莽草酸高含量的八角优良单株选择研究-云南省林业科学院 关键词：莽草酸；八角；优良单株；选优 [gap=874]Key words:shikimic acid;Illicium verum; superior individual plant; selection
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... 优良单株 superior individual 优良单株 superior individual of varieties 优良单株 superior individual plant ...
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在山西省交城县采用全光照自动间歇喷雾装置对野生珍珠梅优良单株进行嫩枝扦插试验。
Soft cutting propagation of fine strain of wild Sorbaria sorbifolia was carried out in Jiaochen county of Shanxi under the full sunlight and automatic intermittent spraying.
论述了优树选择应遵循优良种源区选择优良林分，优良林分中选择优良单株的系统选择原则。
The selection principle is selecting stand from fine seed source and from them selecting fine individuality.
通过综合指数选择法，选出了优良速生、耐寒家系和单株，并率先选择了速生、耐寒且木材品质好的优良单株。
Ultimately some elite families and trees with rapid growth, good cold tolerance and good wood properties were selected by a comprehensive index method.
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