|Title:||Effect of global warming on rice culture and adaptive strategies||Authors:||Motohiko Kondo||Keywords:||rice;high temperature;grain quality||Issue Date:||Dec-2009||Publisher:||農業試驗所||Related Publication(s):||農業試驗所特刊第139號||Start page/Pages:||1-9||Source:||International Symposium on Rice Research in the Era of Global Warming||Conference:||International Symposium on Rice Research in the Era of Global Warming
The Fourth Assessment Report of Intergovernmental Panel on Climate Change in 2007 implied the increasing trend in global temperatures associated with anthropogenic greenhouse gases concentrations. In recent years, negative effect by high temperature to rice yield and grain appearance quality is recognized even in sub-tropical and temperate areas. High temperature induced sterility is most serious threat by high temperature on yield reduction. Occurrence of chalky grain is now crucial issue in Japan. Although high temperature during early ripening stages is a major trigger for chalky grain, other climatic conditions such as radiation, agronomic techniques and rice varieties are also responsible. This indicates the importance of integrated measure of variety and crop management to mitigate negative effect of high temperature.
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