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Chinese Journal of Applied Ecology ›› 1993, Vol. 4 ›› Issue (2): 198-202.

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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

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