Weeding composition for preventing and controlling weeds in peanut field
A herbicidal composition and a technology for peanuts are applied in the field of herbicides to achieve the effects of peanut safety, expanding herbicidal spectrum, and wide application period.
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[0027] Greenhouse potting method was used to measure the activity of sulfentrazone and clethodim compound on weeds (this experimental example took Cyperus cyperi as an example), and at the same time compared with sulfentrazone single agent and clethodim single agent, the active components Treat with 0.1% Tween-80 in water.
[0028] Use a plastic nutrient bowl with a diameter of 9 cm, which contains air-dried top soil collected from the farmland, and keep the soil moist by supplying water from the bottom, sow weed seeds with full and uniform grains, and cover the soil with 0.5 cm. There are 15 weeds in the pot. When Cyperus cyperi grows to the 2-leaf stage, spray in the PWT-510 spray tower (the precise spray area is 0.02m2, the spray liquid is 10mL, and the control sprays 0.1% Tween-80 aqueous solution) . Eighteen days after the treatment, the fresh weight of the aboveground part of the weeds was weighed, and the control effect of the fresh weight was calculated, and evaluated...
Embodiment 1
[0034] The dosage form of the herbicidal composition of the present embodiment is a wettable powder, consisting of the following components by weight: 25 parts by weight of sulfentrazone, 10 parts by weight of clethodim, 3 parts by weight of Alkyl naphthalene sulfonate, 2.5 parts by weight of lignosulfonate as a dispersant, 11.5 parts by weight of kaolin as a solid carrier, and 48 parts by weight of white carbon black as a solid carrier.
[0035] Among them, the above-mentioned sulfentrazone and clethodim all come from Jiangsu Agricultural Hormone Engineering Technology Research Center Co., Ltd.; the above-mentioned alkylnaphthalene sulfonate as a wetting agent comes from Morwet EFW of Akzo Nobel; The lignosulfonate of the agent comes from Tensiofix IX of OMNIChem S.A.; the above-mentioned kaolin as a solid carrier comes from China Kaolin Co., Ltd.; the above-mentioned white carbon black as a solid carrier comes from Yangzhong Glass White Carbon Black Chemical Co., Ltd.
[003...
Embodiment 2~ Embodiment 5
[0038] Each embodiment is basically the same as Embodiment 1, and the differences are shown in Table 2.
[0039] Table 2
[0040]
[0041] .
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