careless amine in composition is 5%～50%, and the percentage by weight of pyrazosulfuron in composition is 1%～20% 、 clomazone
Percentage by weight in the rice direct-seeding field weeding composition is 2%～30%, and all the other are insecticides adjuvant.
Described rice direct-seeding field weeding composition can be processed into the application forms that suitable agricultural such as oil-suspending agent, wetting powder, water-dispersible granules, granule is used according to well known to a person skilled in the art method.
The production technology of the various application forms of described rice direct-seeding field weeding composition all belongs to existing known technology, repeats no more at this.
Rice direct-seeding field weeding composition provided by the invention is applied to prevent and kill off the rice direct seeding field annual weed.
Rice direct-seeding field weeding composition provided by the invention adopts the method for directed spraying to use usually, also can adopt agricultural to go up other operation techniques of using as required.
Rice direct-seeding field weeding composition provided by the invention has following beneficial effect:
1, rice direct-seeding field weeding composition provided by the invention; In certain ratio range, show obvious synergistic effect; The control efficiency of composition is significantly improved than single agent, has reduced the using dosage of agricultural chemicals, has reduced the medication number of times; Reduced drug cost, reduced the adverse effect of agricultural chemicals ecotope.
2, rice direct-seeding field weeding composition provided by the invention, the combination of three kinds of active ingredients has enlarged herbicidal spectrum, and a drug can solve various weeds problems, defective and limitation when having remedied single agent and using.
3, rice direct-seeding field weeding composition provided by the invention, the active ingredient mechanism of action has nothing in common with each other, and can overcome the shortcoming that long-term single use is easy to generate resistance, prolongs the service life of medicament, and the comprehensive regulation of weeds resistance is had significance.
4, rice direct-seeding field weeding composition provided by the invention, the drug effect performance is rapid, and the lasting period is long, and use cost is low, and is easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Embodiment
In order to make the object of the invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to these examples absolutely not.The following stated is merely the present invention embodiment preferably, only is used to describe the present invention, can not be interpreted as the restriction to scope of the present invention.Should be pointed out that all any modifications of within spirit of the present invention and principle, being made, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
In these embodiment, unless otherwise indicated, all percentages all are weight percentage.
FORMULATION EXAMPLE 1:The 37% the third metazachlor Sulfometuron Methyl clomazone oil-suspending agents.
The third careless amine 20%, pyrazosulfuron 2% ， clomazone 15%, benzene ethylphenol APEO 5%,
Sodium lignin sulfonate 8%, epoxidized soybean oil 5%, organobentonite 5% adds exquisite soybean oil to 100%.
Above-mentioned material (except the organobentonite) is joined in the agitated reactor mixer together; Stirred 2 hours; Open pan feeding valve at the bottom of the still, material is injected multistage sand mill grind, the material fineness 98% after the grinding is through discharging behind the 1-5um; Material is put into the high-shear emulsifying still with the good organobentonite of prior dissolving again, promptly can be made into the 37% the third metazachlor Sulfometuron Methyl clomazone oil-suspending agents after the emulsification.
FORMULATION EXAMPLE 2:The 60% the third metazachlor Sulfometuron Methyl clomazone water dispersible granules.
The third careless amine 28%, pyrazosulfuron 4% ， clomazone 28%, lauryl sodium sulfate 4%,
Metal carboxylate 5%, urea 10% adds kaolin to 100%.
Above-mentioned material added in the cone-type mixer together mix; After airslide disintegrating mill is pulverized; Material after the pulverizing mixes through cone-type mixer again, and mixed material fineness 98% is kneaded into the plasticity material through 325 mesh standard sieves in the adding kneader; At last this material is put into the Squeezinggranulator extruder grain, granulation is after drying, screening promptly make the 60% the third metazachlor Sulfometuron Methyl clomazone water dispersible granules.
FORMULATION EXAMPLE 3:The 38% the third metazachlor Sulfometuron Methyl clomazone wetting powders.
The third careless amine 10%, pyrazosulfuron 2% ， clomazone 26%, lauryl sodium sulfate 2%,
Sodium butylnaphthalenesulfonate 3%, calcium lignosulfonate 5%, white carbon 5%, kaolin to 100%.
