CN103098811B - Penoxsulam-flucetosulfuron weeding composition - Google Patents
Penoxsulam-flucetosulfuron weeding composition Download PDFInfo
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- CN103098811B CN103098811B CN201310029099.3A CN201310029099A CN103098811B CN 103098811 B CN103098811 B CN 103098811B CN 201310029099 A CN201310029099 A CN 201310029099A CN 103098811 B CN103098811 B CN 103098811B
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Abstract
The invention discloses a penoxsulam-flucetosulfuron weeding composition. The weeding composition comprises active ingredients including penoxsulam and flucetosulfuron and the balance of pesticide adjuvants. The weight ratio of the penoxsulam to the flucetosulfuron is 20:1-1:20, and the total content of the penoxsulam and the flucetosulfuron in the composition is 1%-50% by weight percentage. The penoxsulam-flucetosulfuron weeding composition can be processed into suspension agents, dispersible oil suspension agents, wettable powder and water dispersible granules through a pesticide production process according to actual application to control weeds in paddy field. The weeding composition disclosed by the invention has the advantages that the additive or synergistic effect is obviously reflected within a certain proportion range, the control effect of the composition is obviously superior to that of single dosage, the dosage of the pesticide is decreased, the pesticide use cost is reduced, and the adverse effect of the pesticide on the ecological environment is reduced.
Description
Technical field
The present invention relates to penoxsuam and flucetosulfuron Herbicidal combinations, is that to take penoxsuam and flucetosulfuron compound be active ingredient, for preventing and kill off paddy field weed.
Background technology
Chemical method weeding is one of Main Means of paddy field control weeds.In recent years, because penoxsuam large area is used separately, caused a lot of weeds to develop immunity to drugs.Meanwhile, grass when weeds occur is complicated mutually, and grassy weed, broad leaved weed, nutgrass flatsedge have concurrently, and weeds seedling-growing time is uneven, so when weed killer herbicide kind is used separately, all can show defect and limitation in a certain respect.
Penoxsuam, chemical formula:
Chemical name: 2-(2,2-difluoro ethoxy)-N-(5,8-dimethoxy (1,2,4) triazole-(1,5-C) pyrimidine-2-base)-6-trifluoromethyl-benzene sulfanilamide (SN), English name: penoxsulam, penoxsuam is triazolopyrimidine sulfonamide weed killer herbicide, by suppressing acetolactate synthestase (ALS), works, and medicine is via grass cutting blade, sheath portion or root absorption, conduct to meristematic tissue, cause weed growth to stop, yellow, then dead.Grassy weed, nutgrass flatsedge and broadleaved herb are had to good preventive effect.
Flucetosulfuron, chemical formula:
Chemical name: 1-(4; 6-dimethoxypyridin-2 base) the fluoro-1-(methoxyl group of-3-[2-acetoxyl group) propyl group-3-pyridine sulfonyl] urea; English name: flucetosulfuron; flucetosulfuron is a kind of sulfonylurea weed killer herbicide; be the inhibitor of acetolactate synthestase,, by suppressing the ALS enzyme of plant, stop branched-chain amino acid as valine, isoleucine, leucic biosynthesis; final destruction synthesizing of protein, disturbs synthetic and cell division and the growth of DNA.It can absorb by root, stem and the leaf of plant, causes that weed growth stops, chlorosis, apical meristem be dead.
Being mixed of different pesticide species is the common methods of the agriculture disease pest and weed of control.By formulation of pesticide, screening, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the drug-fast generation of disease pest and weed, is the important means that agricultural synthesis is administered.The inventor conducts in-depth research the formula screening of penoxsuam and flucetosulfuron weed killer herbicide, discovery penoxsuam and flucetosulfuron weed killer herbicide are mixed, in certain mixed ratio scope, weeds are had to obvious summation action, after further study, completed the present invention.
Penoxsuam and flucetosulfuron are mixed to combine and there is no at present report.
Summary of the invention
Technical problem to be solved: the object of the invention is to solve the deficiency that above-mentioned weed killer herbicide is actual in using, a kind of efficient, low-cost, composition of being conducive to the weeds comprehensive regulation is provided.
Another object of the present invention is that this Herbicidal combinations is applied to prevent and kill off paddy field weed.
Technical scheme: for achieving the above object, the invention provides a kind of Herbicidal combinations that penoxsuam and flucetosulfuron be active ingredient of take, penoxsuam and flucetosulfuron ratio of weight and number are 1:20～20:1, penoxsuam and the percentage by weight of flucetosulfuron weed killer herbicide weight summation in composition are 1～50%, and surplus is the upper spendable insecticides adjuvant of agricultural.
Described penoxsuam and flucetosulfuron Herbicidal combinations, by pesticide production technology be prepared into suspending agent, dispersible oil-suspending agent, the formulation such as wetting powder, water dispersible granules.The production technology of various application forms all belongs to existing known technology, does not repeat them here.
Penoxsuam provided by the invention and flucetosulfuron Herbicidal combinations, be applied to prevent and kill off paddy field weed.
Penoxsuam provided by the invention and flucetosulfuron composition, adopt the method for directed spraying to use conventionally, also can adopt as required other operation techniques of the upper application of agricultural.
Herbicidal combinations provided by the invention has following beneficial effect.
1, penoxsuam provided by the invention and flucetosulfuron composition, in certain ratio range, show obvious addition or synergistic effect, the control efficiency of composition is significantly improved than single dose, reduced the using dosage of agricultural chemicals, reduce drug cost, reduced the adverse effect of agricultural chemicals to ecotope.
