茶黑刺粉虱蛹和卵的发育分级及与其防治适期的相关性
Developmental grade of pupae and eggs of white fly,Aleurocanthusspiniferus,in relation to its optimum control period of the pest in tea garden.
韩宝瑜1,2
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作者单位:1.安徽农业大学,合肥230036,2.中国科学院动物研究所,北京100080
中文关键词:黑刺粉虱;蛹;卵;分龄分级预测法;防治适期;幼虫盛期
英文关键词:Aleurocanthus spiniferus; pupa; egg; forecast of divisiory instar and grade; optimum control period; larva peak period
中文摘要:20 0 0年 4~ 6月 ,每 5日在皖南黑刺粉虱Aleurocanthusspiniferus(Quaintance)常发茶园中以平行跳跃法选 50个样方。每样方为 1m茶行 ,查其上、中、下层各 2片成叶上各虫态粉虱的数量 ;采回 200头蛹于立体显微镜下解剖。越冬代蛹期 32~38d。据蛹体形态和颜色的显著变
英文摘要:During the spring of 2000,fifty sampling plots,each was 1 m tea row,were randomly selected at intervals of 5 days in tea garden in the Southern Anhui Province where white fly frequently occurred.The pest population on two matured leaves from upper,middle