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1.草地螟的防治:①及时掌握虫情,加强预测预报工作,争取消灭在卵及幼虫在三龄的点片阶段。②喷洒溴氰菊酯2500倍液,对草地螟有较强的触杀和胃毒作用。③20%除虫菊酯乳油,2000～4000倍液。④成虫发生盛期,清除田间杂草和灯光捕捉成虫也能减轻受害程度。2.地老虎的防治:①及时锄草并把杂草运到田外,防止杂草上幼虫转栘危害甜菜。②加强预测预报,及时进行药剂防治。用90%以上敌百虫原药或5%敌敌畏乳油800-1000倍液,灌到苗眼里,下
1. Prevention and Control of Meadow Borer: ① timely grasp of insects, and strengthen forecasting work, strive to eliminate the egg and larvae in the third stage of the filming stage. ② spray 2500 times deltamethrin solution, on the meadow borers have a strong contact and stomach poisoning effect. ③ 20% pyrethrin EC, 2000 ~ 4000 times the liquid. ④ adult occurrence peak, clear field weeds and light capture adults can also reduce the extent of damage. 2. To prevent and control tigers: ① timely weeding and weeds transported to the field, to prevent the weeds on the larvae turn harm endangered beets. ② strengthen forecasting, timely preventive control. With 90% of the original trichlorfon drug or 5% dichlorvos EC 800-1000 times, filling the seedling eyes, under