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褐稻虱是水稻中后期的主要害虫之一,使用药剂防治,不但因禾苗茂密药效较差,且残药污染谷物,影响人畜健康。某些药剂还引起虫口的再猖獗。利用抗虫品种,防虫和经济效益较好,已日益引起国内外重视。此虫是长距离迁飞的害虫,广西是从东南亚迁入我国的第一站,利用抗虫品种不但可以压低当地为害,还能减少向长江流域迁出的虫量,产生更大的效果。因此,1978年以后对我院品资室所保存的品种资源材料,进行
Brown planthopper is one of the major pests in the middle and late stages of rice. Using pesticides to prevent and control the brown planthopper is not only ineffective due to the thickening of the seedling, but also the residue can pollute the grain and affect the health of human beings and animals. Some agents also cause the resurgence of insects. The use of insect-resistant varieties, pest control and good economic benefits have increasingly attracted domestic and foreign attention. This pest is a pest that migrates long distances. Guangxi is the first stop to move from Southeast Asia to China. Using pest-resistant varieties can not only reduce local pests, but also reduce the amount of pests that migrate to the Yangtze River basin, resulting in greater effects. Therefore, after 1978, the variety of resources and materials preserved in the materials and facilities of our hospital shall be carried out