贵州山核桃种子萌发前处理的评价

Pedro Pablo Bacca, Jhon Jairo Zuluaga, J. I. Pérez, D. Burbano, M. R. Palacio
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引用次数: 2

摘要

热带湿森林原生森林物种种子萌发的研究对受木材和非木材林产品开发影响的热带湿森林生态系统的更新和保护具有重要意义。广西山核桃。由于其木材和种子的高质量,它已被开发利用。特别是,后者是对制药工业具有高价值的药用油的来源。对这个物种的滥用已经减少了它的种群规模;因此,对苗圃有性繁殖的科学认识是至关重要的。在AGROSAVIA的Investigación El Mira中心,对不同萌发前处理和基质条件下的桂树种子萌发进行了研究。发芽前试验采用裂区设计,随机分布4次重复。累积发芽率(CGP)和平均发芽时间(t50)通过方差分析计算和Tukey多重比较检验,使用InfoStat V.2016进行分析。两组间CGP差异显著(p<0.0001),相互作用差异显著(p<0.0096)。S1+T4发芽率最高,为61%;T50无显著性差异(p=0.24)。本研究表明,在图马科的农业气候条件下,砂底渗吸刻蚀处理的发芽率最高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of pre-germination treatments in Carapa guianensis AUBL
Understanding seed germination of native forest species of the Tropical wet forest is essential for ecosystem regeneration and conservation, which have been affected by the exploitation of wood and non-wood forest products. Carapa guianensis Aulb. (Meliaceae) has been exploited due to the high quality of its wood and seeds. Particularly, the latter is a source of a medicinal oil of high value to the pharmaceutical industry. The indiscriminate use of this species has reduced its population size; therefore, scientific knowledge of its sexual propagation in nurseries is vital. This research aimed to evaluate seed germination of C. guianensis under different pre-germination treatments and substrates at the Centro de Investigación El Mira of AGROSAVIA. Pre-germination assays were conducted in a split-plot design with a random distribution of four repetitions. The cumulative germination percentage (CGP) and mean germination time (t50) were calculated and analyzed through an ANOVA, and Tukey’s multiple comparison test using InfoStat V.2016. Significant differences for CGP among treatments (p<0.0001) and interactions (p<0.0096) were found. The highest germination percentage (61%) was achieved in S1+T4; however, the T50 did not show significant differences (p=0.24). This research demonstrates that the highest germination percentage is achieved through a scarification treatment with imbibition in sand substrate under the agroclimatic conditions of Tumaco.
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