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A herbicidal composition, wheat field technology, applied in the directions of herbicides and algicides, biocides, animal repellents, etc.
Active Publication Date: 2013-04-24
农心作物科技股份有限公司
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[0008] In order to overcome the defect of existing single prep
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Embodiment 1
[0027] Weigh 0.4% florasulam, 9% fluroxypyr, 25.7% chloroisooctyl, 4% TERSPERSE 4894, 1.5% TERSPERSE 2500, 2% TERSPERSE 2020 (produced by Huntsman, USA) , 1% magnesium aluminum silicate, 0.2% xanthan gum, 5% ethylene glycol, 0.5% formaldehyde, 0.5% silicone defoamer (trade name: s-29 produced by Nanjing Sixin Applied Chemicals Company), deionization Water is added to 100% by weight. The above raw materials were mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to prepare a 35.1% florasulam·fluroxyfen·2-methyl-4-chloroisooctyl suspension concentrate.
Embodiment 2
[0029]Weigh 0.4% florasulam, 12% fluroxypyr, 35.6% 2-methyl-4-chloroisooctyl, 5% TERSPERSE 4894, 2% TERSPERSE 2500, 3% TERSPERSE 2020, 0.2% xanthan gum, 5 % propylene glycol, 0.5% benzoic acid, 0.5% organosilicon defoamer, and deionized water are added to 100% by weight. The above raw materials were mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to prepare a 48% florasulam·fluroxyfen·2-methyl-4-chloroisooctyl suspension concentrate.
Embodiment 3
[0031] Weigh 0.8% florasulam, 6% fluroxypyr, 15.8% 2-methyl-4-chloroisooctyl, 2% TERSPERSE 2020, 4% Span-60#, 3% Tween-60#, 4% %Nongru 2201#, 3%Nongru 700#, 1%TERSPERSE 2500, 0.5% white carbon black, 5% propylene glycol, methyl oleate added to 100% by weight. The above raw materials were mixed, dispersed at high speed for 30 minutes, and sand-milled with a sand mill to prepare 22.6% florasulam · fluroxyfen · 2-methyl-4-chloroisooctyl dispersible oil suspension concentrate.
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Abstract
The invention discloses a wheat paddock weeding composition. The composition comprise the active ingredients of florasulam, fluroxypyr and MCPA-isooctyl in a weight ratio of (0.2-1.2):(5-20):(15-60). The composition can be formulated into a suspending agent, a dispersible oil suspending agent, suspension emulsion and a creaming agent, is reasonable in component, has a good weeding effect and is low in use cost; besides a remarkable weeding effect, the composition has obvious synergism compared with an existing single preparation and an existing binary mixed preparation since the activity and the weeding effect of the composition are not realized by the simple superposition of the activity and the weeding effects of the active ingredients; and the composition is good in safety and meets the safety requirements of agricultural chemicals, and the weeding activity of the composition to wheat paddock weeds is high.
Description
technical field [0001] The invention relates to a wheat field herbicidal composition, the active ingredients of which are florasulam, fluroxyfen and 2-methyl-4-chloroisooctyl, which belong to the technical field of compound pesticides. Background technique [0002] Flosulam, also known as Maishida, English common name Florasulam, chemical name: 2',6'-difluoro-5-ethoxy-8-fluoro[1,2,4]triazole[1, 5-C] pyrimidine-2-sulfonanilide. Flusulam is a super-efficient herbicide of the triazolopyrimidine sulfonamide class, mainly used to control broad-leaved weeds in wheat fields, such as pig worms, chickweed, and Maijiagong, etc., but The control effect on Artemisia sativa and shepherd's purse is average, but the effect on weeds is slow when used alone, and the weeds are not completely killed, and there is a phenomenon of regeneration. [0003] Fluroxypyr, also known as: make it long, fluroxypyr, English common name fluroxypyr, chemical name: 4-amino-3,5-dichloro-6-fluoro-pyridine-2-p...
Claims
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