CN101897334A - Herbicide prepared by compounding oxyfluorfen and alachlor and preparation method thereof - Google Patents
Herbicide prepared by compounding oxyfluorfen and alachlor and preparation method thereof Download PDFInfo
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- CN101897334A CN101897334A CN2010102316000A CN201010231600A CN101897334A CN 101897334 A CN101897334 A CN 101897334A CN 2010102316000 A CN2010102316000 A CN 2010102316000A CN 201010231600 A CN201010231600 A CN 201010231600A CN 101897334 A CN101897334 A CN 101897334A
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- oxyfluorfen
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Abstract
The invention relates to a herbicide prepared by compounding oxyfluorfen and alachlor and a preparation method thereof. The herbicide comprises the following components in percentage by mass: 3 to 10 percent of oxyfluorfen, 10 to 30 percent of alachlor, 5 to 15 percent of synergistic agent, 8 to 20 percent of emulsifying agent and the balance of solvent. The preparation method comprises the following steps of: mixing the oxyfluorfen and the solvent with stirring according to the mass ratio; mixing the alachlor and the solvent with stirring; mixing a mixture of the oxyfluorfen and the solvent and a mixture of the alachlor and the solvent with stirring; adding the emulsifying agent and the synergistic agent into a reaction kettle together and stirring for 10 to 15 minutes; adding the remaining solvent into the reaction kettle and stirring for 20 to 30 minutes; and then standing, filtering, filling, sampling and analyzing to obtain a finished product. The herbicide is an efficient broad-spectrum herbicide and is applied in a period of 4 to 6 leaves of weeds grown among soybeans, peanuts, corns, vegetables and other crops; one-time herbicide application in the dosage of 55 to 65 g/mu can fully ensure no weeds in an entire growth period of the crops; and the cost of the herbicide application is 25.5 to 34.8 percent lower than that of single application of the oxyfluorfen and the alachlor.
Description
Technical field
The present invention relates to a kind of weed killer herbicide and manufacture method thereof, be specifically related to weed killer herbicide that diphenyl ether Oxyfluorfen and acetamide-group herbicides alachlor binary built make and preparation method thereof.
Background technology
Oxyfluorfen is a kind of contact killing type weed killer herbicide, and performance grass effect extremely under the situation of light is being arranged.Application effect is best in early days before the bud and behind the bud.Alachlor is acetamide-group herbicides, and it is effective that dry crop is prevented and kill off annual weed.But two kinds of single uses of single agent, a dispenser can not realize that all crop does not have crop smothering the time of infertility.
Summary of the invention
The object of the invention is intended to solve that above-mentioned weed killer herbicide exists can not reach the problem that a drug crop does not have crop smothering the time of infertility, weed killer herbicide that a kind of Oxyfluorfen and alachlor binary built make and preparation method thereof is provided, is called for short " hundred green bristlegrass are removed day wolf No. 8 " and preparation method thereof.
Realize the technical scheme of the object of the invention:
The weed killer herbicide that a kind of Oxyfluorfen and alachlor binary built are made is characterized in that, it is grouped into by the one-tenth of following mass percent: Oxyfluorfen 3-10%, alachlor 10-30%, synergist 5-15%, emulsifier 8-20%, the solvent surplus, each constituent mass percentage sum is 100%;
Wherein, described synergist is the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin; Described emulsifier is a castor oil polyoxyethylene ether 2201; Described solvent is an acetone or alcohol.
The weed killer herbicide that described a kind of Oxyfluorfen and alachlor binary built are made, its mass percent consists of: Oxyfluorfen 3-10%, alachlor 12-30%, synergist 6-15%, emulsifier 8-18%, solvent surplus.
The weed killer herbicide that described a kind of Oxyfluorfen and alachlor binary built are made, its mass percent consists of: Oxyfluorfen 4-10%, alachlor 14-30%, synergist 7-15%, emulsifier 8-16%, solvent surplus.
The weed killer herbicide that described a kind of Oxyfluorfen and alachlor binary built are made, its mass percent consists of: Oxyfluorfen 3-9%, alachlor 15-30%, synergist 7-14%, emulsifier 8-16%, solvent surplus.
The weed killer herbicide that described a kind of Oxyfluorfen and alachlor binary built are made, its mass percent consists of: Oxyfluorfen 4-9%, alachlor 16-30%, synergist 7.5-13%, emulsifier 8-15%, solvent surplus.
