Weedicide composition containing dimethenamid-p and pendimethalin
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A technology of refined dimethenamid and herbicidal composition, which is applied in the field of herbicidal composition containing refined dimenamid and pendimethalin, and can solve the problems of herbicidal composition and application that no one has reported. Achieve the effect of delaying key drug resistance, reducing production cost and use cost, and obvious synergistic effect
Inactive Publication Date: 2013-06-05
HAILIR PESTICIDES & CHEM GRP
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And no one has reported about the compounded herbicidal composition and application of refined dimethenamid and pendimethalin
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[0030] Example: Combined toxicity test of different proportions of refined dimethenamid and pendimethalin.
[0031] 1.1 Drugs to be tested:
[0032]96% of the refined dimethenamid technical and 97% of the pendimethalin technical, all of which are provided by the R&D Department of Hailier Pharmaceutical Co., Ltd.
[0033] 1.2 Test target:
[0034] Setaria.
[0035] 1.3 Experimental steps:
[0036] Potted stem and leaf treatment method (NY / T1155.4-2006): put quantitative soil in a plastic pot with a height of 6 cm and a diameter of 9 cm, sow 15-20 grains of the target weed seeds in the plastic pot, and cover with 0.5 After the weeds grow to the 2-4 leaf stage, the stems and leaves are sprayed with 1 mL of liquid per pot, and each treatment is repeated 4 times, and the treatment without chemicals is set as control. After the treatment, the plants were cultured in the greenhouse, and the growth of the target weeds was regularly observed. After 15 days, the symptoms and growth...
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Abstract
The invention relates to a weedicide composition containing dimethenamid-p and pendimethalin. The mass ratio of the active components (dimethenamid-p and pendimethalin) in the weedicide composition is (1-70):(70-1); the total mass of the active components (dimethenamid-p and pendimethalin) in the preparation accounts for 1-80% of the total mass of the preparation, and the rest is auxiliary components which are allowed to use and accepted in the weedicide; and the preparation formulation of the weedicide composition can be emulsifiable oil, suspending agent, wettable powder, water-dispersible granules, water emulsion, microemulsion, granules and microcapsules. The invention can be widely used for weed control in fields of multiple crops such as corns, soybeans, beets, peanuts, cotton, direct seeding upland rice, potatoes, tobacco, vegetables and the like.
Description
technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to a herbicidal composition containing refined dimethenamid and pendimethalin. Background technique [0002] Dimethenamid is an amide herbicide. It is suitable for crops such as corn, soybean, peanut and sugar beet, and can control a variety of annual grass weeds such as barnyardgrass, crabgrass, beef tendon, foxtail, etc. Combat grass, fragrant chamomile, Spartina and oil sedge, etc. Safe for crops. 2-Chloro-N-(2,4-dimethyl-3-thienyl)-N-(2-methoxy-1-methylethyl)acetamide . [0003] Pendimethalin is an excellent selective herbicide for upland crops, which can be widely used in corn, soybean, peanut, cotton, direct-directed upland rice, potato, tobacco, vegetables and other crop fields for weeding. At present, pendimethalin is the third largest herbicide in the world, second only to glyphosate and paraquat in sales, and it is also the largest selective herbicide i...
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