CN104381284A - Herbicide emulsifiable concentrate preparation containing pentoxazone and amidosulfuron - Google Patents
Herbicide emulsifiable concentrate preparation containing pentoxazone and amidosulfuron Download PDFInfo
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- CN104381284A CN104381284A CN201410631549.0A CN201410631549A CN104381284A CN 104381284 A CN104381284 A CN 104381284A CN 201410631549 A CN201410631549 A CN 201410631549A CN 104381284 A CN104381284 A CN 104381284A
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- amidosulfuron
- pentoxazone
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- herbicide
- emulsionable herbicides
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Abstract
The invention relates to a herbicide emulsifiable concentrate preparation containing pentoxazone and amidosulfuron. The active ingredients, pentoxazone and amidosulfuron, in the herbicide are mutually mixed to provide a broad weed control spectrum. The active ingredients in the herbicide are matched to play a very good synergy role in a certain range, so that the herbicide is higher in control effect than a single agent, and the drug property maintenance time is long; the herbicide is extremely safe to cereal crops.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron.
Background technology
Pentoxazone, chemical name 3-(the chloro-5-cyclopentyloxy of 4--2-fluorophenyl)-5-isopropyl alkene-1,3-oxazoles quinoline-2,4-diketone, structural formula
, belong to oxazoline ketone, sterling is colourless, tasteless powdery solid; Fusing point 104 DEG C; Density 1.418 (25 DEG C); Vapour pressure is <1.11 × 10-5Pa (25 DEG C).Distribution coefficient LogP=0.67; In water, solvability is 0.216 mg/l (25 DEG C); To light, heat, absolute acid stability, unstable to alkali.Be mainly used in preventing and kill off barnyard grass and annual weed etc.Take p-fluorophenol as initiation material, through the nitrobenzene that chlorination, esterification, nitrated obtained intermediate replace; Through being hydrolyzed the phenol sylvite that obtained intermediate replaces; Again through etherificate, the aniline making replacement that reduces; After last and ethyl chloroformate reacts, namely obtain object with senecioic acid ester condensation.
Amidosulfuron chemical name is 1-(4,6-dimethoxypyridin-2-base)-3-mesyl (methyl) aminosulfonyl urea, and structural formula is
, belong to sulfonylurea, sterling is white granular solid; Fusing point 160 ~ 163 DEG C; Density 1.5 (20 DEG C); Vapour pressure is 2.2 × 10-5Pa (20 DEG C).Distribution coefficient LogP (20 DEG C)=1.63 (pH 2); Solvability (20 DEG C, mg/l) is: 3.3 (pH 3), 9 (pH 5.8), 13500 (pH 10) in water, isopropyl alcohol 99, methyl alcohol 872, acetone 8100; At room temperature deposit and stablize for 24 months; P K a 3.58.Amidosulfuron is the inhibitor of acetolactate synthestase (ALS).Absorbed by weeds root and leaf, conduct in plant body, namely weeds stop growing, leaf look chlorisis, then withered.With methylsulfonamides, dimethoxypyridin amine for initiation material, can obtain.Be mainly used in preventing and kill off broad leaved weed, effective especially to clearvers etc.
Above two kinds of medicines, after long-term being used alone, all easily making plant germ develop immunity to drugs, cause the problems such as dosage increasing, preventive effect reduction, lasting period shortening, be unfavorable for environment sustainable development.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron.Effective active composition pentoxazone, the mutual mixture broad weed-killing spectrum of amidosulfuron in weed killer herbicide of the present invention; Active ingredient in weed killer herbicide of the present invention coordinates good synergistic effect within the specific limits, and preventive effect is higher than single dose, and the property of medicine is held time length; Extremely safe to cereal crop.
A kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron of the present invention is realized by following technical scheme: the active ingredient of described weed killer herbicide comprises: pentoxazone, amidosulfuron.Wherein, pentoxazone, amidosulfuron account for 60-85 part of weed killer herbicide gross mass, also comprise emulsifier 5-15 part by weight, solvent 30-50 part.
Described pentoxazone, the part by weight of amidosulfuron are 1-20:1-20.
Further, the part by weight of pentoxazone, amidosulfuron is 10-20:3.
Preferably, the part by weight of pentoxazone, amidosulfuron is 20:3.
Pentoxazone, amidosulfuron are dissolved in a solvent, adds emulsifier, be uniformly mixed the cream preparation of i.e. this weed killer herbicide obtained.
Described emulsifier is castor oil polyoxyethylene ether.
Described solvent is dimethylbenzene.
This Emulsionable herbicides preparation is for weeding before cereal crop seedling.
