a-pinene?dpph?pinene, from persimmon trees infested by Japan

飞来科技 发布时间:2016-07-05 10:21:58 来源:网络整理

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pinene_a-pinene_dpph

Effect of volatile emissions, especially alpha-pinene, from persimmon trees infested by Japanese wax scales or treated with methyl jasmonate on recruitment of ladybeetle predators. 加入收藏夹 点击:11

Persimmon, Diospyros kaki L., is an important fruit tree in northern China. Japanese wax scale, Ceroplastes japonicus Green (Hemiptera: Coccoidea: Coccidae), is the most destructive pest in persimmon orchards and is difficult to control using chemical pesticides. This paper studied the variety of volatile emissions from persimmon trees attacked by wax scale or induced by applications of methyl jasmonate (MeJA), an exogenous signaling material. We also studied the role of volatiles in recruiting the ladybeetle, Chilocorus kuwanae Silvestri (Coleoptera: Coccinellidae), a primary predator of wax scale. The results showed that the ladybeetles displayed strong taxis responses to the odor sources from trees treated with MeJA and wax scale-damaged trees. Within 24 h after the trees were treated with MeJA, the number of ladybeetles responding to the treated trees fluctuated based on the amount of volatiles released over a diel period. Chemical analysis of the volatiles showed that terpenoid compounds, especially alpha-pinene, increased from both the wax scale-damaged and MeJA-treated trees and that this was the reason for the ladybeetle attraction. Therefore, alpha-pinene was used as a single signal source to examine the taxis response of C. kuwanae. The results suggest that alpha-pinene plays a significant role in attracting the ladybeetles. It is therefore concluded that MeJA application might be used to stimulate the defense function of persimmon trees by inducing the release of terpenoids, especially alpha-pinene, and thereby recruiting more ladybeetles to control the scale insects.

作 者 Yanfeng, Zhang(College of Life Science and Technology, Shanxi University, Taiyuan 030006, China.);Yingping, Xie;Jiaoliang, Xue;Guoliang, Peng;Xu, Wang

刊 名 Environmental entomology 2009年38卷5期1439-45页

MeSH主题词 乙酸盐类(Acetates). 动物(Animals). 甲虫(Beetles). 行为, 动物(Behavior, Animal). 环戊烷类(Cyclopentanes). 柿属(Diospyros). 柿属(Diospyros). 女(雌)性(Female). 半翅目(Hemiptera). 氧类脂(Oxylipins). 掠夺行为(Predatory Behavior). 萜类(Terpenes). 萜类(Terpenes). 萜类(Terpenes). 挥发性有机化合物(Volatile Organic Compounds). 挥发性有机化合物(Volatile Organic Compounds). 挥发性有机化合物(Volatile Organic Compounds).

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    • 李朴
      李朴

      嘿嘿。。不错。。

    • 赵琪
      赵琪

      前途无限光明,只是去走的时间,路有很多曲折!

    • 姚勉
      姚勉

      如何去做呢?一头雾水?很多不明白呢?求指教

      • 王振
        王振

        六度理论 是什么书籍呃?能推荐下不?

    • 堂本刚
      堂本刚

      说的很详细。说了我很多不知道的

    • 赵玉倩
      赵玉倩

      现在用的阿里的,用一段时间在比较比较。

    • 王飞
      王飞

      顶 这么高的人气

    • 三矢雄二
      三矢雄二

      还真的是很灰色啊 不过这种也不是长久之计啊

    • 姬扬
      姬扬

      松哥一年收入绝对200万以上,

    • 陈珊珊
      陈珊珊

      社会是锅粥,过了坎还有沟!
      寒门出孝子

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