CN103329900A - Weeding composition containing butachlor and mesotrione - Google Patents
Weeding composition containing butachlor and mesotrione Download PDFInfo
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- CN103329900A CN103329900A CN2013102186655A CN201310218665A CN103329900A CN 103329900 A CN103329900 A CN 103329900A CN 2013102186655 A CN2013102186655 A CN 2013102186655A CN 201310218665 A CN201310218665 A CN 201310218665A CN 103329900 A CN103329900 A CN 103329900A
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Abstract
The invention relates to a weeding composition containing butachlor and mesotrione. The effective constituents are butachlor and mesotrione. The weight percentage of butachlor in the composition is 0.1%-60%, the weight percentage of mesotrione in the composition is 0.1%-40%, and the rest are pesticide adjuvants. Weeding effects are raised after combination of the butachlor and the mesotrione, and the resistance risks caused by single usage of the butachlor or the mesotrione are reduced. The weeding composition is advantaged of low toxicity and low residue. The dosage, the frequency and the usage cost can be reduced.
Description
Technical field
The invention belongs to agricultural chemicals weeding technique field, and in particular to it is a kind of using butachlor, mesotrione as active ingredient Herbicidal composition for rice field, for preventing and kill off rice terrace annual grassy weeds.
Background technology
As people are food-safe, environmental protection requirement is improved constantly, the Pesticide use situation on the crops that people depend on for existence also receives much concern.With being phased out, it is necessary to efficient, low toxicity, safety, environment amenable pharmaceutical preparations for high-toxic pesticide.Meanwhile, the long-term of agricultural chemicals makes developing immunity to drugs for disease pest and weed, the also more and more higher of the requirement to pesticide control, and this is accomplished by the pharmaceutical preparations that agricultural chemicals research and development staff development goes out highly effective and safe, meets preventing and treating requirement.Because China's pesticides discovery is at the early-stage, the pesticide species with independent intellectual property right are not met by needs, therefore the new pesticide mixed preparation of exploitation, are the only ways of current Agrochemicals.
Paddy rice is one of main cereal crops of China, and paddy field weeding is a great problem in production.Chemical method weeding is the Main Means for controlling weeds.In recent years, because some herbicide kind large area are used alone, many weeds is already led to and are developed immunity to drugs.Therefore, it is badly in need of efficient, low toxicity, economy, the rice weeding pharmaceutical preparations of safety.
Butachlor, english common name：Butachlor, chemical name：N- (fourth oxygen methyl)-α-chloro- α ', 6'- diethyl acetanils.Molecular formula：C17H26ClNO2, structural formula：
Butachlor is the selective preemergence herbicide of amide-type.It is main to be absorbed by weed bud with immature secondary root, suppress vivo protein synthesis, make the enlargement of weeds shoot, deformity, color depth is green, ultimately results in death.Available for grassy weed, annual nutgrass flatsedge and some annual broadleaf weeds that paddy field and nonirrigated farmland be anti-divided by seed is sprouted, such as barnyard grass, moleplant seed, difformed galingale herb, cyperus iria, needle spikesedge herb have good preventive effect.There is preferable prevention effect to Monochoria vaginalis, Drilgrass, cusp flower and firefly Lin etc..To perennial weeds such as water Rhizoma Sparganii, inclined stalk bit of a bridle grass, angustifolia arrowhead herbs then without obvious preventive effect.Only a small amount of butachlor can be absorbed by rice seedling, and rapid catabolism completely in vivo, thus rice seedling has larger drug-resistant capability.Butachlor stability in soil is small, stable to light, can be decomposed by edaphon.Lasting period is 30-40 days, to second stubble crop safety.
Mesotrione, english common name：Mesotrione, chemical name：2- (2- nitro -4- mesyl benzene adds acyl) hexamethylene -1,3- diketone, molecular formula：C14H13NO7S, structural formula：
Mesotrione suppresses the activity of p-hydroxypyruvate dioxygenase (HPPD), and amino acid Lip river propylhomoserin can be converted into plastoquinone by HPPD.Plastoquinone is the confactor of phytoene desaturase.It is the key enzyme of herxheimer-liked reaction.There is yellow symptom using 3-5 days implants separate living tissues of mesotrione therewith to cause after withered spot, fortnight throughout whole plant.With faintly acid, in inoic acid soil, tightly it can adsorb on organic substance；In neutral or basic soil, exist to be difficult absorbed anionic form.
