|Table of Contents|

Physiological Response of Different Strawberry Cultivars Under Drought Stress and Evaluation of Drought Resistance

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年02
Page:
30-37
Research Field:
Publishing date:

Info

Title:
Physiological Response of Different Strawberry Cultivars Under Drought Stress and Evaluation of Drought Resistance
Author(s):
ZHANG Qinghua; XIANG Fayun; ZENG Xiangguo; HAN Yongchao; GUO Cong; GU Yucheng; CHEN Fengying
Institute of Industrial Crops,Hubei Academy of Agricultural Sciences,Wuhan,Hubei 430064
Keywords:
strawberry; drought stress; physiological indexes; drought resistance evaluation
PACS:
-
DOI:
10.11937/bfyy.20172506
Abstract:
In order to explore the responses of strawberry to drought stress and screen the index of drought resistant and tolerance resources,nine physiological and biochemical indexes of five strawberry cultivars were compared and analyzed in seedling stage under different levels of drought treatments.Then the drought tolerances of five strawberry cultivars were evaluated based on principal components analysis,subordinate function and cluster analysis.The results indicated that the relative water contents were showing decreasing trend,electrolyte leakages,MDA contents and activity of antioxidant enzymes （superoxide dismutase （SOD),peroxidase isozyme （POD),catalase（CAT)) and three kinds of osmoregulation substances （proline,soluble protein,soluble sugar) contents increased.But there were large differences of variations in nine physiological indexes of different cultivars.In this study,the drought tolerance of five strawberry cultivars were stronger（‘Sweet Charlie’ and ‘Jingyu’),medium （‘Jingyao’) and weaker （‘Ningfeng’ and ‘Yanli’),respectively.

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Last Update: 2018-01-26