自1993年以来,试验已获得用花药培养的花粉单倍体植株和用未授粉子房培养产生的愈伤组织无性繁殖系。
The paper reports the results of the study since 1993. The haploid plant from the culture of anthers and the clone of ovary without pollination have been obtained.
在开始时每个入选无性系必须包括几个无性繁殖后代。
At the outset they must contain several ramets of every selected clone.
无性繁殖在林业中应用很普遍,而由树木发育阶段转变带来的成熟效应问题,一直是无性系造林的障碍。
Vegetative propagation is widely used in forestry, however, the maturation that due to phase changes during tree development is a huge obstacle.
无性繁殖在林业中应用很普遍,而由树木发育阶段转变带来的成熟效应问题,一直是无性系造林的障碍。
Vegetative propagation is widely used in forestry, however, the maturation that due to phase changes during tree development is a huge obstacle.
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