The weed killer herbicide that described a kind of Oxyfluorfen and alachlor binary built are made, its mass percent consists of: Oxyfluorfen 4.5-8.5%, alachlor 18-28%, synergist 7-12%, emulsifier 8-15%, solvent surplus.
The weed killer herbicide that described a kind of Oxyfluorfen and alachlor binary built are made, its mass percent consists of: Oxyfluorfen 4-8%, alachlor 18-26%, synergist 7.5-12.5%, emulsifier 8-14%, solvent surplus.
The weed killer herbicide that described a kind of Oxyfluorfen and alachlor binary built are made, its mass percent consists of: Oxyfluorfen 4.5-7.5%, alachlor 18-25%, synergist 8-12%, emulsifier 8-13%, solvent surplus.
The weed killer herbicide that described a kind of Oxyfluorfen and alachlor binary built are made, its mass percent consists of: Oxyfluorfen 5-7.5%, alachlor 18-24%, synergist 8-12%, emulsifier 8-12%, solvent surplus.
The weed killer herbicide that described a kind of Oxyfluorfen and alachlor binary built are made, its mass percent consists of: Oxyfluorfen 4.5-8%, alachlor 18-26%, synergist 7.5-12%, emulsifier 8-14%, solvent surplus.
The used former medicine mass content of Oxyfluorfen of above-mentioned embodiment is 95%, and the former medicine mass content of alachlor is 95%.The raw materials used title of the present invention, structural formula and physicochemical property are as follows:
A, Chinese adopted name: Oxyfluorfen
English common name: oxyfluoyfen
Trade name: if so (Goal)
Chemical name: 2-chloro-1-(3-ethyoxyl-4-nitrophenoxy)-4-(trifluoromethyl) benzene
Chemical structural formula:
Physicochemical property: former pharmaceutically active ingredient content is 70-80%, and is yellow to bronzing, semisolid, and proportion 1.49 (25 ℃), boiling point 250-300 ℃, 70% former medicine fusing point is 59-78 ℃; 80% former medicine is 68-83 ℃, and flash-point is greater than 93.33 ℃ (encloseds), and vapour pressure is 2 * 10 in the time of 25 ℃
-6Millimetres of mercury, water-soluble hardly at normal temperatures (solvability 25 ℃ the time in water is less than 1ppm), the solvability in acetone, ethanol, dimethylbenzene is greater than 50%, in isopropylidene acetone, dichloroethylene greater than 40%, photodissociation easily.
Chinese adopted name: alachlor
English common name: alachior
Trade name: drag-line, Australia Te Lasuo, CP50144, alachlor
Chemical name: alpha-chloro-2 ', 6 '-diethyl-N-(methoxyl methyl) acetanil
Chemical structural formula:
Physicochemical property: former medicine is the tasteless non-volatile crystalline solid of milky, proportion is 1.133 (250/15.6 ℃), and fusing point is 39.5-41.5 ℃, 100 ℃ of boiling points (0.02 millimetres of mercury) and 135 ℃ (0.3 millimetres of mercury), decompose in the time of 105 ℃, vapour pressure is 2.2 * 10 in the time of 24 ℃
-5Millimetres of mercury, solvability 242ppm in water (25 ℃) can be dissolved in organic solvents such as ether, acetone, benzene, chloroform, ethanol, hydrolyzable under the strong acid and strong base condition; But it is higher to the relevant antagonism that ultraviolet radiation is decomposed.
The invention solves existing weed killer herbicide and use crop not wide, the disadvantage that the weeding kind is few is a kind of high-efficiency broad spectrum weed killer herbicide.This preparation is applicable to the crop weeds 4-6 leaf phases such as soybean, peanut, corn, vegetables, cotton, mu restrains with 55-65, prevent and kill off perennial weeds such as non-irrigated barnyard grass, green foxtail, lady's-grass, eleusine indica, wild oat, amur foxtail, bromegrass, arm shape grass and reed, Bermuda grass, Paspalum distichum, a dispenser can reach effective control field weed community harm fully, realize that crop does not have crop smothering the time of infertility, and, succession crop there is not any harmful effect to crop safety.Mu hangs down 25.5-34.8% with commodity dose 55-65g, dispenser cost than Oxyfluorfen and alachlor single administration.
