The role of Ethanone

Ethanone pyrazole except leather case agent, chlorophyll synthesis inhibitor. For the broad-spectrum herbicide, rice transplanting weeds sprout after 1 ~ 7d weed germination before or after the application of 3kg (ai) / ha. Can Control in annual and perennial weeds. Not good for upland weeds. Can be used to broadcast rice, but the temperature higher than 35 ℃, temporary crop injury will occur. Barnyard grass may not grow to 4 to 5 leaf stage, after spraying, and the ethanone spectrum herbicide with the treatment time varies, in irrigation, 3 to 5 weeks after treatment, is of barnyard grass and arrowhead have a lasting inhibition of its activity depends on the temperature of thousands of processing, When less than 15 ℃, decreased activity, especially Ying Lin, low temperature control effect even worse. Flooding conditions, rice is very safe. Half-life of 4 to 15 days. Planting and water for live Tin Tin.