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褐稻虱是本区水稻上一种暴发性害虫,其虫源于夏季由南方稻区迁入,经多次增繁殖,对水稻造成严重危害,甚至冒穿枯死。本所自1979年起,对褐稻虱迁入后的种群发展,通过设置预测圃等方法进行了研究。
Brown planthopper is an outbreak of pests on rice in this area. Its insects migrate into the southern rice area in summer and multiply multiply, causing serious damage to rice and even withering dead. Since 1979, our institute has studied the population development after the brown planthoppers migrated into China by setting the forecast nursery.