Description of drawings
Fig. 1 is Oxyfluorfen and alachlor binary built system weed killer herbicide process chart
Preparing process explanation: take by weighing the former medicine solubilizer of Oxyfluorfen by above-mentioned mass ratio earlier and place enamel reaction still to stir 10 minutes; Taking by weighing the former medicine solubilizer of alachlor by above-mentioned mass ratio places enamel reaction still to stir 15-20 minute; Alachlor after Oxyfluorfen after solubilizer stirred stirs with solubilizer was blended in the reactor stirring 10 minutes; Emulsifying agent, synergist that quality is in proportion taken by weighing join in the lump in the aforesaid reaction vessel and stirred 10-15 minute; Add again stirring solvent 20-30 minute of surplus; Leave standstill, filtration, can and sample analysis, namely make herbicide " hundred green bristlegrass except day wolf No. 8 " finished product of Oxyfluorfen and alachlor binary built system.
Embodiment
Embodiment 1
Get Oxyfluorfen 3 grams and add 5 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 30 grams add 35 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 8 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 10 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 20 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 2
Get Oxyfluorfen 4 grams and add 6 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 25 grams add 30 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 7.5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 10.5 gram emulsifier castor oil polyoxyethylene ether 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 25 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 3
Get Oxyfluorfen 4.5 grams and add 6 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 24.5 grams add 30 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 8 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 8 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 4
Get Oxyfluorfen 4.5 grams and add 7 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 22 grams add 28 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 20 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 5
Get Oxyfluorfen 5 grams and add 8 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 20 grams add 25 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 7 and restrain the herbicide synergist (Silwet) 625 that contains Tea Saponin, 10 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 6
Get Oxyfluorfen 5.5 grams and add 10 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 21 grams add 25 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 15 and restrain the herbicide synergist (Silwet) 625 that contains Tea Saponin, 15 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 7
Get Oxyfluorfen 5 grams and add 10 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 20.5 grams add 25 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 10 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 9 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 8
Get Oxyfluorfen 6 grams and add 10 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 19 grams add 25 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 8 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 11 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 9
Get Oxyfluorfen 10 grams and add 15 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 15 grams add 20 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 9 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 12 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 10
Get Oxyfluorfen 10 grams and add 15 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 10 grams add 20 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 7 and restrain the herbicide synergist (Silwet) 625 that contains Tea Saponin, 10.5 gram emulsifier castor oil polyoxyethylene ether 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 11
Get Oxyfluorfen 5.5 grams and add 10 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 19 grams add 25 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 10 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 17.5 gram emulsifier castor oil polyoxyethylene ether 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 12
Get Oxyfluorfen 5.2 grams and add 10 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 20.5 grams add 30 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 8.5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 18 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 13
Get Oxyfluorfen 4.8 grams and add 10 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 23.5 grams add 30 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 8.5 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 11 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
Embodiment 14
Get Oxyfluorfen 5 grams and add 10 milliliters of ethanol (or acetone), stirring and dissolving; Alachlor 21.5 grams add 30 milliliters of ethanol (or acetone), stirring and dissolving; Two kinds of solution are mixed, add 8 and restrain the pesticide synergistic agent (Silwet) 625 that contains Tea Saponin, 13 gram emulsifier castor oil polyoxyethylene ethers 2201, stirred 15 minutes, the ethanol (or acetone) that adds surplus is made into gross mass 100 grams, stirs 30 minutes, leaves standstill, filter, obtain the weed killer herbicide that Oxyfluorfen and alachlor binary built are made.
The key technical indexes of the weed killer herbicide that Oxyfluorfen of the present invention and alachlor binary built are made " hundred green bristlegrass are removed day wolf No. 8 " typical products sees Table 1
Table 1
Annotate: when ordinary production, product low-temperature stability, heat storage stability detected once in per 6 months at least.
Embodiment 15
" hundred green bristlegrass are removed day wolf No. 8 " of the present invention weed killer herbicide application example
The weed killer herbicide that Oxyfluorfen of the present invention and alachlor binary built are made carries out 50 square metres lab scale test respectively on soybean, cotton crop in academy of agricultural sciences's farmland weed research department, Hubei Province's in May, 2010, test is killed the effect of weeds and listed table 2 in.Listed file names with mass content 24% Oxyfluorfen in the table, the effect of mass content 48% alachlor management of weeds on cotton crop.Data show that the effect of " hundred green bristlegrass are removed day wolf No. 8 " of the present invention management of weeds is than single use Oxyfluorfen and the high 16.1-32.3% of alachlor effect in the table.This explanation " hundred green bristlegrass except that day wolf No. 8 " of the present invention weed killer herbicide except that scientific formulation rationally, (Silwet) 625 synergist and emulsifier have played huge physical action in product structure.