2, penoxsuam provided by the invention and flucetosulfuron composition, the combination of two kinds of active ingredients, can make up that penoxsuam single dose is prevented and kill off broad leaved weed weak effect and flucetosulfuron single dose is prevented and kill off the poor deficiency of grassy weed drug effect.
3, penoxsuam provided by the invention and flucetosulfuron composition, two kinds of active ingredient mechanism of action are different, can overcome the shortcoming that long-term single use easily produces resistance, extend the service life of medicament, the comprehensive regulation important in inhibiting to Weed Resistance.
4, penoxsuam provided by the invention and flucetosulfuron composition, use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Embodiment
embodiment mono-: penoxsuam and flucetosulfuron preparation method of composition.
Preparation method embodiment 1:4% penoxsuam flucetosulfuron suspending agent:
Penoxsuam 2%,
Flucetosulfuron 2%,
Agriculture breast 1601#(emulsifier) 10%,
Soya-bean oil (organic solvent) 5%,
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether (wetting agent) 5%,
Alkylphenol polyoxyethylene formaldehyde condensation products sulphate (dispersant) 4%,
Bentonite (thickener) 3%,
Xanthans (stabilizing agent) 0.3%,
Organosilicon (defoamer) 0.3%,
APG (surfactant) 5%,
Deionized water (medium) is supplemented to 100%.
Above-mentioned material is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 4% penoxsuam flucetosulfuron suspending agent.
Preparation method embodiment 2:5% penoxsuam flucetosulfuron dispersibles oil-suspending agent:
Penoxsuam 2%,
Flucetosulfuron 3%,
Calcium dodecyl benzene sulfonate 5%,
Castor oil polyoxyethylene ether 11%,
Sodium lignin sulfonate 4%,
Methyl oleate is supplemented to 100%.
Above-mentioned material is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 5% penoxsuam flucetosulfuron and dispersibles oil-suspending agent.
Preparation method embodiment 3:10% penoxsuam flucetosulfuron wetting powder:
Penoxsuam 7%,
Flucetosulfuron 3%,
Neopelex (wetting agent) 5%,
Sodium lignin sulfonate (dispersant) 8%,
Talcum powder (filler) 3%,
White carbon (filler) 4%,
Attapulgite (filler) is supplemented to 100%.
Above-mentioned material is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make 10% penoxsuam flucetosulfuron wetting powder.
Preparation method embodiment 4:20% penoxsuam flucetosulfuron water-dispersible granules:
Penoxsuam 15%,
Flucetosulfuron 5%,
Sodium Laurylsulfate (wetting agent) 5%,
Polycarboxylate (dispersant) 6%,
Sodium chloride (disintegrant) 2%,
Polyethylene glycol (binding agent) 3%,
Soluble starch (stabilizing agent) 3%,
Bentonite (filler) is supplemented to 100%.
Above-mentioned material method pulverizing in proportion, granulation, dry, screening are made to 20% penoxsuam flucetosulfuron water-dispersible granules.
embodiment bis-:penoxsuam and flucetosulfuron composition are prevented and kill off rice direct-seeding field weed.
Test period: on May 12nd, 2012.
Test site: Lao Keng village, Ren Shan town, Huidong County, Guangdong Province.
Paddy field situation: after rice growing 22 days, weeds 3 ~ 4 leaves.
Application method: be watered 500 kg/ha sprayings.
Result of the test is in Table 1.Result of the test shows, the preventive effect that penoxsuam of the present invention and flucetosulfuron composition are prevented and kill off paddy field weed reaches more than 96.23%, to rice safety, penoxsuam and flucetosulfuron composition are prevented and kill off paddy field weed successful and are better than 2.5% penoxsuam and dispersible oil-suspending agent and 10% flucetosulfuron wetting powder.
Table 1, penoxsuam and flucetosulfuron Herbicidal combinations are prevented and kill off paddy field weed result of the test.
Claims (3)
1. a penoxsuam and flucetosulfuron Herbicidal combinations, it is characterized in that: active ingredient is penoxsuam and flucetosulfuron weed killer herbicide, all the other are insecticides adjuvant, the ratio of weight and number of penoxsuam and flucetosulfuron is 2: 2～2: 3, and penoxsuam and flucetosulfuron weight summation percentage by weight in composition are 4%～5%.
2. penoxsuam according to claim 1 and flucetosulfuron Herbicidal combinations, is characterized in that: by pesticide production technology, be prepared into suspending agent, dispersibled a kind of in oil-suspending agent.
3. penoxsuam according to claim 1 and the application of flucetosulfuron Herbicidal combinations in preventing and kill off paddy field weed.
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| CN110326476A (en) * | 2019-07-05 | 2019-10-15 | 南京农业大学 | A kind of research auxiliary agent prevents and kill off the indoor biometrics method regulation of farmland weed synergistic effect to herbicide |
| CN113678839A (en) * | 2021-08-31 | 2021-11-23 | 韩农(黑龙江)化工有限公司 | Weeding composition containing flucetosulfuron and cyhalofop-butyl/penoxsulam/metamifop and preparation method thereof |
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| CN101530105A (en) * | 2009-04-21 | 2009-09-16 | 北京颖泰嘉和科技股份有限公司 | Herbicide composition containing sulfonylurea, pyridine and penoxsulam and use thereof |
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