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江蓠主枝不同部位的生长观察
任国忠1, 陈美琴1
中国科学院海洋研究所
摘要:
实验用切枝培养的方法,研究了主枝不同部位的生长,以顶枝生长最快,基部生长最慢。实验结果还表明,切下的枝段生长有极性。文章还对切枝培养方法进行了讨论。
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基金项目:
OBSERVATIONS ON THE GROWTH OF DIFFERENT PART OF PLANT SEGMENTS OF GRACILARIA ASIATICA SP. NOV.
Abstract:
The plant segments of Gracilaria are capable of growing up new plants when it detached from the fronds. We observed the growth of plant segments of Gracilaria asiatica sp. nov. by culturing apical, median and basal segments cut one meter in length from the main branches in laboratory. The results of the experiment are summarized as follows: 1. The growth rate of different part of plant segments is different. The apical segments of main branches grow more evidently than the median and basal segments. 2. The regenerate branchlets spring only at the fronting end towards the tip of branches. 3. The method of culturing the plant segments in laboratory could be applicable for mariculture.
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