棉花型和黄瓜型棉蚜对寄主植物的适合度
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Q968.1

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The fitness of the host biotype of cotton aphid, Aphis gossypii, to summer host plants
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    摘要:

    采用寄主转换建立生命表及触角电位 (EAG)方法比较了棉蚜两寄主专化型 (棉花型和黄瓜型 )对不同夏季作物的适合度。结果表明 ,棉花型蚜转到黄瓜上及黄瓜型蚜转接到棉花上均不能正常产仔繁殖和建立种群。两种蚜型均不能在茄子和苋菜上建立种群。黄瓜型蚜能在豇豆上建立种群 ,但棉花型蚜不能 ,表现出两种寄主型棉蚜对夏寄主利用上存在显著差异。受棉蚜为害 12~ 36 h后的黄瓜或棉花植株仍不适合于棉花型或黄瓜型蚜 ,表现出黄瓜型蚜不能在被棉花型蚜为害过的棉株上正常存活和繁殖 ,棉花型蚜也不能在被黄瓜型蚜为害过的黄瓜苗上存活和繁殖。两种寄主型蚜对不同寄主叶片丙酮提取物的触角电位表明 ,黄瓜型蚜对棉花、哈密瓜和马铃薯叶片提取物的反应显著强于棉花型蚜 ,而对黄瓜和甜瓜叶片提取物的反应上两种蚜型差异不显著。文中同时对棉花型和黄瓜型棉蚜产生的生态机制进行了讨论。

    Abstract:

    Cotton aphid, Aphis gossypii Glover is one of the main pest of cotton, cucurits and some other crop plants. But the capacity of the aphids to use those host plants is different, some host biotypes were found in many countries or regions. The fitness of two host biotypes of cotton aphid, cotton and cucumber biotypes, screened in our laboratory was studied. The survival, reproduction and EAG response of the cotton and cucumber biotype aphid to eight summer host plants were measured by host transplantation met...

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刘向东,翟保平,张孝羲,方军.棉花型和黄瓜型棉蚜对寄主植物的适合度.生态学报,2004,24(6):1199~1204

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