CN104186478A - Weed killer composition with function of broad-spectrum weeding - Google Patents
Weed killer composition with function of broad-spectrum weeding Download PDFInfo
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- CN104186478A CN104186478A CN201410477097.5A CN201410477097A CN104186478A CN 104186478 A CN104186478 A CN 104186478A CN 201410477097 A CN201410477097 A CN 201410477097A CN 104186478 A CN104186478 A CN 104186478A
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- cyhalofop
- butyl
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Abstract
The invention discloses a weed killer composition with the function of broad-spectrum weeding, and relates to the technical field of agricultural production. The composition disclosed by the invention consists of effective constituents, emulsifiers and solvents, and is in the dosage form of missible oil. The composition is characterized in that the effective constituents of the composition are cyhalofop-butyl and pyriminobac-methyl. The cyhalofop-butyl and the pyriminobac-methyl are compounded in the composition, so that the composition has the function of high-efficient and broad-spectrum weeding, the weeding scope is extended, and the control effect for barnyard grasses, semen euphorbiae, sedges, convexutricle sedge herbs, heleocharis plantagineiformis, sagittaria pygmaea, alternanthera philoxeroides and four-peduncles four-circumference paspalum distichum, and the like in direct seeding paddy fields is good, and better than that of using two single dosage varieties of the cyhalofop-butyl and the pyriminobac-methyl. The composition can be widely used for preventing and killing off various weeds in the rice direct seeding fields.
Description
Technical field
The present invention relates to field of agricultural production technologies, particularly the production technical field of weed killer herbicide.
Background technology
Paddy rice is the main food kind plant of China, and national rice growing area is stabilized in 4.5 hundred million mu of left and right always for many years.Along with the continuous propagation and employment of paddy rice cultivation technique, direct seading rice development is particularly swift and violent.Due to its huge advantage with saving of labor's abridged edition, liberation rural productivity, progressively become a kind of tool rice cropping mode with broad prospects for development in the main paddy rice of China producing region at present.Due to planting type and the feature in direct seading rice field, the crop smothering generation problem in direct seading rice field is very outstanding.
How and early direct seading rice field weed kind, taking the grassy weed such as moleplant seed, barnyard grass as sociales, goes out grass, to rice hazard maximum, is secondly the broad leaved weed such as Monochoria vaginalis, pondweed, is sedge weed again.Compared with ploughing transplanting rice field, because direct sowing rice weed and paddy rice synchronous growth, especially moleplant seed, barnyard grass generating capacity are large, make weeds generation total amount high.For direct seading rice field weed occurrence characteristic, at present weed control is still prevented and kill off as main taking chemical agent, takes to close down before bud to process and cauline leaf is tagged to process and combined, and prevents and kill off in conjunction with cultivation simultaneously, occurs and endangers thereby effectively control it.In chemical agent is prevented and kill off, the main pesticide species using has at present: Jing Ke Cao Xing wetting powder, 10% bensulfuron-methyl, 20% methoxone aqua and 25% Bentazon missible oil etc.These products are because service life is longer, and weeds drug resistance is greatly increased.
Cyhalofop-butyl is a kind of efficient, low toxicity diphenyl ether herbicide, paddy field selective herbicide.This kind can only be used as cauline leaf processing in direct seading rice field weed is prevented and kill off process, and bud pre-treatment is invalid.Be mainly used in preventing and kill off the grassy weeds such as barnyard grass, moleplant seed.The preventive effect of moleplant seed is obviously better than to all herbicide for paddy field kinds at present.
KIH 6127 is that a kind of inner sucting conduction type specialty that Japanese combinatorial chemistry is researched and developed is recently removed barnyard grass agent, belong to pyrimidinylthiobenzoate herbicides, it can pass through cauline leaf and the root absorption of weeds, and conduct to rapidly complete stool, suppress acetolactate synthestase (ALS) and amino acid whose biosynthesis, thereby suppress and hinder the cell division in weeds bodies, weeds are stopped growing, finally making weeds albefaction and withered.Be mainly used in live, transplant field rice seedlings rear defence except broad leaved weed, barnyard grass, the weeds such as nutgrass flatsedge.
Summary of the invention
The object of the invention is the multiple weak point existing for current wide spectrum, highy potent herbicide shortage and existing weed killer herbicide, provide a kind of taking missible oil as formulation, there is herbicidal composition efficient, broad spectrum weeding function simultaneously.
