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Lowering of Eating Quality Induced by Sterility due to Cool Weather Damage in Hokkaido Rice Varieties
Amylose content Cool damage due to floral impotency Eating quality Protein content Rice plant
2009/8/4
Sterility was induced by low temperature at the booting stage in early maturing varieties in 1986, and in medium and late varieties in 1987, particularly in the varieties without cool tolerance at Hok...
Analysis of Cool-weather Damage of Rice in 1993 Based on Data of Municipal Basis in Hokkaido
Air temperature Crop situation index Grain yield Percentage of ripening Sunshine hours
2009/7/22
Crop situation index(CSI, a ratio of yield to average yield over years)of paddy rice in the Hokkaido area in 1993 was 40, the lowest since 1949, because of a cool-weather damage. The yield and CSI, ho...