王氏之死：大历史背后的小人物命运 下载 mobi epub pdf 电子书 2024

  详情信息：

  Product Details 基本信息

ISBN-13 书号:9780198525943

Author 作者:Schoonhoven, Louis M.

出版社:Oxford University Press

Publication Date 出版日期:2006-02-02

Shipping Weight 商品重量:1.111kg

Shipping Weight Language 语种:ENG

pages 页数:421

  Book Contents 内容简介

    Half of all insect species are dependent on living plant tissues, consuming about 10 per cent of plant annual production in natural habitats and an even greater percentage in agricultural systems, despite sophisticated control measures. Plants possess defences that are effective against almost all herbivorous insect species. Host-plant specialization, observed in over 80 percent of these animals, appears to be an effective adaptation to breach these defence systems. The mechanisms underlying plant defence to invading herbivores on the one side, and insect adaptations to utilize plants for nutrition, defence and shelter on the other, are the main subjects of this book. For plants exposed to insect herbivores, these mechanisms include the activation of defence systems and the emission of chemical signals which may attract natural enemies of the invading herbivores and may even be exploited by neighbouring plants to induce an early defence.

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