秆长的表现型值及其CRI值受少数主效基因控制，具有较高的狭义遗传力。
Culm length and its CRI were affected by a few major genes, and these traits had high narrow-sense heritability.
无论是主 茎还是分蘖，其 茎秆糖锤度的垂直分布为中部偏上节间较高，上部和 下部节间较低。
The vertical distribution Brix in main stem or tiller are: nodal distance above middle node is higher, top and base modal distance are lower.
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