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Herbicide composition for cotton field, preparation thereof, application and application method of composition and preparation
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A herbicide and composition technology, applied in herbicides and algicides, botanical equipment and methods, chemicals for biological control, etc. Low safety and other problems, to achieve the effect of obvious production increase, good cotton safety, and good safety.
Active Publication Date: 2021-07-13
MAXUNITECH INC
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Abstract
Description
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Problems solved by technology
Cotton is a dicotyledonous crop, which is sensitive to various herbicides. The choice of herbicide species is limited, the technical requirements for use are relatively strict, the herbicidal spectrum is narrow, and the safety is low. Weeds, therefore, there is an urgent need to develop herbicides that can effectively control weeds in cotton fields
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Embodiment 145
[0135] Example 1 45% chlorpyrazone·flufenacet suspension concentrate
[0136] components composition% Remark Fluoxetalone 20 Active ingredients Flufenacet 25 Active ingredients surfom D polynaphthalene sulfonate sodium salt 2 Wetting agent, purchased from Oxiteno Atlox 4913 Polycarboxylate Copolymer 5 Dispersant, purchased from Croda Borresperse NA Calcium Lignosulfonate 3 Dispersant, purchased from Borregaard Propylene Glycol 5 antifreeze Magnesium Aluminum Silicate 1 thickener xanthan gum 0.1 thickener BIT 0.1 preservative water Make up 100 solvent
[0137] Weigh the active ingredient, wetting agent, dispersant, antifreeze, thickener, preservative, water, etc. according to the above formula, stir at high speed to disperse evenly, and then grind it to an average particle size of less than 3 μm by a sand mill to obtain 45% fluorine Pyxazone · Flufenacet Suspension Concentrate.
Embodiment 2
[0138] Example 2 21% chlorpyrazone·alachlor emulsifiable concentrate
[0139] components composition% Remark Fluoxetalone 7 Active ingredients Alachlor 14 Active ingredients Nongru 500# calcium dodecylbenzene sulfonate 4 Emulsifier Nongru 600# Styrylphenol Polyoxyethylene Ether 5 Emulsifier Cyclohexanone 35 solvent Solvesso 150 mineral spirits Make up 100 Solvent, purchased from Exxon Mobil
[0140] Weigh the active ingredient, emulsifier, solvent, etc. according to the above formula, stir and dissolve to a homogeneous transparent liquid to obtain 21% flucydone-alachlor emulsifiable concentrate.
Embodiment 3
[0141] Example 3 25% chlorpyrazone·butachlor EC
[0142]
[0143]
[0144] Weigh the active ingredient, emulsifier, solvent, etc. according to the above formula, stir and dissolve to a homogeneous transparent liquid to obtain 25% chlorpyridone·butachlor emulsifiable concentrate.
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Abstract
The invention provides a herbicide composition for a cotton field, a preparation thereof, and application and an application method of of the composition and the preparation, and relates to the technical field of herbicides. The herbicide composition for the cotton field comprises a herbicide A and a herbicide B. The herbicide A is fluridone, and the herbicide B is selected from at least one of a long-chain fatty acid synthesis inhibitor, a microtubule assembly inhibitor, a mitotic inhibitor, a lipid synthesis inhibitor, a photosynthetic system IIA site inhibitor and a fatty acid thioesterase inhibitor. Through mutual synergistic interaction of the herbicide A and the herbicide B, after the herbicide composition preparation is applied to the cotton field, the weed control effect is high, the herbicide controlling spectrum is wide, the safety is good, the selectivity coefficient between cotton and weeds is obviously higher than that of a single herbicide, the yield increasing effect is obvious, meanwhile, the generation of resistance of the single herbicide is delayed, the cost is low, and the herbicide composition preparation is easy to popularize.
Description
technical field [0001] The invention relates to the technical field of herbicides, in particular to a herbicide composition for cotton fields and its preparation, application and application method. Background technique [0002] Cotton belongs to the Malvaceae family and is an important economic crop and source of textile fiber raw materials in the world. There are many factors affecting the yield and quality of cotton, and weeds are one of the factors restricting the sustainable development of cotton. The proportion of weed damage in cotton fields is as high as 56%, causing 14-16% cotton yield loss every year. Weed hazards include: competing with cotton for glory, water and fertilizer, and space; transferring hosts and spreading pests and diseases; greatly increasing the physical and chemical costs of cotton planting (fertilizers, artificial inputs); increasing irrigation costs; reducing cotton production and cotton fiber quality. Therefore, weeding in cotton fields is an...
Claims
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Application Information
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