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红铃虫是世界性的棉花害虫,也是我区影响棉花生产的关键害虫。棉花受害后因产量下降、品质低劣所造成的经济损失是惊人的。1982——1985年对红铃虫为害损失测定及防治指标研究结果资料表明,一代红铃虫对棉花为害无经济损失;二代红铃虫的为害所造成的经济损失占全年经济损失70——80%。因此在防治策略上应重点抓好二代红铃虫的防治,保护主体桃。
Red bollworm is a worldwide cotton pest, but also my area of ?? the key pests affecting cotton production. The economic loss caused by the poor quality of cotton is staggering due to the decline of output after the cotton is damaged. 1982-1985 the determination of red bollworm damage and control indicators research results show that the first generation of pink bollworm damage to cotton no economic loss; the second generation of red bollworm damage caused by economic losses accounted for 70% -80%. Therefore, prevention and control strategies should focus on prevention and control of the second generation of pink bollworm, the protection of the main peach.