Title: Effects of High Temperature on Physiological Index in Chinese Cabbage
Abstract: To study the physiological mechanism of heat tolerance in Chinese cabbage seedling,5 Chinese cabbages were on high temperature treatments,32 ℃ thermostatic for with 14 hours everyday by the light intensity of 10 000 lx for 8 days,heat tolerance,soluble protein content,proline content,SOD activity,POD activity,CAT activity,MDA content under heat stress were studied.The results showed that there was no big influence for others characters at normal temperature,the difference was extremely significant for all characters at high temperature,soluble protein content,proline content,POD activity,SOD activity,CAT activity,MDA content increased.Soluble protein content,proline content,POD activity,SOD activity,CAT activity of high resisted materials were larger,MDA content were smaller,medium resisted materials revealed contrary trend.Correlation analysis showed that heat tolerance had reached the significance level with soluble protein content,SOD activity,MDA content,these indexes would be characters for identification of heat tolerance in Chinese cabbage seedling.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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