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。
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
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。
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
英语网 · 外贸英语
英语网 · 初中英语作文
英语网 · 双语娱乐资讯
英语网 · 少儿英语故事