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Your Position ：Home->Past Journals Catalog->2001 Vol.3

The effective overwintering numbers form the 6th instar larvae of cotton bollworm.
Author of the article:GE Feng1，DING Yan-Qin1，Liu Xiang-Hui1,WANG Xue-Zhi2，ZHAO Yong-Fa2
Author's Workplace：1.(Institute of Zoology, Chinese Academy of Sciences,Beijing100080,China),2.(Department of Plant Protection, Hunan Agriculture University, Changsha410128,China).
Key Words：cotton bollworm; diapaused pupa; effective overwintering numbers
Abstract：The pupation rates and emergence rates of adults from the 4th generation cotton bollworm were studied in corn field and cotton field of Northern China.The results showed that the 65%～83.05% of pupation rates and 10%～87% of emergence rates of adults fr
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