Rationally compounding is to improve preventive effect to herbicide, delays the speed of shift of weed community, and reduction agricultural chemicals is single using the resistance risk brought, mitigates the pollution to environment, reduction use cost and a kind of effective ways for reducing herbicide residue.The present inventor has made intensive studies to the mixture of butachlor, mesotrione, on the basis of substantial amounts of formula indoor screening test and field medicine effect test, it was found that butachlor, mesotrione carry out mixture, obvious synergy or summation action are shown to paddy field weed in the range of certain mixed ratio, after further study, the present invention is completed.
The mixture and application of butachlor and mesotrione there is no report at present.
The content of the invention
It is an object of the invention to when solving that above-mentioned herbicide is single to be used it is not enough there is provided it is a kind of efficiently, low toxicity, low cost, quick-acting it is good, and the lasting period is long, is conducive to the Herbicidal combinations of the rice terrace annual grassy weeds comprehensive regulation.
The technical scheme is that：A kind of Herbicidal combinations containing butachlor and mesotrione, are made up of active ingredient butachlor, mesotrione and appropriate insecticides adjuvant.The percentage by weight of butachlor in the composition is 0.1%~60%, and the percentage by weight of mesotrione in the composition is 0.1%~40%, and remaining is insecticides adjuvant.
Described Herbicidal combinations can be processed into the application forms of the suitable agricultural use such as oil-suspending agent, wettable powder, water-dispersible granules, granule according to well known to a person skilled in the art method.
Above-mentioned Herbicidal combinations are processed into oil-suspending agent, and each component percentage by weight is：Butachlor 0.1%~60%, mesotrione 0.1%~40%, surfactant 1%~25%, remaining is carrier.
Above-mentioned Herbicidal combinations are processed into water-dispersible granules, and each component percentage by weight is：Butachlor 0.1%~60%, mesotrione 0.1%~40%, surfactant 1%~25%, remaining is carrier.
Above-mentioned Herbicidal combinations are processed into wettable powder, and each component percentage by weight is：Butachlor 0.1%~60%, mesotrione 0.1%~40%, surfactant 1%~25%, remaining is carrier.
Described Herbicidal combinations are processed into granule, and each component percentage by weight is：Butachlor 0.1%~60%, mesotrione 0.1%~40%, surfactant 0.1%~10%, remaining is carrier.
Described Herbicidal combinations are processed into oil-suspending agent, and surfactant is one or more of mixing of calcium dodecyl benzene sulfonate, AEO, benzene ethylbenzene phenol polyethenoxy ether, lignosulfonates, APES or its phosphate, aerosol-OT salt, alkylnaphthalene sulfonate formaldehyde condensation products and polycarboxylic acid；Defoamer is epoxidized soybean oil；Antifreezing agent is one kind in ethylene glycol, propane diols, glycerine；Described carrier is one or more of mixing in organobentonite, white carbon, exquisite soybean oil, corn oil, rapeseed oil, turpentine oil, methyl oleate, coconut oil, palm oil, methyl naphthalene higher aliphatic hydrocarbon ils.
Described Herbicidal combinations are processed into water-dispersible granules, wettable powder, granule, and surfactant is one or more of mixing of neopelex, lauryl sodium sulfate, lignosulfonates, aliphatic alcohol sulfate, aliphatic alcohol polyethenoxy, sodium butylnaphthalenesulfonate, APES, naphthalenesulfonate formaldehyde condensation compound and polycarboxylic acid；Carrier is one or more of mixing in kaolin, attapulgite, bentonite, diatomite, talcum powder, precipitated calcium carbonate, urea, white carbon.
The production technology of the various application forms of described Herbicidal combinations belongs to existing known technology, will not be repeated here.
The Herbicidal combinations that the present invention is provided, applied to preventing and kill off rice terrace annual grassy weeds.
