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Evaluation of Drought and Heat Resistances for Festuca arundinacea New Strains(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年18期
Page:
63-66
Research Field:
Publishing date:

Info

Title:
Evaluation of Drought and Heat Resistances for Festuca arundinacea New Strains
Author(s):
YANG Chun-yan; ZHANG Wen; ZHONG Li; WU Jia-hai
Guizhou Institute of Prataculture,Dushan,Guizhou 558200
Keywords:
Festuca arundinacea; new strains; drought and heat resistances
PACS:
S 688.4
DOI:
-
Abstract:
Taking 11 Festuca arundinacea varieties as test materials,in contrast of ‘Fawn’(introduced variety) and ‘Shangnong’,the brown rate,death rate,content of total chlorophyll,chlorophyll a,chlorophyll b content,free proline content and cell membrane permeability changes of physiological index of Festuca arundinacea under drought and heat stresse were determinated and observed,evaluation of drought resistance of each variety were studied.The results showed a significant difference between new stains to drought and heat tolerances were:‘I112’>‘J168’>‘F113’>‘D78’>‘J172’>‘D73’>‘B166’>‘D76’>‘Shangnong’>‘B29’>‘B169’>‘J174’>‘Fawn’.These results would give a valid references for new variety breeding.

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Last Update: 2014-08-14