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首页> 外文期刊>Revista rvore >Vegetative propagation of bauhinia x blakeana, an ornamental sterile tree
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Vegetative propagation of bauhinia x blakeana, an ornamental sterile tree

机译：Bauhinia X Blakeana，观赏无菌树的植物繁殖

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Bauhinia x blakeana (B. purpurea x B. variegata) is a natural hybrid that has been cultivated in gardens, streets and parks. Due to its sterility, it must be vegetatively propagated. The objective of this work was to evaluate the viability of cuttings and grafting on its propagation. Semi-woody cuttings were collected during four seasons and treated with 0; 1,000; 2,000; and 3,000 mg L-1 of IBA. The experimental design was entirely randomized and the treatments were arranged in a 4x4 factorial scheme (four collecting times x four IBA concentrations) and five replications with 10 cuttings each, per collecting time and per IBA concentration. Characteristics of roots and shoots were evaluated after 90 days. The data means were compared by the Tukey test and submitted to the polynomial regression analysis. For the grafting experiment, B. variegata and B. variegata var. candida plants of six and 12 months were used as rootstocks and the splice graft and T-budding methods were tested. The experimental design was entirely randomized and the treatments were arranged in a 2x2x2 factorial scheme (two rootstock species x two grafting methods x two rootstock ages) and four replications with five plants each, per rootstock species, per grafting method and per rootstock age. Characteristics of shoots were evaluated after 90 days and the data means were compared by the Tukey test. B. x blakeana can be propagated by semi-woody cuttings collected in spring, without IBA application, or in summer, with the application of 3,000 mg L-1 of IBA. The tested grafting methods were not effective.
机译：Bauhinia X Blakeana（B.Purpurea X B.Variegata）是一种在花园，街道和公园种植的天然杂交。由于其无菌性，必须植物繁殖。这项工作的目的是评估切屑的可行性和对其繁殖的嫁接。在四季中收集半木质切割，并用0处理; 1,000; 2,000;和3,000毫克L-1的IBA。实验设计完全随机化，治疗以4x4因子方案（四次收集时间x 4 IBA浓度）排列，每次收集时间和每次收集时，每次切割的五种复制。 90天后评估根和芽的特征。通过Tukey测试进行比较数据装置并提交给多项式回归分析。用于嫁接实验，B.Variegata和B.Variegata var。用作砧木的念珠菌植物，用作砧木，并测试接头移植物和T-芽面方法。实验设计完全随机化，治疗以2×2x2因子方案（两种砧木物种x两种接枝方法x两种砧木龄）和四种复制，每种植物，每个植物植物，每个接枝法和每种砧木时期。在90天后评估芽的特征，并通过Tukey测试进行数据装置。 B. x Blakeana可以通过春天收集的半木质切割，没有IBA应用，或在夏季，应用3,000 mg L-1的IBA。测试的接枝方法无效。

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