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Study Approaches on the Chestnut Gall Wasp, Dryocosmus kuriphilus Yasumatsu in China

机译:中国栗子肝癌的研究方法,Dryocosmus kuriphilus Yasumatsu在中国

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Approaches of studies on the chestnut gall wasp, Dryocosmus kuriphilus Yasumatsu in China were documented in this paper. The pest distributes over 16 provinces covering all the chestnut productive area in the country with yield damage 15-30% every year. It was observed only 1 generation each year and seems to reproduce by parthenogenesis. Over wintering as young larvae within the host buds, it feeds acting with the budburst in spring, and its cabin forms with the leaf growth and spread. The adult eclosion is at end of male flower blooming. There have been 28 parasitical wasps reported as the nature enemies of the pest up today. Among them, Torymus sinensis Y. is the most predominant one. Pollarding in winter, releasing natural enemy during April to June, using black light trap from June to September, and utilizing resistant cultivars are the main methods of IPM.
机译:本文记录了中国栗子肝癌,Dryocosmus Kuriphilus Yasumatsu的研究方法。该害虫分布了超过16个省份,每年产量损伤15-30%的国家的栗子生产区。每年只观察到1代,似乎通过单性生殖繁殖。在宿主芽中作为幼苗越冬,它在春天的春天饲喂,其驾驶室形式与叶片生长和蔓延。成年蚀使成年渗透在雄花盛开的末端。已经有28个寄生妇女,作为今天害虫的自然敌人报告。其中,Torymus sinensis Y.是最主要的一个。在冬季的恐吓,在4月到6月释放自然敌人,从6月到9月使用黑光陷阱,利用耐药品是IPM的主要方法。

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