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三种胁迫预处理对麻疯树幼苗抗冷性的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2006年05期
Page:
60-62
Column:
研究论文
publishdate:
2006-05-20

Article Info:/Info

Title:
Effects of Three Types Stress Pretreatment on Chilling Resistance of Jatropha curcas Seedlings
Article ID:
1000-2006(2006)05-0060-03
Author(s):
ZHANG Ming sheng12 ZHANG Li xia1 WU Shu jing2 LI Jin-qiang3 YANG Yong-hua2*
1. The College of Life. Science Guizhou University. Guiyang 550025. Chinas2. The College of Life Science Nanjing University. Nanjing 210093. Chinas3. Guizhou Citrus Institute, Luodian 550100, China
Keywords:
Jatropha curcas L. Seedling Stresses pretreatment Chilling resistance
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2006.05.014
Document Code:
A
Abstract:
The changes of relative leakage of electrolytes and fresh weight from leaves of Jatropha curcas L. seedlings were studied after the seedlings were pretreated with drought (the water content of ground substance was less than 6.0%) for 72 hours, low temperature ((10± 1)℃) for 72 hours and salt solution (0.25 mol/L NaCl) for 120 hours, and during low temperature ((2± 1)℃) for 72 hours together with the controls. The results showed that the relative leakage of electrolytes of pretreated seedlings was markedly reduced and fresh weights of leaves were small affected compared with the control (CK). In other words, different stresses pretreatments could efficiently enhance the chilling resistance of J. curcas seedlings. It is suggested that J. curcas seedlings have an ability of cross-adaptation under the stress condition.

References

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Last Update: 2013-05-20