The present invention, by active ingredient and emulsifier, solvent composition, is missible oil formulation, and the active ingredient that it is characterized in that composition is cyhalofop-butyl and KIH 6127.
Described cyhalofop-butyl and KIH 6127 account for respectively 5～25% and 3～25% of composition gross mass.
The present invention adopt cyhalofop-butyl and KIH 6127 composite, there is efficient, broad spectrum weeding function, expanded weeding scope simultaneously, effective to multiple prevention and control of weeds such as direct seading rice field barnyard grass, moleplant seed, nutgrass flatsedge, convexutricle sedge herb, wild water chestnut, short arrowhead, water peanut and four ridge surrounding Paspalum distichums, exceed the use of cyhalofop-butyl and two single dose kinds of KIH 6127.The present invention is prevent and kill off can extensive use in all kinds of weeds of rice direct seeding field.
Emulsifier of the present invention and solvent account for respectively 5～15% and 35～87% of composition gross mass.
Solvent can adopt one or the mixture in dimethylbenzene, toluene, methyl alcohol, cyclohexanone, dimethyl formamide, isophorone.
Emulsifier can adopt one or the mixture in WJD-100, agriculture breast 500, NP-10, OP-10, Tween 80.
Product of the present invention can show efficiently, the herbicidal performance of wide spectrum, is mainly used in applying in all kinds of weed controls of rice direct-seeding Tanaka, and crop is had no adverse effects.
Advantage of the present invention: these two kinds of combination of active principles of cyhalofop-butyl and KIH 6127 are used, and have expanded weeding scope and herbicidal effect.Through test determination: cyhalofop-butyl is used for preventing and kill off the grassy weeds such as barnyard grass, moleplant seed, the preventive effect of moleplant seed is obviously better than to all herbicide for paddy field kinds at present.And although KIH 6127 is a kind of broad-spectrum herbicide, annual after paddy field seedling and perennial broadleaf weed are prevented and kill off and all have good effect, poor to the preventive effect of moleplant seed.Therefore cyhalofop-butyl and KIH 6127 composition are reached the direct seading rice field of endangering for main weeds with moleplant seed wide spectrum and synergistic effect are the most remarkable.Secondly use cost reduces, and cyhalofop-butyl and KIH 6127 single dose use cost are higher at present, and the independent result of use of low dosage is not again fine, and therefore cyhalofop-butyl and KIH 6127 are used in combination preventive effect raising, have reduced again agriculture production cost.
Embodiment
Embodiment 1: preparation 15% cyhalofop-butyl KIH 6127 missible oil.
Concrete formula:
Cyhalofop-butyl 10%
Two careless ether 5%
Agriculture breast 500(emulsifier) 10%
Dimethylbenzene (solvent) 75%
Composition weighs cyhalofop-butyl and KIH 6127 by said ratio, missible oil formulation according to the product form that will make, and adopt emulsifier and the solvent of proprietary formula, after fully mixing in enamel stirred tank, add the emulsifier in additive, again stir 30 minutes, through being up to the standards, obtain the large packaging of finished product, and then point packaging.
25 milliliters/mu, the preparation that is made into according to the above ratio, 37.5 milliliters/mu, 50 milliliters/mu to the preventive effect of paddy rice barnyard grass, moleplant seed, nutgrass flatsedge more than 90%, be better than alonely, see with contrast table 1,2 and 3.
table 1 15% cyhalofop-butyl KIH 6127 missible oil is prevented and kill off direct seading rice field moleplant seed, barnyard grass and nutgrass flatsedge
the 20th day density preventive effect
(Wuhan, Hubei)
table 2 15% cyhalofop-butyl KIH 6127 missible oil is prevented and kill off direct seading rice field moleplant seed, barnyard grass and nutgrass flatsedge
the 40th day density preventive effect
(Wuhan, Hubei)
the two careless ether missible oil of table 3 15% cyhalofop-butyl is prevented and kill off direct seading rice field moleplant seed, barnyard grass and nutgrass flatsedge
the 60th day density preventive effect
(Wuhan, Hubei)
Embodiment 2: preparation 12% cyhalofop-butyl KIH 6127 missible oil
Concrete formula:
Cyhalofop-butyl 8%
Two careless ether 4%
Agriculture breast 500(emulsifier) 10%
Dimethylbenzene (solvent) 78%
Production method is with example 1.
