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Your Position ：Home->Past Journals Catalog->2001 Vol.2

Distribution of eggs of Helicoverpa armigera on corn during different growing stages.
Author of the article:SU Zhan-Ping1，ZHAI Bao-Ping1，ZHANG Xiao-Xi1,DAI Shuai-Shan2
Author's Workplace：1.(Department of Plant Protection, Nanjing Agriculture University, Nanjing210095,China),2. (Plant Protection Station of Fengxian County,Jiangsu Provnice221700, China).
Key Words：Helicoverpa armigera; egg; corn; distribution
Abstract：Systemic investigation of both vertical and horizontal distribution of eggs of Helicoverpa armigera on corn during three growing stages were carried out. The results indicated that before male heading 95% of eggs oviposited during the second genera
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