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生态学杂志 ›› 1992, Vol. ›› Issue (3): 59-61.

• 研究报告 • 上一篇    下一篇

落叶松人工混交林内害虫-天敌种群动态及其相关的初步研究

王志明, 胡玉山, 宁长林, 皮忠庆   

  1. 吉林省林业科学研究所, 长春 130012
  • 收稿日期:1989-04-17 修回日期:1989-05-15 出版日期:1992-06-10

Population Dynamics of Pests-Natural Enemies and Their Correlations in Man-Made Mixed Larch Forest

Wang Zhiming, Hu Yushan, Ning Changlin, Pi Zhongqing   

  1. Jilin Institute of Forestry, Changchun 130012
  • Received:1989-04-17 Revised:1989-05-15 Online:1992-06-10

关键词: 小麦, 干旱胁迫, 耐旱性, 光合作用, 根系

Abstract: The species, quantity and population fluctuation of pests and their natural enemies are investigated in 1988 in larch-Scot pine and larch-Amorpha mixed forests at Panshi county of Jilin province. Shannon's index H', Simpon's index Dand Piolon's index J' are used to compare the popultion diversities of pests and their natural enemies in the two types of forest. Detailed results are presented in the paper.

Key words: wheat, drought stress, drought tolerance, photosynthesis, root system