Above-mentioned material added in the cone-type mixer together mix; After airslide disintegrating mill is pulverized; Material after the pulverizing mixes through cone-type mixer again, and mixed material fineness 98% is through 325 mesh standard sieves, promptly gets the 38% the third metazachlor Sulfometuron Methyl clomazone wetting powders.
FORMULATION EXAMPLE 4: the 3% the third metazachlor Sulfometuron Methyl clomazone granules.
The third careless amine 1.0%, pyrazosulfuron 0.1%, clomazone 1.9%, lauryl sodium sulfate 4%, calcium lignosulfonate 5%, attapulgite 30% adds kaolin to 100%.
Above-mentioned material added in the cone-type mixer together mix, after airslide disintegrating mill is pulverized, the material after the pulverizing mixes through cone-type mixer again, and mixed material fineness 98% promptly gets wetting powder through 325 mesh standard sieves.This wetting powder dropped in granulating disc add the water granulation,, promptly make the 3% the third metazachlor Sulfometuron Methyl clomazone granules after drying is dry, screening, cooling cylinder are cooled off.
biologicall test embodiment 1.
In order to verify the present invention, we have carried out the third careless amine, pyrazosulfuron 、 clomazone is composite to barnyard grass grass, Monochoria vaginalis virulence test.
1 materials and methods.
1.1 supply the reagent agent: the third careless amine (pretilachlor), 94% former medicine; Pyrazosulfuron (pyrazosulfuron-etyl) 97% former medicine; Clomazone (clomazone) 93% former medicine.
1.2 supply the examination material: barnyard grass grass [Echinochloa crusgalli (L.) Beauv.].Monochoria vaginalis [Monochoria vaginglis (Burm.f.) Preslex Kunth].
Above weed seed picks up from the Ren Shan of Huidong County town, Huizhou City, Guangdong Province Lao Keng village rice direct seeding field, and is subsequent use in indoor preservation.
1.3 test method.
1.3.1 test Treatment Design.
(1) third careless amine 60g (a.i.)/hm
2
(2) third careless amine 80g (a.i.)/hm
2(3) third careless amine 100g (a.i.)/hm
2(4) third careless amine 120g (a.i.)/hm
2(5) third careless amine 140g (a.i.)/hm
2(6) pyrazosulfuron 4g (a.i.)/hm
2(7) pyrazosulfuron 6g (a.i.)/hm
2(8) pyrazosulfuron 8g (a.i.)/hm
2(9) pyrazosulfuron 10g (a.i.)/hm
2(10) pyrazosulfuron 12g (a.i.)/hm
2(11) clomazone 20g (a.i.)/hm
2(12) clomazone 40g (a.i.)/hm
2(13) clomazone 60g (a.i.)/hm
2(14) clomazone 80g (a.i.)/hm
2(15) clomazone 100g (a.i.)/hm
2(16) third careless amine 60g+ pyrazosulfuron 12g+ clomazone 100g (a.i.)/hm
2(17) third careless amine 80g+ pyrazosulfuron 10g+ clomazone 80g (a.i.)/hm
2(18) third careless amine 100g+ pyrazosulfuron 8g+ clomazone 60g (a.i.)/hm
2(19) third careless amine 120g+ pyrazosulfuron 6g+ clomazone 40g (a.i.)/hm
2(20) third careless amine 140g+ pyrazosulfuron 4g+ clomazone 20g (a.i.)/hm2.（21）CK
1.3.2 medicament is to the activity test of barnyard grass grass.
Press 1.3.1 Design Treatment dosage preparating liquid, earlier calculate dosing, take by weighing the third careless amine, pyrazosulfuron, clomazone with electronic balance then and earlier use acetone solution respectively according to experimental scheme, and then for use with 0.1% Tween 80 aqueous solution prepared and diluted.
