Genetic variations on tracheid microfibril Angle of 55 Chinese fir clones were investigated.
对55个杉木无性系管胞微纤丝角的遗传变异进行了研究。
Tensile strength is mainly controlled by tracheid length, tracheid strength, microfibril angle and crystalline degree etc.
顺纹抗拉强度主要受管胞长度、管胞强度、纤丝角度、结晶度等因子的控制。
The broad sense heritability estimates of clones varied between 0.734 and (0.867), indicating the microfibril angle was under strong genetic control.
广义遗传力变化为0.734~0.867，微纤丝角无性系间的差异受很强的遗传控制；
It indicates that there are significant differences for microfibril Angle, basic density, bending strength and rate of shrinkage of poplar 63 and poplar 69 by variance analysis.
方差分析表明：63杨、69杨微纤丝角、基本密度、抗弯强度和干缩率差异显著，说明63杨和69杨受滩地类型影响较大。
The recent progresses in cellulose synthesis, the functions of relative enzymes and microfibril in process of cellulose synthesis were reviewed. The studies in cellulose synthesis were prospected.
本文对纤维素合成、合成中所需要的酶以及纤维素沉积中微纤丝的作用等方面进行了综述和探讨， 并对纤维素合成的深入研究进行了展望。
The recent progresses in cellulose synthesis, the functions of relative enzymes and microfibril in process of cellulose synthesis were reviewed. The studies in cellulose synthesis were prospected.
本文对纤维素合成、合成中所需要的酶以及纤维素沉积中微纤丝的作用等方面进行了综述和探讨， 并对纤维素合成的深入研究进行了展望。
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