Olfactory responses to aphid and host plant volatile releases:: (E)-β-farnesene an effective kairomone for the predator Adalia bipunctata
Olfactory responses to aphid and host plant volatile releases:: (E)-β-farnesene an effective kairomone for the predator Adalia bipunctata
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DOI：
10.1023/b:joec.0000028429.13413.a2
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发表时间：
2004-04-01
影响因子：
2.3
通讯作者：
Haubruge, E
中科院分区：
文献类型：
--
作者：
Francis, F;Lognay, G;Haubruge, E
研究了几种蚜虫和寄主植物单独或联合释放的挥发物在捕食位置上的信息化学作用。用四臂嗅觉仪观察了三种麦长管蚜(Myzus persicae、Acyrthosiphon pisum、Brevicoryne Brassicae)和三种植物(蚕豆、甘蓝型油菜和白芥菜)的几种组合对二斑潜蝇幼虫和成虫的引诱作用。捕食性幼虫和成虫在被捕食后，无论寄主植物是什么，都只被桃小蜂和桃小实蝇所吸引。(E)-β-法尼烯是一种有效的瓢虫报警信息素。单独的植物叶片(蚕豆、甘蓝型油菜和白浆菜)或与非应激的整个蚜虫(这三种)联合在一起，对捕食者没有任何吸引力。甘蓝型油菜专化型蚜虫是唯一一种没有被二斑潜蝇幼虫和成虫吸引的猎物，即使它们被粉碎了。GC-MS分析表明，白菜型油菜释放出与寄主植物化感物质类似的分子。瓢虫在近距离对十字花科专化型蚜虫的行为反应不足，仅与其捕食挥发性模式中缺少(E)-β-法尼烯有关。
The volatiles released from several aphid and host plant species, alone or associated, were studied for their infochemical role in prey location. Using a four-arm olfactometer, the attraction of several combinations of three aphid (Myzus persicae, Acyrthosiphon pisum, and Brevicoryne brassicae) and three plant ( Vicia faba, Brassica napus, and Sinapis alba) species toward Adalia bipunctata larvae and adults was observed. Both predatory larvae and adults were attracted only by A. pisum and M. persicae when they were crushed, whatever the host plant. (E)-beta-Farnesene, the aphid alarm pheromone, was the effective kairomone for the ladybird. Plant leaves alone ( V. faba, B. napus, and S. alba) or in association with nonstressed whole aphids ( the three species) did not have any attraction for the predator. The B. brassicae specialist aphid is the only prey that was not attracted to A. bipunctata larvae and adults, even if they were crushed. Release of B. brassicae molecules similar to the host plant allelochemicals was demonstrated by GC-MS analysis. The lack of behavioral response of the ladybird at short distance toward the cruciferous specialist aphid was related only to the absence of (E)-beta-farnesene in the aphid prey volatile pattern.