The Herbicidal combinations that the present invention is provided, are generally used using the method spread fertilizer over the fields or pesticide-clay mixture spreads fertilizer over the fields, and can also use technology using other agriculturally applied as needed.
The Herbicidal combinations that the present invention is provided have the advantages that：
1st, the Herbicidal combinations that the present invention is provided, obvious synergy or summation action are shown in certain ratio range, the prevention effect of composition is significantly improved than single dose, expand preventing and treating spectrum, reduce the dosage of agricultural chemicals, times for spraying is reduced, drug cost is reduced, adverse effect of the agricultural chemicals to ecological environment is reduced.
2nd, the Herbicidal combinations that the present invention is provided, active ingredient mechanism of action is different, can reduce long-term single using the resistance risk produced, the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
3rd, the Herbicidal combinations that the present invention is provided, drug effect plays rapid, and the lasting period is long, and use cost is low, easy to use, time saving and energy saving, and its popularization and application has huge economic benefit and social benefit.
Embodiment
In order that the objects, technical solutions and advantages of the present invention are more concise, the present invention is illustrated with specific examples below, but the present invention is only limitted to absolutely not these examples.As described below is only the present invention preferably embodiment, is used only for the description present invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that any modification, equivalent and improvement for being made within the spirit and principles of the invention etc., should be included within the scope of the present invention.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
In these embodiments, unless otherwise indicated, all percentages are weight percentage.
Embodiment 1（20% butachlor mesotrione oil-suspending agent）：
Butachlor 15%,
Mesotrione 5%,
Benzene ethylbenzene phenol polyethenoxy ether 5%,
Sodium lignin sulfonate 8%,
Epoxidized soybean oil 5%,
Organobentonite 5%,
Exquisite soybean oil is to 100%.
Above-mentioned material (except organobentonite) is added in reactor mixer together, stirring 2 hours, open bottom pan feeding valve, material is injected and ground in multistage sand mill, fineness of materials 98% after grinding after 1-5um by discharging, material is put into high-shear emulsifying kettle together with the organobentonite dissolved in advance again, and 20% good butachlor mesotrione oil-suspending agent of flowing to property is can be made into after emulsification.
Embodiment 2（60% butachlor mesotrione water dispersible granules）：
Butachlor 50%,
Mesotrione 10%,
Lauryl sodium sulfate 4%,
Metal carboxylate 5%,
Urea 40%,
Kaolin is to 100%.
Above-mentioned material is added in cone-type mixer together and is well mixed; crushed by airslide disintegrating mill; material after crushing is mixed through cone-type mixer again; mixed fineness of materials 98% passes through 325 mesh standard sieves; add in kneader and be kneaded into plasticity material; this material is finally put into extruder grain in Squeezinggranulator, 60% butachlor mesotrione water dispersible granules are made through drying, screening after granulation.
Embodiment 3（46% butachlor mesotrione wettable powder）：
Butachlor 40%,
Mesotrione 6%,
Lauryl sodium sulfate 2%,
Sodium butylnaphthalenesulfonate 3%,
Calcium lignosulfonate 5%,
White carbon 5%,
Kaolin is to 100%.
Above-mentioned material is added in cone-type mixer together and is well mixed, is crushed by airslide disintegrating mill, the material after crushing is mixed through cone-type mixer again, mixed fineness of materials 98% produces 46% butachlor mesotrione wettable powder by 325 mesh standard sieves.
Embodiment 4（10% butachlor mesotrione granule）：
Butachlor 8%,
Mesotrione 2%,
Lauryl sodium sulfate 4%,
Calcium lignosulfonate 5%,
Attapulgite 30%,
Kaolin is to 100%.
Above-mentioned material is added in cone-type mixer together and is well mixed, is crushed by airslide disintegrating mill, the material after crushing is mixed through cone-type mixer again, mixed fineness of materials 98% produces wettable powder by 325 mesh standard sieves.This wettable powder is put into the granulation that added water in granulating disc, dries, sieve by drying, cooling cylinder is cooled down, that is, 10% butachlor mesotrione granule is made.
Embodiment 5：Prevent and treat the rice terrace annual grassy weeds test of pesticide effectiveness.
