Xindian Town, Rudong County Wang Genli: There is a dry direct-growing rice field, and the former crop is rapeseed. Now there are many self-growing rapeseed in the field, and only a small part of rice emerges. Which herbicides can be used to control the self-generated rapeseed?
Answer: It can be combined with control of broad-leaved weeds in the field, and pyridoxelon, bensulfuron-methyl can be used for soil sealing treatment, which can also eliminate field-grown rapeseed. It is also possible to wait for the three-leaf stage of rice to combine control of weeds in the field, and use pentachlorosuoxamine, pyrimethoxime, bensulfuron-methyl, flufenoxazone, and the like to remove field-grown oilseed rape. After the water layer is established in the field, the infested rapeseed will rot and die. In the period from the 4th leaf stage to the jointing stage, valproterone, 2-potassium 4 chloride and other drugs can effectively control the self-generated rapeseed.
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