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Journal of Tea Science ›› 2013, Vol. 33 ›› Issue (6): 512-516.doi: 10.13305/j.cnki.jts.2013.06.011

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Gray Correlation Analysis of Physiological Traits Related to Drought Tolerance in Tea Plant

WANG Xiao-ping, WANG Yun, TANG Xiao-bo, LUO Fan, MA Wei-wei, WANG Ying-chun, LI Chun-hua   

  1. Tea Research Institute of Sichuan Academy of Agricultural Sciences, Chengdu 610000, China
  • Received:2013-01-17 Revised:2013-03-01 Online:2013-12-30 Published:2019-09-04

Abstract: A total of 5 physiological traits measured in 5 tea cultivars which grown at drought conditions, and analyzed using gray relational grade analysis method. Results showed that, the analysis between each trait and its drought tolerance index were ranked according to their gray correlation degree to drought tolerance as follows: activities of SOD(0.6658), malondialdehyde content(0.6595), soluble sugar content(0.6282), activities of POD(0.6094), dissociative proline content(0.5950). The drought tolerance of tested cultivars was decreased as follows: D-1, Tezao213, S-1, Fu-ding-da-bai, T-1.

Key words: tea plant, drought tolerance, physiological traits, gray correlation analysis

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