VEGETATIVE PROPAGATION OF Mimosa Caesalpiniifolia BY MINI-CUTTINGS TECHNIQUE

IF 0.6 4区农林科学 Q4 FORESTRY

Revista Arvore Pub Date : 2022-01-01 DOI:10.1590/1806-908820220000031

Ana Karla Vieira da Silva, Thamiris da Silva Aguiar, Márcia Ellen Chagas dos Santos, Jayane Karine Pereira de Araújo, Álvaro da Costa Freire, Gabriela Salami, Poliana Coqueiro Dias Araújo

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Abstract

ABSTRACT This study aimed to establish a methodology for vegetative propagation via mini-cuttings technique for Mimosa Caesalpiniifolia. For such, three independent experiments were conducted: the first one evaluated survival and production of mini-stumps; the second tested the interaction between mini-cuttings types (apical and intermediate) and different concentrations of indolbutyric acid (IAB; 0, 2,000, 4,000 and 6,000 mg.L-1) on adventitious rooting; and the third analyzed the effect of leaf area reduction (0%, 25%, 50%, 75%, and 100%) on mini-cuttings. Mini-stumps survival at 180 days was 80%, with an average yield of 5 sprouts per mini-stump at 120 days. Apical mini-cuttings demonstrated a higher rooting percentage, without IBA application, higher than 80%. On the other hand, IBA application promotes increased rooting percentage in intermediate mini-cuttings. Treatments without leaf reduction and with reduction of 25% promoted better results concerning rooting and plant development. Results support the hypothesis that mini-cuttings technique is viable for the propagation of Mimosa Caesalpiniifolia.

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含羞草扦插无性繁殖的研究

摘要:本研究旨在建立含羞草(Mimosa Caesalpiniifolia)的无性繁殖方法。为此，我们进行了三个独立的实验:第一个实验评估了小树桩的存活率和产量;第二部分测试了不同浓度吲哚丁酸(IAB)与顶端和中间微岩屑类型的相互作用;0,2,000, 4,000和6,000 mg.L-1)在不定根上;第三组分析了叶面积减少(0%、25%、50%、75%和100%)对小插条的影响。180 d时小树桩成活率为80%，120 d时每个小树桩平均产芽5个。在不施用IBA的情况下，顶端小插条生根率高于80%。另一方面，施用IBA可提高中间小插条的生根率。不减叶处理和减叶25%处理的生根和植株发育效果较好。结果支持了微型扦插技术在含羞草繁殖中是可行的假设。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Revista Arvore FORESTRY-

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

4-8 weeks

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