Submergence acclimation to low-temperature stress in rice roots

被引：1
|
作者：
Kato-Noguchi, Hisashi [1 ]
机构：
[1] Kagawa Univ, Fac Agr, Dept Appl Biol Sci, Miki, Kagawa 76107, Japan
来源：
PLANT PRODUCTION SCIENCE | 2007年 / 10卷 / 03期
关键词：
acclimation; alcohol dehydrogenase; ethanol; ethanolic fermentation; low temperature tolerance; rice;
D O I：
10.1626/pps.10.297
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
A low temperature (10 degrees C, 48 h) inhibited primary root growth of rice seedlings (Oryza saliva L.). However, the inhibition was significantly mitigated by submergence for 24 h before the exposure to low temperatures, which induced alcohol dehydrogenase and increased the ethanol concentration in roots. Exogenous application of ethanol also had a similar mitigating effect. These results suggest that submergence pretreatment increases the tolerance to low temperature in rice roots due to ethanol accumulation in the roots.
引用
收藏
页码：297 / 302
页数：6
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