the invention is characterized by short vegetative cycle, low in production cost, good in quality and has scale production.
具有生长周期短、生产成本低、品质好、可规模化生产种苗的特点。
The parameters of the vegetative growth, the clonal reproduction and the sexual reproduction of the natural, fertilizable, drought stress and pruning stress conditions were analyzed by the principal component analysis ( PCA), and the life cycle forms are determine by score proportion of PCA.
将正常生长与施肥、干旱和剪枝后的长春花营养生长、有性生殖、克隆生殖形态学参数进行主成分分析,根据主成分得分比例划分生活史型。
The life cycle of the spore plant can be classified as: ( 1) vegetative propagation ( 2) asexual reproduction;
孢子植物的生活史可归纲为七种类型:(1)只有营养繁殖;(2)只有无性生殖;
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