每穗粒数与一、二次枝梗数密切相关。
The seed number per ear was closely correlated with the first and secondary panicle branches.
第二、三次枝梗原基形成期；
The stage of secondary and third branches primordia formation ;
每穗总粒数与结实一次枝梗数和现存二次枝梗数均密切相关。
Total grain number per spike correlated closely to fruiting primary rachis branch number and existing secondary rachis branch number.
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