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Distribution of grain thickness and its anthocyanin content of colored rice var. Josangheugchal as affected by different transplanting date KCI 등재
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- URLhttps://db.koreascholar.com/Article/Detail/318773
We investigated outer appearance of brown rice(BR) and its anthocyanin content of Josangheugchal a colored rice variety as affected by different transplanting date(from May 15 to June 24, 10 day interval, 5 times). Thickness of BR was mainly 1.6～2.0mm which occupied 96.7% ~ 99.5% under different transplanting date. As transplanting time was late, mode of thickness of BR was clearly decreased : 2.0mm on May 15 and May 25, 1.9mm on June 4 and June 14, and 1.8mm on June 24. There was statistically significant difference in length, width and 1000 grain weight of BR according to both transplanting date and thickness of BR. There was highly significant positive corelation between thickness and length of BR and between thickness and 1000 grain weight of BR. Anthocyanin content linearly increased from 119.7mg/100g on May 15 to 384.4mg/100g on June 24 as transplanting time was late, and was highest in 1.8~1.9mm thickness of BR. Coefficient of variation for anthocyanin content by thickness of BR was lowest on June 24. According to the facts stated above it is recommendable to transplant Josangheugchal in late June to produce highly marketable colored rice.
