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Ca2+对花生幼苗耐热性的影响(PDF)

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

Issue:
2006年03期
Page:
47-50
Column:
研究论文
publishdate:
2006-03-20

Article Info:/Info

Title:
Effects of Ca2+ on Heat Tolerance of Peanut Seedling
Article ID:
1000-2006(2006)03-0047-04
Author(s):
ZAI Xue-ming13 WU Guo-rong1* QIN Pei1* WANG Guang1
1. Halophyte Research Lab of Nanjing University, Nanjing 210093, Chinas2. School of Life Science Nanjing Norma] University, Nanjing 210097, China~ 3. Horticulture Department Jinling Institute of Technology, Nanjing 210038, China
Keywords:
Peanut seedling Ca2+ Physiological indexes Ultrastructure Tolerance to heat
Classification number :
S565.2
DOI:
10.3969/j.jssn.1000-2006.2006.03.009
Document Code:
A
Abstract:
After being sprayed with 10 mmol/L CaCl2, peanut seedlings were grown in the incubator at 42~C. Some physiological indexes were investigated every three hours, while the ultrastructure of the young leaves was observed. Results showed that Ca2+ could effectively inhibit chlorophyll content, decrease photosynthesis rate and improve or protect the activity of Ca2+-ATPase. U/trastructural observation showed that Ca2+ could stay the membrane structure of organelle such as chloroplast etc. to be destroyed effectively under the stress of high temperature. Caz+ could improve the heat tolerance of peanut seedlings.

References

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Last Update: 2013-05-20