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应用生态学报 ›› 1993, Vol. 4 ›› Issue (2): 198-202.

• 研究论文 • 上一篇    下一篇

大气中CO2含量增加对植物-昆虫关系的影响

吴坤君   

  1. 中国科学院动物研究所, 北京 100080
  • 收稿日期:1990-10-17 修回日期:1991-04-09 出版日期:1993-04-25 发布日期:1993-04-25

Effect of elevated levels of atmospheric CO2 on plant-insect interaction

Wu Kunjun   

  1. Institute of Zoology, Academia Sinica, Beijing 100080
  • Received:1990-10-17 Revised:1991-04-09 Online:1993-04-25 Published:1993-04-25

摘要: 近两百年来,大气中CO2含量一直在不断地增加,而且增加的速度越来越快.CO2浓度升高有利于C3植物如水稻、小麦、大豆和棉花等光合作用和生产力的提高,但同时也减少了这些作物的含氮量,因而降低了它们对植食性昆虫的营养价值.现有的一些研究表明,在这种情况下,植食性昆虫会消耗更多的植物组织以补偿其对含氮物质的需要,导致昆虫对寄主植物为害的加重.

关键词: CO2, 昆虫, C3植物, 食物消耗, 含氮量, UV-B辐射, 光合色素, 叶绿体超微结构, 芦苇, 光合特性

Abstract: Carbon dioxide concentration in atmosphere is increasing more rapidly than before, which would en hance the photosynthesis and productivity of C3 plants such as rice, wheat, soybean, cotton etc., but reduce their nitrogen content and, therefore, their nutritive values for insect herbivores. Certain investigations showed that the phytophagous insects infesting these plant species responded to such CO2-induced changes with more consumption of plant materials to compensate their requirement for N-containing nutrients, which could result in heavier damage by them to their host plants.

Key words: Carbon dioxide, Insects, C3 plants, Food intake, Nitrogen content, photosynthetic pigment, photosynthetic characteristics, Phragmites australis, chloroplast ultrastructure, UV-B radiation