spike density

Inheritance of Spike Length and Density of Barley in Three Crosses

三个大麦杂交组合的穗长和穗密度的遗传

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Sigmund's thermal spike sputtering model has been modified by replacing the surface energy deposition density in Sigmund's model with average energy deposition density.

对Singmund热尖峰溅射模型进行了修正.用平均能量淀积密度近似代替了Singmund热尖峰溅射模型中的表面能量淀积密度近似。

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Effects of Plant Density on Physiological Characteristics of Different Stems during Tillering Stage in Two Spike-types Winter Wheat Cultivars

种植密度对两种穗型小麦品种分蘖期茎蘖生理特性的影响

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Principle component analysis showed that the first four main components including spike density, kernel weight per spike, grain number, plant height made the contribution of 85.58% to variation, which offered the basis for the parents selection of wheat breading.

主成分分析显示4个主成分（穗密度因子、穗粒重因子、粒数因子、株高因子）对变异的贡献率达85.58%，可作为亲本选择的依据。

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