Growth and Development of Kum Bangphra Rice Grown under Different Light Conditions
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Abstract
The objective of this study was to determine the growth and development of Kum Bangphra rice variety grown under different lights conditions. A completely Randomized Design was used with 4 replications. Treaments were natural sun light (T1), LED white: red: blue bulb panel (T2), LED white HP4F-AL (T3), LED full spectrum grow board (T4), and fluorescent (T5). The experiment was conducted from August to December 2020 at the Department of Plant Production Technology, Faculty of Agriculture and Bioresources, Rajamangala University of Technology Tawan-ok. The results showed that the highest growth in terms of stem height of 156.4 cm in T3, tillers per hill of 11.9 tiller/hill in T1, fresh and dry straw weight of 252.7 and 74.0 g and the number of seeds of 353.2 seed/ hill. It was found that rice plant grown under T2 had the fastest development period, booting stage at 60 days, flowering at 95 days, and harvesting at 130 days whereas those in T5 were the latest. It was found that the amylose content was between 18.02-19.32 % at a low amylose content. The T4 experiment had the largest amount of amylose at 19.32 %. Therefore, artificial light source can be an alternative solution for growing rice in low light area.
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References
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