Genetic analysis and studies on chalkiness character of F 1 and F 2 plants in six combinations indicated that inheritance of chalkiness character belongs to inheritance of endosperm xenia and its heritability was high Single\|grain selection on chalkiness of F 1 grain help to eliminate the plants with chalk grain in early time,and the efficiency was high.Seasonal influence on chalkiness character and dominant\|recessive relationship among the progenies were also analysed.
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