30 milliliters/mu, the preparation that is made into according to the above ratio, 45 milliliters/mu, 60 milliliters/mu to the preventive effect of paddy rice barnyard grass, moleplant seed, nutgrass flatsedge also all more than 90%, be also better than cyhalofop-butyl and two products of KIH 6127 are alone simultaneously, see following table 4,5.
table 4 12% cyhalofop-butyl KIH 6127 missible oil is prevented and kill off rice direct seeding field
after annual weed control efficiency (%)-dispenser, strain in 45 days is anti-
(Nanchang)
table 5 12% cyhalofop-butyl KIH 6127 missible oil is prevented and kill off rice direct seeding field
after annual weed control efficiency (%)-dispenser 45 days fresh anti-
(Nanchang)
Claims (3)
1. have a herbicidal composition for broad spectrum weeding function, described composition, by active ingredient and emulsifier, solvent composition, is missible oil formulation, and the active ingredient that it is characterized in that composition is cyhalofop-butyl and KIH 6127.
2. there is according to claim 1 the herbicidal composition of broad spectrum weeding function, it is characterized in that described cyhalofop-butyl and KIH 6127 account for respectively 5～25% and 3～25% of composition gross mass.
3. there is according to claim 1 the herbicidal composition of broad spectrum weeding function, it is characterized in that described emulsifier and solvent account for respectively 5～15% and 35～87% of composition gross mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477097.5A CN104186478A (en) | 2014-09-18 | 2014-09-18 | Weed killer composition with function of broad-spectrum weeding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477097.5A CN104186478A (en) | 2014-09-18 | 2014-09-18 | Weed killer composition with function of broad-spectrum weeding |
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| CN104186478A true CN104186478A (en) | 2014-12-10 |
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| CN201410477097.5A Pending CN104186478A (en) | 2014-09-18 | 2014-09-18 | Weed killer composition with function of broad-spectrum weeding |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105394040A (en) * | 2015-11-30 | 2016-03-16 | 浙江新农化工股份有限公司 | Herbicide composition containing pyriminobac methyl, pyribenzoxim and cyhalofop-butyl, preparation and appliance thereof |
| CN106376588A (en) * | 2016-10-31 | 2017-02-08 | 江苏新农化工有限公司 | Weeding composition containing pyriminobac-methyl and flucetosulfuron and preparation and application thereof |
| CN106577688A (en) * | 2016-10-31 | 2017-04-26 | 江苏新农化工有限公司 | Composition containing metamifop, cyhalofop-butyl and pyriminobac-methyl, preparation and applications thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000027203A1 (en) * | 1998-11-10 | 2000-05-18 | Syngenta Participations Ag | Herbicidal composition |
| CN101999361A (en) * | 2010-12-27 | 2011-04-06 | 陕西韦尔奇作物保护有限公司 | Herbicide composition containing cyhalofop-butyl and pyrimidyloxy (sulfur) benzoate |
| CN103081938A (en) * | 2011-10-31 | 2013-05-08 | 刘晨 | Special herbicide for rice fields |
| CN103814919A (en) * | 2014-02-26 | 2014-05-28 | 江苏富鼎化学有限公司 | Cyhalofop-butyl pyriminobac-methyl penoxsulam oil flowable concentrate |
-
2014
- 2014-09-18 CN CN201410477097.5A patent/CN104186478A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000027203A1 (en) * | 1998-11-10 | 2000-05-18 | Syngenta Participations Ag | Herbicidal composition |
| CN101999361A (en) * | 2010-12-27 | 2011-04-06 | 陕西韦尔奇作物保护有限公司 | Herbicide composition containing cyhalofop-butyl and pyrimidyloxy (sulfur) benzoate |
| CN103081938A (en) * | 2011-10-31 | 2013-05-08 | 刘晨 | Special herbicide for rice fields |
| CN103814919A (en) * | 2014-02-26 | 2014-05-28 | 江苏富鼎化学有限公司 | Cyhalofop-butyl pyriminobac-methyl penoxsulam oil flowable concentrate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105394040A (en) * | 2015-11-30 | 2016-03-16 | 浙江新农化工股份有限公司 | Herbicide composition containing pyriminobac methyl, pyribenzoxim and cyhalofop-butyl, preparation and appliance thereof |
| CN106376588A (en) * | 2016-10-31 | 2017-02-08 | 江苏新农化工有限公司 | Weeding composition containing pyriminobac-methyl and flucetosulfuron and preparation and application thereof |
| CN106577688A (en) * | 2016-10-31 | 2017-04-26 | 江苏新农化工有限公司 | Composition containing metamifop, cyhalofop-butyl and pyriminobac-methyl, preparation and applications thereof |
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