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A herbicide and composition technology, which is applied in the directions of herbicides and algaecides, biocides, biocides, etc., can solve the problems of complex grass phase, can not completely solve the problems of farmland weeds, weeds producing drug resistance, etc. Extends life, overcomes resistance, reduces use dose
Inactive Publication Date: 2019-07-19
JIANGSU INST OF ECOMONES
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[0003] Chemical weed control is one of the main means of weed control in soybean fields, and the use of a single compound herbicide can easily lead to weed resistance
At the same time, when weeds occur in soybean fields, the grass phases are complex, grass weeds, broad-leaved weeds and other types of weeds are mixed, and the use of a single compound herbicide will show some defects and limitations, which cannot be completely solved. farm weeds
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[0030] The preparation method is as follows: after mixing oxoxalic acid, chlorester-sulam and fomesafen with the solvent, and then adding other materials into the reactor mixer, stirring evenly, injecting the materials into a multi-stage sand mill for grinding, The fineness of the ground material is 98% and passes through 1-5μm, and then the material is discharged, and the material is transferred to a high-shear emulsification kettle, and after emulsification, it can be made into 18% oil suspension of oxoxalic acid, cloxazone and fomesafen agent.
[0036] The preparation method is the same as in Example 1.
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Abstract
The invention relates to the technical field of pesticide composition and particularly discloses a herbicide composition which comprises active components of propaquizafop, cloransulam-methyl and fomesafen in a mass ratio of 1-8 to 3-25 to 3-25. After being compounded, the propaquizafop, the cloransulam-methyl and the fomesafen have herbicide activity greater than that of propaquizafop, cloransulam-methyl and fomesafen which are independently used for test samples of crab grass, eleusine indica, amaranthus retroflexus and cyperus rotundus, and have synergism functions; after compounding, the herbicide controlling spectrum can be widened, and the use dosage can be reduced; the pesticide composition of the propaquizafop, the cloransulam-methyl and the fomesafen have different effective component action mechanisms, the defect that resistance can be caused when one product is singly used for a long time can be overcome, the service life of a herbicide can be prolonged, and the herbicide composition has a great significance on comprehensive treatment on grass resistance.
Description
technical field [0001] The invention relates to the technical field of pesticide compositions, in particular to a herbicide composition. Background technique [0002] Weeds in soybean fields mainly include: annual grass weeds such as barnyardgrass, foxtail, and amaranthus; Perennial weeds such as lettuce, big thistle, and spinach. Weed damage is one of the important reasons for soybean yield reduction. [0003] Chemical weed control is one of the main means of weed control in soybean fields, and the use of a single compound herbicide can easily lead to weed resistance. At the same time, when weeds occur in soybean fields, the grass phases are complex, grass weeds, broad-leaved weeds and other types of weeds are mixed, and the use of a single compound herbicide will show some defects and limitations, which cannot be completely solved. Farmland weeds. The combination of different types of compound herbicides can expand the herbicidal spectrum, improve the actual effect, de...
Claims
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