【摘要】 研究了甘薯不同品种对烟粉虱实验种群的影响,结果表明所试的6个甘薯品种尤1、1255、98588三个品种受害较重,烟粉虱的着虫率、存活率、成虫寿命及产卵量、种群增长指数均达较高值。更多还原

【Abstract】 The paper deals with the studies on th e effect of six sweet potato varietie s on the ex-perimental population of sweet pota to whitefly,Bemisia tabaci(Gennadius).The result shows that sweet potato whitefly prefers to the var.Y OU 1,var.98588of sweet potato.The p opulation hosted on these three varieties has higher infected rate,survival rate,adult longevity,oviposition and the index of pop-ulation growth.更多还原