Morphological and genetic data are crucial for rice breeding selection in long grain and high germination rice breeding projects. A selected rice tree in the F8 series is concentrated on the rice trees with prominent characteristics in the previously selected F7 rice population. The aim of this study is to select F8 varieties from F7 rice varieties, which have low, high germination, and slender seeds. Red seeds, which are not sensitive to light, were subjected to three random and complete block design (RCBD) experiments in a production trial field in the farmers' area of Phi Province. Record 40 main morphological features and analyze statistical data, selecting only 1 rice variety. In order to select purebred, yield components were tested, including germination frequency, seed length, and seed width. The weight of 1000 grains is 19 buds, 12.0 millimeters, 2.8 millimeters, and 30.0 grams, respectively. ANOVA analysis By analyzing the relationships among 40 major rice forms, no differences were found.
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