In recent years, the threat of Qianjin gold in direct seeding rice fields has become increasingly serious, and it has a great impact on rice yield. The 10% cyhalofop-erin cream of Yealaoxiao is effective against Qianqin and has high safety for rice. Rice can be used from the seedling stage to the jointing stage, and can be used as a remedial drug in the late stage of rice growth.
The use of wild rice paddy laughing 10% cyhalofop-ester cream to control thousands of rice fields to grasp several points.
(1) Adjust the dosage according to age. In Qianjin 2~3 leaf stage, 40~60 ml per acre; Qianjin 3~5 leaf stage, 80~100 ml per acre; Qianjin 5 leaves later, 100~200 ml per acre.
(2) The high concentration of drug kills grass faster and more thoroughly. It can be sprayed with high-concentration fine mist spray. The water consumption per mu is 30-40 kg. Adding silicone aids during spraying can improve the efficacy. Do not spread poisonous soil or poisonous fertilizer.
(3) The field water layer should be less than 1 cm or drained when spraying, and the water should be sprayed 24 hours after spraying to prevent germination of new grass.
(4) Cyhalofoprin may be antagonistic to some herbicides other than broadleaf herbicides, such as 2A 4 Cl, Clariasone, and sulfonylureas, showing a reduction in the efficacy of Cyfluoptophobe. It should be used at intervals of 7 days in production, but it can also be overcome by appropriately increasing the amount of cyhalofop-butyl ester. Cyfluofloxacin can be mixed with penoxsulam, quinclorac and pretilachlor.
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