Beneficial effect of the present invention:
In weed killer herbicide of the present invention, effective active composition pentoxazone, the mutual mixture of amidosulfuron can not produce conflict; Broad weed-killing spectrum, effectively can improve herbicidal effect relative to single-activity composition; Active ingredient in weed killer herbicide of the present invention coordinates good synergistic effect within the specific limits, and preventive effect is higher than single dose, and the property of medicine is held time length, decreases agricultural chemicals Reusability number of times, reduces Pesticide use amount, reduce the use cost of agricultural chemicals; Extremely safe to cereal crop.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described, so that those skilled in the art more understands the present invention, but does not therefore limit the present invention.
Embodiment 1
A kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron of the present invention comprises by weight: pentoxazone 60 parts, amidosulfuron 9 parts, emulsifier 7 parts, solvent 35 parts.
Pentoxazone, amidosulfuron are dissolved in a solvent, adds emulsifier, be uniformly mixed the cream preparation of i.e. this weed killer herbicide obtained.
Described emulsifier is castor oil polyoxyethylene ether.
Described solvent is dimethylbenzene.
This Emulsionable herbicides preparation is for weeding before cereal crop seedling.
This weed killer herbicide is 93.8% to weeds of wheat control rate, to crop safety, to succession crop corn safety.
Embodiment 2
A kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron of the present invention comprises by weight: pentoxazone 70 parts, amidosulfuron 10.5 parts, emulsifier 12 parts, solvent 42 parts.
Pentoxazone, amidosulfuron are dissolved in a solvent, adds emulsifier, be uniformly mixed the cream preparation of i.e. this weed killer herbicide obtained.
Described emulsifier is castor oil polyoxyethylene ether.
Described solvent is dimethylbenzene.
This Emulsionable herbicides preparation is for weeding before cereal crop seedling.
This weed killer herbicide is 92.6% to cereal crop control of weeds rate, to crop and succession crop safety, has no adverse effects.
Embodiment 3
A kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron of the present invention comprises by weight: pentoxazone 40 parts, amidosulfuron 40 parts, emulsifier 14 parts, solvent 45 parts.
Pentoxazone, amidosulfuron are dissolved in a solvent, adds emulsifier, be uniformly mixed the cream preparation of i.e. this weed killer herbicide obtained.
Described emulsifier is castor oil polyoxyethylene ether.
Described solvent is dimethylbenzene.
This Emulsionable herbicides preparation is for weeding before cereal crop seedling.
This weed killer herbicide is 58.1% to cereal crop control of weeds rate.
Claims (8)
1. one kind contains the Emulsionable herbicides preparation of pentoxazone and amidosulfuron, it is characterized in that, the active ingredient of described weed killer herbicide comprises: pentoxazone, amidosulfuron, wherein, pentoxazone, amidosulfuron account for 60-85 part of weed killer herbicide gross mass, also comprise emulsifier 5-15 part by weight, solvent 30-50 part.
2. a kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron according to claim 1, it is characterized in that, described pentoxazone, the part by weight of amidosulfuron are 1-20:1-20.
3. a kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron according to claim 2, it is characterized in that, the part by weight of pentoxazone, amidosulfuron is 10-20:3.
4. a kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron according to claim 1, it is characterized in that, the part by weight of pentoxazone, amidosulfuron is 20:3.
5. a kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron according to claim 1, it is characterized in that, pentoxazone, amidosulfuron are dissolved in a solvent, adds emulsifier, be uniformly mixed the cream preparation of i.e. this weed killer herbicide obtained.
6. a kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron according to claim 1, it is characterized in that, described emulsifier is castor oil polyoxyethylene ether.
7. a kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron according to claim 1, it is characterized in that, described solvent is dimethylbenzene.
8. a kind of Emulsionable herbicides preparation containing pentoxazone and amidosulfuron according to claim 1, it is characterized in that, this Emulsionable herbicides preparation is for weeding before cereal crop seedling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631549.0A CN104381284A (en) | 2014-11-12 | 2014-11-12 | Herbicide emulsifiable concentrate preparation containing pentoxazone and amidosulfuron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631549.0A CN104381284A (en) | 2014-11-12 | 2014-11-12 | Herbicide emulsifiable concentrate preparation containing pentoxazone and amidosulfuron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104381284A true CN104381284A (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410631549.0A Pending CN104381284A (en) | 2014-11-12 | 2014-11-12 | Herbicide emulsifiable concentrate preparation containing pentoxazone and amidosulfuron |
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| CN (1) | CN104381284A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106797946A (en) * | 2017-01-11 | 2017-06-06 | 郭少波 | A kind of composition pesticide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN1382376A (en) * | 2001-04-25 | 2002-12-04 | 陈丰喜 | Herbicide composition |
-
2014
- 2014-11-12 CN CN201410631549.0A patent/CN104381284A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN1382376A (en) * | 2001-04-25 | 2002-12-04 | 陈丰喜 | Herbicide composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106797946A (en) * | 2017-01-11 | 2017-06-06 | 郭少波 | A kind of composition pesticide |
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Application publication date: 20150304 |