Table 2 cotton crop preventing weeding weeds effect
The weed killer herbicide using method that Oxyfluorfen of the present invention and alachlor binary built are made:
Soybean, corn, cotton crop weeds 4-6 leaf phase, mu is converted water and is taked the low pressure directed spraying for 35 kilograms with this product 55-65 gram, and a dispenser can reach effective control field weed community harm fully, realizes that crop does not have crop smothering the time of infertility.
Claims (10)
1. the weed killer herbicide made of Oxyfluorfen and alachlor binary built is characterized in that its mass percent consists of: Oxyfluorfen 3-10%, alachlor 10-30%, synergist 5-15%, emulsifier 8-20%, the solvent surplus, each constituent mass percentage sum is 100%;
Wherein, described synergist is the pesticide synergistic agent 625 that contains Tea Saponin, and described emulsifier is a castor oil polyoxyethylene ether 2201; Described solvent is an acetone or alcohol.
2. the weed killer herbicide that Oxyfluorfen according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: Oxyfluorfen 3-10%, alachlor 12-30%, synergist 6-15%, emulsifier 8-18%, solvent surplus.
3. the weed killer herbicide that Oxyfluorfen according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: Oxyfluorfen 4-10%, alachlor 14-30%, synergist 7-15%, emulsifier 8-16%, solvent surplus.
4. the weed killer herbicide that Oxyfluorfen according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: Oxyfluorfen 3-9%, alachlor 15-30%, synergist 7-14%, emulsifier 8-16%, solvent surplus.
5. the weed killer herbicide that Oxyfluorfen according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: Oxyfluorfen 4-9%, alachlor 16-30%, synergist 7.5-13%, emulsifier 8-15%, solvent surplus.
6. the weed killer herbicide that Oxyfluorfen according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: Oxyfluorfen 4.5-8.5%, alachlor 18-28%, synergist 7-12%, emulsifier 8-15%, solvent surplus.
7. the weed killer herbicide that Oxyfluorfen according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: Oxyfluorfen 4-8%, alachlor 18-26%, synergist 7.5-12.5%, emulsifier 8-14%, solvent surplus.
8. the weed killer herbicide that Oxyfluorfen according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: Oxyfluorfen 4.5-7.5%, alachlor 18-25%, synergist 8-12%, emulsifier 8-13%, solvent surplus.
9. the weed killer herbicide that Oxyfluorfen according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: Oxyfluorfen 5-7.5%, alachlor 18-24%, synergist 8-12%, emulsifier 8-12%, solvent surplus.
10. the weed killer herbicide that Oxyfluorfen according to claim 1 and alachlor binary built are made is characterized in that, its mass percent consists of: Oxyfluorfen 4.5-8%, alachlor 18-26%, synergist 7.5-12%, emulsifier 8-14%, solvent surplus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102316000A CN101897334A (en) | 2010-07-15 | 2010-07-15 | Herbicide prepared by compounding oxyfluorfen and alachlor and preparation method thereof |
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| CN2010102316000A CN101897334A (en) | 2010-07-15 | 2010-07-15 | Herbicide prepared by compounding oxyfluorfen and alachlor and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110583665A (en) * | 2019-10-17 | 2019-12-20 | 美丰农业科技(上海)有限公司 | Preparation method and application of quinclorac oil suspension herbicide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1481682A (en) * | 2002-09-09 | 2004-03-17 | 滨州侨昌有限公司 | Binary compound herbicide |
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- 2010-07-15 CN CN2010102316000A patent/CN101897334A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1481682A (en) * | 2002-09-09 | 2004-03-17 | 滨州侨昌有限公司 | Binary compound herbicide |
Non-Patent Citations (4)
| Title |
|---|
| 《农药学学报》 20040630 韦小燕等 "丁草胺、乙氧氟草醚对杂草的毒力及混配的协同增效作用" 第32-36页 1-10 第6卷, 第2期 * |
| 《农药科学与管理》 20050825 王同涛等 "20%乙氧氟草醚水乳剂的研制" 第25-27页 1-10 第26卷, 第8期 * |
| 王同涛等: ""20%乙氧氟草醚水乳剂的研制"", 《农药科学与管理》 * |
| 韦小燕等: ""丁草胺、乙氧氟草醚对杂草的毒力及混配的协同增效作用"", 《农药学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110583665A (en) * | 2019-10-17 | 2019-12-20 | 美丰农业科技(上海)有限公司 | Preparation method and application of quinclorac oil suspension herbicide |
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Application publication date: 20101201 |