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Effect of Drought Stress on Chlorophyll Content and Root Activity of Spring Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2011年06期
Page:
949-953
Research Field:
Publishing date:

Info

Title:
Effect of Drought Stress on Chlorophyll Content and Root Activity of Spring Soybean
Author(s):
DONG Shou-kun1ZHAO Kun2LIU Li-jun1SUN Cong-shu1GUO Qian-qian1RUAN Ying-hui1WANG Li-bin1
1.College of Agriculture,Northeast Agricultural University,Harbin 150030,Heilongjiang;
2.Heshan Farm of Heilongjiang Province,Nenjiang 161443,Heilongjiang,China
Keywords:
Water stressSpring soybeanChlorophyllRoot activity Root relative water content
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2011.06.0949
Abstract:
In order to research the effect of drought stress on soybean physiological property,chlorophyll content,root activity and root relative water content of three spring soybean varieties with different drought resistance were determined under drought stress. The results showed that chlorophyll content and root relative water content decreased significantly with the increase of drought stress,the root activity was seedling >flowering >pod-setting >seed-filling,the root relative water content was seed-filling >pod-setting >flowering >seedling.The chlorophyll content in seedling and root activity in seedling,flowering,pod-setting were Heinong 57>Gailiang 168>Suinong 26 under drought stress.The root relative water content was Heinong 57>Gailiang 168>Suinong 26 under moderate drought stress.Under field moisture capacity of 30%-75%,root relative water content significant positively correlated with chlorophyll content,while significant negatively correlated with root activity.

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Last Update: 2014-08-18