|Table of Contents|

Study on the Semi-lethal Temperature of Germplasm Resources of Vitis amurensis Branches(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年21期
Page:
19-22
Research Field:
Publishing date:

Info

Title:
Study on the Semi-lethal Temperature of Germplasm Resources of Vitis amurensis Branches
Author(s):
HE Wei; AI Jun; YANG Yi-ming; FAN Shu-tian; WANG Zhen-xing
Institute of Special Wild Economic Animal and Plant Science，Chinese Academy of Agricultural Sciences，Changchun，Jilin 130112
Keywords:
Vitis amurensis Rupr.; cold resistance; maturity; Logistic equation; semi-lethal temperature (LT50)
PACS:
S 663.102.4
DOI:
-
Abstract:
Taking one-year-old dormant branches of 9 germplasm resources of  Vitis amurensis  as test materials，the relative electric conductivity was determined under different artificial simulated low temperature which was fitted to Logistic equations，then calculated the semi-lethal temperature (LT50) of the 9 germplasm resources of  Vitis amurensis respectively,in order to evaluate cold resistance of  Vitis amurensis.The results showed that the relative electric conductivity was closely fitted to Logistic equations，indicating the LT50was accurate and reliable，which could be used as indicator identified of cold resistance of  Vitis amurensis.The cold resistance existed certain difference among the 9 germplasm resources of  Vitis amurensis.Their LT50were from -31.98℃to -39.41℃.There was no significant correlation between cold resistance and maturity among the 9 germplasm resources of Vitis amurensis.

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Last Update: 2014-11-28