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Your Position :Home->Past Journals Catalog->2016年53 No.5

Occurrence of adult Grapholita molesta (Busck) and effects ofecological control in Laohekou, Hubei
Author of the article:WU Peng-Xiang1, 2** WU Feng-Ming1, 2 GUO Chong1 WANG Xuan1 LI Zhen1 ZHANG Qing-Wen1 LIU Xiao-
Author's Workplace:1. Department of Entomology, China Agricultural University, Beijing 100193, China; 2. Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
Key Words: Grapholita molesta, occurrence regularity, ecological control
Abstract:

[Objectives]  To find the optimum time of year in which to control Grapholita molesta in Laohekou, Hubei, and to promote environmentally-friendly techniques that decrease the use of chemical pesticides for controlling this pest. [Methods]  We studied the occurrence of G. molesta in pear and peach orchards, the effects of biological control by releasing Trichogram matids, the effects of physical control with sugar-vinegar-spirit liquid, triangle and yellow sticky traps, and the effects of disrupting mating with sex pheromones. [Results]  The optimum control periods were mid- to late April in peach orchards, and late May, early June and mid-August, in pear orchards. The release of trichogramma, sugar-vinegar-spirit liquid traps with a ratio of brown sugar∶vinegar∶white spirits∶water of 31∶3∶80, and the use of sex pheromones to disrupt mating, all have the potential to replace chemical control. [Conclusion]  Ecological control can effectively control G. molesta in pear orchards, reduce the frequency of chemical control, and provide a basis for building stable ecosystems and producing environmentally-friendly fruit.

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