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首页> 外文期刊>Journal of Forestry Research >Clonal propagation of guava (Psidium guajava Linn.) by stem cutting from mature stockplants
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Clonal propagation of guava (Psidium guajava Linn.) by stem cutting from mature stockplants

机译：番石榴成熟茎植物无性繁殖的番石榴无性繁殖

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摘要

The study describes the scope of clonal propagation of guava (Psidium guajava Linn.) by stem cutting collected from mature stockplants. Cuttings were treated with 0, 0.2%, 0.4% and 0.8% IBA solution and rooted in the non-mist propagator. Rooted cuttings were allowed to grow in the polybags filled with soil and cow-dung mixed in the ratio of 3: 1 (by volume) for three months to assess the steck-ling capacity and initial growth performance. The study reveals that the species is amenable for clonal propagation by mature stem cutting. The highest rooting percentage (60%) was observed in the cuttings treated with 0.4% IBA solution followed by 0.2% IBA and the lowest was in controlled cuttings. The maximum number of primary root (32.7) was developed in the cuttings treated with 0.8% IBA solution followed by 0.4% IBA and the lowest was in the cuttings without IBA treatment. The highest survival percentage (70.9) was observed in the cuttings rooted with 0.4% IBA treatment and the lowest (58.3) was in the cuttings without any treatment. However, there was no significant variation in height growth of cutlings due to IBA treatments in rooting.
机译：这项研究描述了通过从成熟的砧木中收集的茎干进行番石榴无性繁殖的范围。用0、0.2％，0.4％和0.8％IBA溶液处理插条，然后将其插在无雾繁殖器中。使生根的插条在装有土壤和牛粪的塑料袋中以3：1（按体积计）的比例生长三个月，以评估其结壳能力和初始生长性能。研究表明，该物种适合通过成熟的茎切割进行克隆繁殖。在用0.4％IBA溶液处理的插条中观察到最高的生根百分比（60％），然后是0.2％IBA，而在受控插条中观察到最低。在用0.8％IBA溶液处理后的插条中形成最大的根系根数（32.7），然后是0.4％IBA，而在没有IBA处理的插条中则形成了最小的根系。在以0.4％IBA处理的插条中观察到最高存活率（70.9），而在未进行任何处理的插条中观察到最低存活率（58.3）。然而，由于生根的IBA处理，皮毛的高度增长没有显着变化。

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