Point is sowed at the sectional area 0.25m that earth is housed behind the barnyard grass grass seed presoaking and germinating
2The iron basin in, every basin is broadcast 100, is cultured to the barnyard grass grass in the greenhouse and the 1 stamen phase of 1 leaf handles.Spray soup with hand-held compressed sprayer (3NY-1.2), spouting liquid is every processing 50ml, keeps ground moistening behind the medicine, and establishes the processing contrast that does not contain medicament.Every processing repetition 4 times took by weighing behind the medicine and respectively handles top, barnyard grass meadow fresh weight in 20 days, calculated the inhibition percentage of respectively handling aerial growth and remaining barnyard grass grass for the percentage of contrast, estimated the three with the Golby method and used the synergy type careless to barnyard grass with.The actual preventive effect of mixe herbicide is calculated by following formula:
In the formula A represent to remove agent I consumption for amount the control efficiency during for P; Control efficiency when B representes that weed killer herbicide II consumption is Q; Control efficiency when C representes that weed killer herbicide III consumption is R; Theoretical control efficiency when E0 representes mixture (I+II+III) consumption for (P+Q+R), E representes the actual control efficiency that each is handled.
Evaluation criterion.E-E
0﹤-10%, each single agent of forming mixture has antagonism.E-E
0=-10～10%, each single agent of forming mixture has addition.E-E
0﹥ 10%, and each single agent of forming mixture has synergistic effect.
1.3.3 medicament is to the activity test of Monochoria vaginalis.
Put after the vernalization behind the Monochoria vaginalis seed-soaking and be sowed in the iron basin of the sectional area 0.25m2 that earth is housed all the other same 1.3.2.
2 interpretations of result.
Visible from table 1 and table 2 data, the third careless amine, 5 various combinations of pyrazosulfuron 、 clomazone E-E careless to barnyard grass
0Value is respectively-7.5% ,-2.5% ,-1.9%, 1.1%, 3.3%; E-E0 value to Monochoria vaginalis is respectively-5.6% ,-1.5%, 2.0%, 2.3%, 3.6%.All between ± 10%.Explain that the third careless amine, the combination of pyrazosulfuron 、 clomazone belong to additive effect to the synergy of barnyard grass grass, Monochoria vaginalis.
3 conclusions.
The third careless amine, pyrazosulfuron 、 clomazone combination back herbicidal spectrum can be complementary, and the synergy that ternary is mixed to barnyard grass grass, Monochoria vaginalis belongs to addition.Therefore, the three control paddy field annual weed that is mixed is feasible.
Table 1, the third careless amine, the combination of pyrazosulfuron 、 clomazone are measured (behind the medicine 20 days) to the synergy of barnyard grass grass.
Table 2, the third careless amine, the combination of pyrazosulfuron 、 clomazone are measured (behind the medicine 20 days) to the synergy of barnyard grass grass.
biologicall test embodiment 2: the test of pesticide effectiveness of preventing and kill off the rice direct seeding field annual weed.
1 experimental condition.
1.1 crop and cultivar: paddy rice (kind: ten thousand gold medals excellent 133).
1.2 the selection of subjects weeds.
The advantage weeds mainly contain in the field: barnyard grass grass [Echinochloa crusgalli], moleplant seed [Leptochloa chinensis], amur foxtail [Alopecurus aequalis], Monochoria vaginalis [Monochoria vaginglis], the rhizome of nutgrass flatsedge [Cyperus rotundus] etc.
1.3 cultivation condition.
Experimental field be positioned at rock Wang Hu village, rock Wang Hu town, Hanshou county, changde, hunan province city, rice cultivation, paddy rice and rape crop rotation throughout the year.The confession rice of trying the water was sowed on April 13rd, 2011, and seeding quantity is 2 kilograms/mu, and live when showing money or valuables one carries unintentionally accelerating germination of rice seed to broken chest, a mu sealing fertilizer is made base manure for 15 kilograms.Term harmonizations such as each sub-district rice varieties, sowing time, growing way and rich water quality management, minizone are built little ridge in case string is irritated.
2 experimental scheme and arrangement.
2.1 supply reagent agent experimental scheme.
2.2 arrange the sub-district.
9 processing are established in test, 4 repetitions of every processing, totally 36 sub-districts, sub-district randomized arrangement, about 80 square metres of sub-district area.
2.3 application method.
