BEHAVIORAL-RESPONSES OF THE WHITEBACKED PLANTHOPPER SOGATELLA-FURCIFERA (HOMOPTERA, DELPHACIDAE) ON RICE PLANTS WHOSE ODORS HAVE BEEN MASKED
文献类型: 外文期刊
第一作者: LIU, GJ
作者: LIU, GJ;SAXENA, RC;WILKINS, RM
关键词: WHITEBACKED PLANTHOPPER;SOGATELLA-FURCIFERA;OLFACTORY;ORIENTATION;FEEDING BEHAVIOR;INSECT-PLANT INTERACTION;RICE
期刊名称:JOURNAL OF INSECT BEHAVIOR ( 影响因子:1.309; 五年影响因子:1.174 )
ISSN: 0892-7553
年卷期: 1994 年 7 卷 3 期
页码:
收录情况: SCI
摘要: In a two-choice test, more S. furcifera females settled more often on exposed plants than on parafilm-masked ones, regardless of the susceptibility of rice varieties. This indicates that rice volatiles play an important role in the insect's short-range orientation to its host. The fact that more insects settled on exposed resistant Rathu Heenati (RHT) than to masked susceptible Taichung Native 1 (TN1) suggests that there must be certain common volatiles released by both varieties. Few females landed on masked plants of either RHT or TN1. This implies that the insect could not recognize at a distance that a plant was resistant or susceptible without olfactory stimuli. S. furcifera excreted less honeydew on masked plants than on exposed ones for both varieties and more on masked TN1 than on exposed RHT. The electronic monitoring of feeding behavior demonstrates that the insect made more frequent probes and had shorter phloem ingestion durations on exposed RHT than on exposed TN1 and on masked RHT than on masked TN1. Moreover, the insect had longer phloem ingestion durations on masked TN1 than on exposed RHT. These results suggest that volatile chemicals given off by resistant RHT plants have a negative effect on feeding.
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