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Spring Maize Seedling Pest Control
At present, pests and diseases in the corn fields occur as a whole. If they do not pay attention to prevention and control, they can continue to develop and cause disasters. It is hoped that the majority of peasants will do a good job in monitoring the pests and diseases of corn so as to make early detection and early prevention and control, seize the favorable opportunity, and take effective measures to do a good job in the prevention and control of pests and diseases in corn fields in an effort to eradicate pests and diseases in the bud to ensure the growth and safety of corn. . Prevention and technical measures: (1) Chemical control. For the pests such as winged pupa, thrips, mottled pupa, and red blind pupa in the corn field, 20% butyl thiocarbamate 1500 times, 35% endosulfan 1000 times, and 48% Lethburn 2000 times liquid alternate rotation spray can be used. Prevention. For corn mash, 3% carbofuran granules or 5% aldicarb granules can be applied to control 2-3 capsules per plant. For corn dwarf mosaic virus disease, 2% Ningnanmyric agent can be used 150 times, and 20% hydrochloric acid morpholine arc copper wettable powder (virus A) can be sprayed at 400 times. For corn field weeds can be used 20% 300 grams of traceless water agent, sprinklers plus "protective hood" on the corn line for directional spray prevention, pay attention to avoid spraying liquid corn plant stems and leaves. More than 40-50 kg of pesticide spray liquid. (2) Agricultural measures. Strengthen field management, reasonably top-dressing, irrigation, timely cultivating, weeding; carefully inspect, timely remove diseased sporadic disease strains in corn field, bring out concentrated destruction outside the field, thoroughly remove weeds in and around corn field, cut off viral virus source and mediator Host.