Test medicine uses by every sub-district dosage; The 37% the third metazachlor Sulfometuron Methyl clomazone oil-suspending agents, the 60% the third metazachlor Sulfometuron Methyl clomazone water dispersible granules, the 38% the third metazachlor Sulfometuron Methyl clomazone wetting powders, the 40% the third careless amine oil slick, 10% pyrazosulfuron wetting powder, 360g/L clomazone microcapsule suspending agent are converted 30 kilograms of/mu sprayings of water, adopt the hand compression sprayer spraying of sharp agricultural board HD-400.The 3% the third metazachlor Sulfometuron Methyl clomazone granule pesticide-clay mixture spread fertilizer over the fields.Keep paddy field moistening 7-10 days after the dispenser, press Routine Management later on.
2.4 spraying time and number of times
In dispenser in after planting 3 days (on April 16th, 2011) once, the artificial weeding district carries out 2 weedings altogether, and carry out 25 days (on May 10th, 2011) after 15 days (on April 31st, 2011) and dispenser after the dispenser respectively.
3 investigation, record and measuring method.
3.1 meteorology and soil information.
3.1.1 meteorological data.
Test was carried out from May 15,2011 16 days to 2011 April in, and dispenser same day is cloudy, does not have rainfall in 24 hours after the dispenser.Weather condition during dispenser same day to the last efficacy survey: rainfall 9 days, 254.5 millimeters of total rainfalls, 14～20 ℃ of daily mean temperatures, relative moisture 50-95%.
3.1.2 soil information.
Experimental field soil belongs to the carbonaceous black mud, and the content of organic matter is abundant, in the fertility on, pH value 6.7.
3.2 weeds investigation.
3.2.1 control time and number of times.
Investigation in 30 days (on May 15th, 2011) after dispenser, investigation number of times totally 1 time.
3.2.2 investigation method.
Diagonal 5 samplings in every sub-district are investigated 1.0 square metres at every, write down each sub-district weeds sum and claim fresh weight.
3.2.3 drug effect computational methods:
3.3 poisoning investigation.
3.3.1 control time and number of times.
After dispenser, respectively investigated 1 time in 15 days, 30 days, the full phase is investigated 2 times altogether.
3.3.2 investigation method.
Whether the range estimation rice seeding has poisoning phenomenons such as dwarfing, chlorisis, deformity.
3.4 crop yield and quality.
3.4.1 survey the product time.
Carry out in the rice harves same day (on July 23rd, 2011).
3.4.2 survey the product method.
Adopt real segmentation method, the every sub-district of weighing rice yield, and be converted into per mu yield, rice quality is not measured.
4 results and analysis.
4.1 statistical analysis.
The 37% the third metazachlor Sulfometuron Methyl clomazone oil-suspending agents, the 60% the third metazachlor Sulfometuron Methyl clomazone water dispersible granules, the 38% the third metazachlor Sulfometuron Methyl clomazone wetting powders, the 3% the third metazachlor Sulfometuron Methyl clomazone granules are prevented and kill off rice direct-seeding field weed preventive effect more than 96%, explain that the third careless amine, pyrazosulfuron, clomazone combination prevent and kill off that rice direct seeding field grassy weed, broad-leaved are assorted, nutgrass flatsedge is all effective than the third careless amine, pyrazosulfuron, each single agent of clomazone.
The 37% the third metazachlor Sulfometuron Methyl clomazone oil-suspending agents, the 60% the third metazachlor Sulfometuron Methyl clomazone water dispersible granules, the 38% the third metazachlor Sulfometuron Methyl clomazone wetting powders are protected productive rate more than 47.7%; The 40% the third careless amine oil slick are protected productive rate 25.7%; 10% pyrazosulfuron wetting powder is protected productive rate 33.0%; 360g/L clomazone microcapsule suspending agent is protected productive rate 39.4%; Artificial weeding guarantor productive rate 13.3% explains that the third careless amine, the combination of pyrazosulfuron 、 clomazone can prevent and treat the assorted rice yield that ensures of rice direct seeding field effectively, and it is high that the third careless amine, pyrazosulfuron 、 clomazone make up the ratio third careless amine, productive rate is protected in each the single agent of pyrazosulfuron 、 clomazone.
