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High Temperature Stress of Summer Chinese Cabbage in Alpine Region  

Hwang, Seon-Woong (Division of Plant Nutrition, National Institute of Agricultural Science and Technology, RDA)
Lee, Ju-Young (Division of Plant Nutrition, National Institute of Agricultural Science and Technology, RDA)
Hong, Sung-Chang (Division of Plant Nutrition, National Institute of Agricultural Science and Technology, RDA)
Park, Yang-Ho (Division of Plant Nutrition, National Institute of Agricultural Science and Technology, RDA)
Yun, Seung-Gil (Department of Plant Resources Science, Hankyong National University)
Park, Moon-Hee (Division of Plant Nutrition, National Institute of Agricultural Science and Technology, RDA)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.36, no.6, 2003 , pp. 417-422 More about this Journal
Abstract
The objective of this study was to assess the regime of heat shock protein and leaf temperature caused by high temperature stress in chinese cabbage grown in alpine region. In monsoon period, high temperature and heavy rain have caused a stress condition for the cultured higher plants. Chinese cabbages were grown in different altitude, i.e. 600 m and 1,100 m. It was demonstrated that heat shock protein (Hsp 90) in alpine chinese cabbage leaf was actively expressed by high temperature and surplus nitrogen application. As a results of thermo-graphically observed leaf temperatures, chinese cabbage grown in high altitude region were ranged from 20.5 to $24.3^{\circ}C$ while in low altitude from 24.0 to $31.5^{\circ}C$. Furthermore, analysis of assimilated nutrients indicated that total nitrogen content was higher in plant grown under high temperature than under low temperature.
Keywords
Alpine region; Chinese cabbage; Heat shock protein; Inorganic nitrogen; Leaf temperature;
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