Japanese Journal of Crop Science
Online ISSN : 1349-0990
Print ISSN : 0011-1848
ISSN-L : 0011-1848
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Prospect for Developing Measures to Prevent High-Temperature Damage to Rice Grain Ripening
Satoshi Morita
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JOURNAL FREE ACCESS

2008 Volume 77 Issue 1 Pages 1-12

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Abstract
Recently, in Japan, high temperature is causing a decrease in rice grain weight and quality such as transparency, roundness and cracking. There is a genuine concern that ongoing global warming will seriously affect rice production. Consequently measures to prevent damage by high temperatures and knowledge on the mechanisms of this damage are urgent issues today. In this paper, the current status and background of rice ripening damage by high temperatures are shown. Furthermore, the studies on the mechanisms of grain weight decrease, poor palatability, cracking grain and immature grains with white portion and deep ditch and also the studies on the improvements of tolerant cultivars and cultivation methods are shown and discussed for future works.
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© 2008 by The Crop Science Society of Japan
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