4.2 safety evaluatio.
Duration of test, not inventing test medicine treatment region paddy growth has harmful effect.
Rice direct-seeding field weed result of the test is prevented and kill off in table 3, the third careless amine, pyrazosulfuron, clomazone combination.
Rice direct-seeding field weed result of the test is prevented and kill off in table 4, the third careless amine, pyrazosulfuron, clomazone combination.
Claims (4)
1. rice direct-seeding field weeding composition, it is characterized in that: active ingredient is the third careless amine, pyrazosulfuron, clomazone.
2. rice direct-seeding field weeding composition according to claim 1; It is characterized in that: the percentage by weight of the third careless amine in composition is 5%～50%; The percentage by weight of pyrazosulfuron in composition is that the percentage by weight of 1%～20% 、 clomazone in composition is 2%～30%, and all the other are insecticides adjuvant.
3. rice direct-seeding field weeding composition according to claim 1 is characterized in that: described rice direct-seeding field weeding composition is processed into oil-suspending agent, water-dispersible granules, wetting powder or granule.
4. according to each described rice direct-seeding field weeding composition in the claim 1～3, it is characterized in that: described rice direct-seeding field weeding composition is applicable to prevents and kill off the rice direct seeding field annual weed.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103783059A (en) * | 2014-02-27 | 2014-05-14 | 江苏省激素研究所股份有限公司 | Herbicide composition containing metolachlor |
| CN103875697A (en) * | 2014-04-11 | 2014-06-25 | 哈尔滨利民农化技术有限公司 | Paddy field resistant broadleaf weed herbicide, preparation method and application of herbicide |
| CN104430460A (en) * | 2014-12-03 | 2015-03-25 | 安徽美兰农业发展股份有限公司 | Pyrazosulfuron-ethyl, clomazone and butachlor compound dispersible oil suspension concentrate and preparation method thereof |
| WO2015197487A3 (en) * | 2014-06-25 | 2016-04-28 | Basf Se | Formulation of clomazone having reduced volatility |
| CN106234401A (en) * | 2016-08-15 | 2016-12-21 | 浙江天丰生物科学有限公司 | A kind of Herbicidal composition for rice field |
| CN107027795A (en) * | 2017-04-27 | 2017-08-11 | 安徽喜洋洋农业科技有限公司 | A kind of winter wheat field annual grassy weeds herbicide and its collocation method |
| CN107372562A (en) * | 2017-08-07 | 2017-11-24 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of pendimethalin, clomazones and pyrazosulfuron |
| CN109952029A (en) * | 2016-11-09 | 2019-06-28 | Upl有限公司 | Ternary combinations of herbicides |
| CN114128708A (en) * | 2021-12-02 | 2022-03-04 | 武汉瑞安农业开发有限公司 | Herbicide and its application method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103783059A (en) * | 2014-02-27 | 2014-05-14 | 江苏省激素研究所股份有限公司 | Herbicide composition containing metolachlor |
| CN103875697A (en) * | 2014-04-11 | 2014-06-25 | 哈尔滨利民农化技术有限公司 | Paddy field resistant broadleaf weed herbicide, preparation method and application of herbicide |
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| CN104430460A (en) * | 2014-12-03 | 2015-03-25 | 安徽美兰农业发展股份有限公司 | Pyrazosulfuron-ethyl, clomazone and butachlor compound dispersible oil suspension concentrate and preparation method thereof |
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| CN109952029A (en) * | 2016-11-09 | 2019-06-28 | Upl有限公司 | Ternary combinations of herbicides |
| CN107027795A (en) * | 2017-04-27 | 2017-08-11 | 安徽喜洋洋农业科技有限公司 | A kind of winter wheat field annual grassy weeds herbicide and its collocation method |
| CN107372562A (en) * | 2017-08-07 | 2017-11-24 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of pendimethalin, clomazones and pyrazosulfuron |
| CN114128708A (en) * | 2021-12-02 | 2022-03-04 | 武汉瑞安农业开发有限公司 | Herbicide and its application method |
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