Wheat bush dwarf disease is a wheat virus disease caused by the virus transmitted by the planthopper. In recent years, the incidence of wheat bush dwarf disease has been increasing year by year, especially in wheat fields close to roads, ditches, forest lands and idle land. It is easy for SBPH to infest from adjacent fields and into surrounding wheat fields. There are two peaks in the transmission of poisoning by wheatgrasshoppers in wheat. The first is the emergence of wheat seedlings. The second peak period is the spring wheat return. At present, with the gradual recovery of temperature, wheat has gradually entered the green period and it is necessary to prevent and treat wheat bush dwarf disease as soon as possible.
Before and after the return of green wheat, weeds should be cleared of weeds in fields, lands, and canals as soon as possible to eliminate the habitat of SBPH. Choose windless sunny weather in the early spring wheat return, 10% 10% imidacloprid wettable powder 10g, add 4.5% beta-cypermethrin cream 20 ml, 30 kg of leaf spray control of the water spray every 7-10 days, even spray 2 times.
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