|Table of Contents|

Thermotolerance Comprehensive Evaluation of Medicago sativa L.‘Deqin’ on Seedling Stage(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年20
Page:
69-73
Research Field:
Publishing date:

Info

Title:
Thermotolerance Comprehensive Evaluation of Medicago sativa L.‘Deqin’ on Seedling Stage
Author(s):
ZHAO Yan1CHE Weiguang1BI Yufen2
(1.College of Landscape and Horticulture,Yunnan Agricultural University,Kunming,Yunnan 650201;2.College of Animal Science and Technology,Yunnan Agricultural University,Kunming,Yunnan 650201)
Keywords:
Medicago sativa L.‘Deqin’fall dormancy rateseedling stagethermotolerancecomprehensive evaluation
PACS:
-
DOI:
10.11937/bfyy.201520018
Abstract:
To investigate the thermotolerance of ‘Deqin’ (low fall dormancy rate,1.2) on seedling stage,this experiment was carried out with three alfalfa cultivars,‘Algonquin’ (low fall dormancy rate,2),‘Sardi 10’ (high fall dormancy rate,9) and ‘Deqin’,by comparing the changes of Fv/Fm,EL,MDA,RWC,cytoplasmic protein and membrane protein among their leaves under heat stress (35℃/30℃,day/night).The experiment results showed that the thermotolerance rank of these three cultivars was ‘Sardi 10’ (1.00)>‘Deqin’(0.47)>‘Algonquin’(0.06).‘Sardi 10’ was thermotolerant,‘Algonquin’ was thermosensitive and ‘Deqin’ was mediate.The specific heat tolerance reason of ‘Deqin’ might be related to its maintaining the membrane integrity,holding water in leaves and protecting membrane protein.

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Last Update: 2015-11-19