Prevent and treat rice seedling throwing field annual grassy weeds：Experiment sets 7 processing altogether, processing 1 is 20% butachlor mesotrione oil-suspending agent, processing 2 is 60% butachlor mesotrione water dispersible granules, processing 3 is 46% butachlor mesotrione wettable powder, processing 4 is 10% butachlor mesotrione granule, and processing 5 is 50% butachlor ec agent, and processing 6 is 15% mesotrione suspending agent, processing 7 is artificial weeding, and processing 8 is control（Not dispenser not weeding）.In 5 days after rice seedling throwing, mixed 10 kilograms of urea spread fertilizer over the fields, and is counted after dispenser after 30 days and contrasts each processing number of weeds amount and preventive effect, result of the test is shown in Table 1.
Table 1, preventing and treating rice terrace annual grassy weeds result of the test.
Conclusion：It can be seen that by test of pesticide effectiveness result, it is outstanding that a kind of Herbicidal combinations containing butachlor and mesotrione of the present invention wipe out and treat insect pests and plant diseases rice terrace annual gramineous weed weeds drug effect, preventive effect is apparently higher than butachlor, mesotrione single dose, butachlor and mesotrione combination have synergistic effect, single medicament is reduced for a long time using the resistance risk brought, dispenser can prevent and kill off paddy field weed substantially, reduce spraying times, it is good to Security of rice, it is to prevent and kill off the preferable novel composition medicament of paddy field weed effect at present.
Claims (2)
1. a kind of Herbicidal combinations containing butachlor and mesotrione, it is characterised in that：Active ingredient is butachlor, mesotrione；The percentage by weight of butachlor in the composition is 0.1%~60%, and the percentage by weight of mesotrione in the composition is 0.1%~40%, and remaining is insecticides adjuvant.
2. a kind of Herbicidal combinations containing butachlor and mesotrione according to claim 1, it is characterised in that：Described Herbicidal combinations can be processed into oil-suspending agent, water-dispersible granules, wettable powder or granule.
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| CN2013102186655A CN103329900A (en) | 2013-06-04 | 2013-06-04 | Weeding composition containing butachlor and mesotrione |
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| CN2013102186655A CN103329900A (en) | 2013-06-04 | 2013-06-04 | Weeding composition containing butachlor and mesotrione |
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| CN103329900A true CN103329900A (en) | 2013-10-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105265435A (en) * | 2014-07-02 | 2016-01-27 | 江苏龙灯化学有限公司 | Synergistic herbicidal composition and application thereof |
| CN109362743A (en) * | 2018-11-19 | 2019-02-22 | 安徽远景作物保护有限公司 | A kind of Herbicidal combinations and its application containing symetryne |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101595886A (en) * | 2009-07-10 | 2009-12-09 | 合肥星宇化学有限责任公司 | The Herbicidal combinations that is used for paddy field |
| CN101731232A (en) * | 2010-01-13 | 2010-06-16 | 刘雪源 | Weed control foliar herbicide compositions in paddy field |
| CN102293202A (en) * | 2011-09-27 | 2011-12-28 | 湖南振农科技有限公司 | Omnibearing herbicide for paddy fields |
-
2013
- 2013-06-04 CN CN2013102186655A patent/CN103329900A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101595886A (en) * | 2009-07-10 | 2009-12-09 | 合肥星宇化学有限责任公司 | The Herbicidal combinations that is used for paddy field |
| CN101731232A (en) * | 2010-01-13 | 2010-06-16 | 刘雪源 | Weed control foliar herbicide compositions in paddy field |
| CN102293202A (en) * | 2011-09-27 | 2011-12-28 | 湖南振农科技有限公司 | Omnibearing herbicide for paddy fields |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105265435A (en) * | 2014-07-02 | 2016-01-27 | 江苏龙灯化学有限公司 | Synergistic herbicidal composition and application thereof |
| CN105265435B (en) * | 2014-07-02 | 2018-03-20 | 江苏龙灯化学有限公司 | A kind of Synergistic herbicide compositions and its application |
| CN109362743A (en) * | 2018-11-19 | 2019-02-22 | 安徽远景作物保护有限公司 | A kind of Herbicidal combinations and its application containing symetryne |
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