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种植丰产、抗虫品种,是防治吸浆虫最经济有效的措施。1982年在红城公社玉山大队第八生产队社员包正印的一块承包田里,对小麦晋2148品种的小麦吸浆虫抗性进行了观察鉴定。这块小麦田系水浇地,面积二分,横着夹花种植了晋2148和7404品种各两带,各随机取样选五点,各点取麦穗100穗,分别剥穗逐粒检查幼虫数,7404有虫4,000头,平均每穗有虫40头,晋2148有虫10头,平均每穗有虫0.1头,两者相差400倍。虽然没作更
Planting high yield, insect-resistant varieties, is the most economical and effective measures to prevent midge. In 1982, a team of Baozhengyin, a member of Eighth Production Team of Yushan Brigade of Hongcheng Commune, was given a field survey and identification of resistance to wheat midge in wheat Jin 2148. This piece of wheat field irrigated land, an area of two points, planted along the clip flower Jin 2148 and 7404 varieties of the two zones, each randomly selected five points, each point to take 100 ears of wheat, respectively, 7404 had 4,000 worms with an average of 40 pests per ear, 10 of Jin 2148 pests, and an average of 0.1 pests per ear, a difference of 400 times. Although no more