伤根对玉米光合作用和水分利用效率的影响

应用生态学报 ›› 2002, Vol. ›› Issue (12): 1716-1718.

伤根对玉米光合作用和水分利用效率的影响

柴世伟, 刘文兆, 李秧秧

中国科学院、水利部水土保持研究所, 杨凌, 712100

收稿日期:2000-10-13 修回日期:2001-03-13
通讯作者: 刘文兆
基金资助:
国家自然科学基金重大项目(49890330);中国科学院西部之光资助项目

Effect of root cutting on leaf photosynthesis rate and water use efficiency of maize

CHAI Shiwei, LIU Wenzhao, LI Yangyang

Institute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling 712100

Received:2000-10-13 Revised:2001-03-13

摘要/Abstract

关键词: 设施土壤, 团聚体, 球囊霉素, 土壤养分, 土壤酶活性

Abstract: Studies on the effect of different levels root cutting on the photosynthesis rate,stomata conductance,aboveground biomass,grain yield,and water use efficiency of maize showed that moderate root cutting could improve its photosynthesis ability,and increase its aboveground biomass and WUE. On the contrary,when the roots were cut severely,the photosynthesis ability was weakened,and the biomass was decreased. Moderate root cutting could increase maize grain yield,but the effect was not significant.

Key words: Root cutting, Photosynthetic rate, Aboveground biomass, Water use efficiency (WUE), Maize, greenhouse soil, glomalin-related soil protein, soil nutrient, aggregate, soil enzyme activity

中图分类号:

S152.7⁺5

柴世伟, 刘文兆, 李秧秧. 伤根对玉米光合作用和水分利用效率的影响[J]. 应用生态学报, 2002, (12): 1716-1718.

CHAI Shiwei, LIU Wenzhao, LI Yangyang . Effect of root cutting on leaf photosynthesis rate and water use efficiency of maize[J]. Chinese Journal of Applied Ecology, 2002, (12): 1716-1718.

参考文献

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