Q: Friends of the world sent a mail: landscape live rice 2-3 leaf stage stem and leaf treatment weeding, control of dicotyledonous weeds with pyrazosulfuron-methyl, or bensulfuron-methyl good? In the normal use of benzyl dichloride Under circumstances, how much should it be appropriate?
A: Bensulfuron has been used for many years in rice production. At present, many places such as D. acuminata and B. arborea, broad-leaved weeds, and sedges, including wild leeks, have developed strong resistance to bensulfuron, some of which are Species of weeds are still sensitive to pyrazosulfuron.
In the past, the use of bensulfuron-methyl against field broad-leaved weeds and other areas with good control efficacy can still be used this year. In the areas with poor control after applying bensulfuron-methyl, the use of drugs such as pyrazosulfuron should be considered. Or combined with control of valerian, application of penoxsulam (Indazole), one-time control of alfalfa and a variety of broad-leaved weeds. Fluroxypyr, camphor pine, 2A 4 chlorine and other drugs are also suitable pesticides for direct-seeding rice fields to prevent broad-leaved grasses and sedges.
Under normal circumstances, herbicides should not be blindly increased. In the normal use of ready-mixed products such as benzyl dichloride, it is not appropriate to add pyrazosulfuron and other drugs.
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Shandong Shengli Bioengineering Co., Ltd , https://www.shenglipharm.com