经选实生苗
The grafted seedlings were propagated and then planted by trial design. With 9-year effort, 13 elite clones such as Butter Tallow Tree No. 1 and so on were selected.
按试验设计试种,经过9年的努力,筛选出白脱柏1号等13个优良无性系。
There were some significant differences in the physiological and biochemical characteristics and growth and development of rubber seedlings between that selected by hypertonic solution and water or germinated in sandy forcing bed.
高渗溶液人工胁迫选出的橡胶籽苗在生理生化特性及生长发育方面与清水浸泡和沙播对照有明显的差异。
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