| abstract |
The invention discloses a 3-aryl pyridazinone compound, a preparation method, a pesticide composition and an application. The present invention provides a 3-aryl pyridazinone compound as shown in formula I, the structure of which is as follows. The 3-aryl pyridazinone compounds of the present invention have high-efficiency herbicidal activity, wide herbicidal spectrum, good crop safety, wide application period, short residual period in soil, and good bud growth at low doses Pre-emergence and post-emergence herbicidal activity, has control effect on farmland broad-leaved weeds, farmland grass weeds and sedge weeds, and has certain safety on corn, rice, wheat, cotton, soybean and other crops at high doses , can better inhibit weed germination, and also has good herbicidal activity against sensitive weeds at the 3-6 leaf stage, has no adverse effects on the growth of subsequent crops, and has reasonable toxicity, ecotoxicity and environmental compatibility. It is a low-toxic and environment-friendly pesticide and has a good market prospect. |