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24 October 2016 Direct Exposure of Wheat Seeds to High-Voltage Electrostatic Fields Adversely Affects the Performance of Sitobion avenae (Hemiptera: Aphididae)
Kun Luo, Zhu Cao, Rui Gao, Juan He, Guang-Yu Li, Huan-Huan Gao, Gai-Sheng Zhang, Hui-Yan Zhao
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Abstract

Exposing seeds to a high-voltage electrostatic field (HVEF) may influence the performance of herbivores and improve the germination rate by inducing biological and physiological changes in plants. In the current study, an age-stage, two-sex life table was established to evaluate the effects from directly exposing seeds to HVEFs on the performance of apterous Sitobion avenae (Fabricius) reared on winter wheat. We treated the wheat seeds by exposing them to an HVEF for 20 min at three intensities: 2, 4, or 6 KV/cm. Controls received no treatment (0 KV/cm). The results indicated that the parameters of the net reproductive rate (R0), the intrinsic rate of increase (r), and the mean generation span (T) of S. avenae were significantly reduced by HVEFs through multiple generations. In addition, the age-specific survival rate (lx) and comparison with the results of a Weibull equation analysis suggested that S. avenae had the shortest life span when seeds were exposed to an HVEF at 4 KV/cm. Overall, these findings indicated that direct exposure of wheat seeds to an HVEF at 4 KV/cm could adversely affect the performance of S. avenae.

© The Authors 2016. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com
Kun Luo, Zhu Cao, Rui Gao, Juan He, Guang-Yu Li, Huan-Huan Gao, Gai-Sheng Zhang, and Hui-Yan Zhao "Direct Exposure of Wheat Seeds to High-Voltage Electrostatic Fields Adversely Affects the Performance of Sitobion avenae (Hemiptera: Aphididae)," Journal of Economic Entomology 109(6), 1-6, (24 October 2016). https://doi.org/10.1093/jee/tow227
Received: 16 March 2016; Accepted: 19 September 2016; Published: 24 October 2016
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KEYWORDS
high-voltage electrostatic field (HVEF)
life-table parameter
plant resistance
Sitobion avenae
Weibull function
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