METHYL SALICYLATE AND (-)-(1R,5S)-MYRTENAL ARE PLANT-DERIVED REPELLENTS FOR BLACK BEAN APHID, APHIS-FABAE SCOP (HOMOPTERA, APHIDIDAE)

被引:135
作者
HARDIE, J
ISAACS, R
PICKETT, JA
WADHAMS, LJ
WOODCOCK, CM
机构
[1] AFRC,INST ARABLE CROPS RES,ROTHAMSTED EXPTL STN,HARPENDEN AL5 2JQ,HERTS,ENGLAND
[2] AFRC,IMPERIAL COLL,LINKED RES GRP APHID BIOL,HARPENDEN SL5 7PY,HERTS,ENGLAND
关键词
APHID; APHIS FABAE; HOMOPTERA; APHIDIDAE; SEMIOCHEMICALS; CHEMICAL ECOLOGY; ELECTROPHYSIOLOGY; SALICYLATE; MONOTERPENOID;
D O I
10.1007/BF02098393
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Methyl salicylate and (-)-(1R,5S)-myrtenal stimulate specific olfactory cells in the primary rhinaria on the sixth and fifth antennal segments, respectively, of the black bean aphid, Aphis fabae. In behavioral studies employing a linear track olfactometer, both compounds were repellent to A. fabae and also inhibited attraction to volatiles from its host, broad bean (Vicia faba). Methyl salicylate is associated with secondary metabolite-based defense in plants, and the monoterpenoid (-)-(1R,5S)-myrtenal is metabolically related to (-)-(1S,5S)-alpha-pinene, an abundant component of defensive resins produced by gymnosperms. It is argued that these two compounds are employed by A. fabae as indicators of nutritionally unsuitable or nonhost plants.
引用
收藏
页码:2847 / 2855
页数:9
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