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虫害诱导杨树对杨扇舟蛾寄主选择和生长发育的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年04期
Page:
169-171
Column:
研究简报
publishdate:
2010-08-06

Article Info:/Info

Title:
Effects of phytophagous insect induced popular resistance on the behavior and growing development of Clostera anachoreta
Author(s):
QIAN Wei1 FAN Binqi1 HAO Dejun1* WANG Yan2 MA Fenglin2
1.Jiangsu Key Laboratory for Prevention and Management of Invasive Specie, Nanjing Forestry University, Nanjing 210037, China; 2.Shanghai Forestry Station, Shanghai 200072, China
Keywords:
Clostera anachoreta induced resistance nutrient function growing development host preference
Classification number :
S763.3
DOI:
10.3969/j.jssn.1000-2006.2010.04.037
Document Code:
A
Abstract:
Choice experiment and bioassay were conducted in the laboratory to identifiey the mechanism of induced resistance of Populus deltoides after Clostera anachoreta feeding. Its effect on the host preference and growing development of the insect herbivore was studied. The result showed that larvae prefer to healthy leaves under choice situation. After feeding on treated leaves, the larvae development time prolonged, mortality rate increased greatly, the relative growth rate (RGR) reduced significantly, the efficiency of conversion of digested food (ECD), the efficiency of ingested food (ECI) and relative consumption rate (RCR) decreased although no significant difference between treated leaves and healthy leaves. Furthermore, the development of pupae and adults were also affected negatively after C.anachoreta feeding on treated leaves, and pupae weight declined, emergency rate and number of egg laying decreased. This study indicates that insect herbivore can elicit P.deltoides induced resistance which inhibits nutrient metabolism and retards the behavior and development of C.anachoreta.

References

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Last Update: 2010-08-06