The research on identification technology of heat tolerance of Chinese cabbage (Brassica campestris L., ssp. pekinensis).

被引：0
|
作者：
Yang, LW [1 ]
Wang, JY [1 ]
Liang, HF [1 ]
Chen, J [1 ]
机构：
[1] Chinese Acad Agr Sci, Inst Vegetables & Flowers, Beijing 100081, Peoples R China
来源：
THIRD INTERNATIONAL SYMPOSIUM ON DIVERSIFICATION OF VEGETABLE CROPS | 1998年 / 467期
关键词：
heat tolerance; electrolyte; chlorophyll; heading;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Three technologies involving physiological characteristics were investigated as possible indexes in order to identify heat tolerance in seven cultivars of Chinese cabbage (Brassica campestris L.,ssp.pekinensis). These characteristics were : heat killing time (HKT), electrolyte leakage rate (ELR), and chlorophyll content reduction (CCR). HKT measurements for heat tolerance conformed with field observations and correlation analysis indicated a significant positive correlation between ELR and HKT. CCR appears not to be useful for the identification of Chinese cabbage heat tolerance.
引用
收藏
页码：227 / 231
页数：5
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