温度对褐飞虱抗/感吡虫啉品系种群生长的影响
Effect of temperature on population growth of susceptible and r esistant strains of Nilaparvata lugens to imidacloprid.
刘泽文;韩召军;王荫长;张洪伟
点击:1646次 下载:3次
DOI:
作者单位:南京农业大学农业部病虫监测与治理重点开放实验室,南京210095
中文关键词:褐飞虱;吡虫啉;温度;生命表;种群趋势指数
英文关键词:Nilaparvata lugens; imidacloprid; temperature; life table; population trend index
中文摘要:与敏感性品系相比 ,经过连续 14代筛选的褐飞虱抗性品系对吡虫啉具有 48.5倍的抗性。通过构建不同温度下敏感品系和抗性品系的实验种群生命表 ,发现不适温度对 2个品系的生长发育和繁殖都有明显的影响 ,而且这种影响在 2个品系间存在差异。高温 ( 32℃ )和低温 ( 18℃ )导致 2
英文摘要:A resistant strain ? of Nilaparvata lugens that had been selected for 14 g ene rations in the laboratory had 48.5-fold resistance to imidacloprid compared to a susceptible strain (S). Through the construction of the life tables for both st rains