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深山含笑和乐昌含笑的抗寒性测定(PDF)

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

Issue:
2004年06期
Page:
55-57
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
A Study on Cold Resistance of Michelia maudiae and M.chapaensis by Electric Conductivity Method
Article ID:
1000-2006(2004)06-0055-03
Author(s):
TIAN Ru-nan~1XUE Jian-hui~1LI Xiao-chu~2PAN Liang~1
1.Nanjing Forestry University,Nanjing 210037,China;2.Jiangsu Academy of Forestry,Nanjing 211153,China
Keywords:
Michelia maudiaeM.chapaensisElectric conductivity methodSemilethal temperatureCold resistance
Classification number :
Q945
DOI:
10.3969/j.jssn.1000-2006.2004.06.014
Document Code:
A
Abstract:
Three and six aged Michelia maudiae and M.chapaensis were selected to study their cold resistance under different low temperature by determining the relative electric conductivity in leaves of the trees.The semilethal temperature of M.maudiae and M.chapaensis were gotten from Logistic equation.The results showed that the semilethal temperature of M.maudiae and M.chapaensis were below -11 ℃ except 3-aged M.chapaensis(little higher than -10 ℃) by exercise in winter.The cold resistance of M.maudiae was stronger than that of M.chapaensis,and the cold resistance increasing as age of trees growed and the air temperature of cultivation region descended.At the same time,the article inquiried into the successful possibility of introduction of M.maudiae and M.chapaensis in Nanjing region.

References

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Last Update: 1900-01-01