Cotton Buds Stage Controls Cotton Bollworm and Blindness

November 13, 2023

In winter and in the spring, gas is mainly drought, which is beneficial to the occurrence of cotton bollworm. At present, barley and rapeseed pod cotton in Xinghua area have entered the budding stage one after another, which is conducive to the occurrence of a variety of diseases and insect pests. In particular, the number of second generation bollworms has risen significantly, and blind cinerea have appeared sporadic hazards. According to a comprehensive analysis of pest conditions, base numbers, and weather, it is expected that the occurrence time of the local second-generation blind stink bug earlier this year will be similar to that of the previous year. The occurrence of the second-generation H. armigera is earlier than last year and is similar to that of the normal year. Medium weight.
It is suggested that in the second generation of the adult nymph of L. lucidum and the peak of nymphs of the age group (June 24-25), the youngest larvae of H. armigera (in July 1-3) should be controlled by spraying. For the prevention and control of blind stink bugs, use 140 ml of 12% marathon-killed pine oil per acre or 45% of malathion EC as a spray. For cotton bollworm control, 80 ml of 30% chloromacphocin EC per mu, or 80 ml of 25% chlorinated phoxim EC, is sprayed with water. In the field where spider mites occur, add 20% WP 20g or 1.8% abamectin EC 60ml per acre. Pay attention to adding even amount of fine water spray, barley, rapeseed pods, etc. earlier cotton field prevention and treatment should sooner or later.

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Mr. Yang

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