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首页> 外文期刊>Advances in Forestry Science >Influence of cutting diameter, auxin and rooting substrate on adventitious rooting from hardwood cuttings of Azadirachta indica A. Juss (Neem)
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Influence of cutting diameter, auxin and rooting substrate on adventitious rooting from hardwood cuttings of Azadirachta indica A. Juss (Neem)

机译：cutting插直径，生长素和生根基质对印AAzadirachta indica A. Juss（Neem）硬木cutting插不定根的影响

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摘要

Azadirochta indica A. Juss (Neem) is a native Indian tree, well known for its medicinal features and have important to local economy. For Conservation of the genetic resources of neem, the effect of diameter (> 0.5; 0.5-1.5 and 1.5-2.5 cm), auxin, their different concentration in different rooting media on adventitious root formation (ARF) in hardwood cuttings of Azadirachta indica was studied. Three different rooting substrate (media) (sand, vermiculite and soil) were used and the experiment was established using three types of auxin (IBA, IAA and NAA) and 6 concentrations (100; 250; 500; 750; 1,000 and 1,500 mg L -1 ). Significant effects of cuttings diameter, auxin, their concentration and rooting substrate on adventitious rooting from neem hardwood cuttings were observed. The rooting percentage, number of roots, root length and number of leaves were evaluated. Among the all diameter of hardwood cuttings used, 0.5-1.5 cm diameter showed maximum rooting. IBA (500 mg L -1 ) resulted in higher rooting percentage (80%) with 6.82 sprouts, 53.06 roots, 7.13 cm root length and 7.0 leaves per rooted hardwood cuttings, when growing in sand rooting substrate. The determination of proper rooting protocols and the use of hardwood cuttings were proved important for propagation of A. indica .
机译：Azadirochta indica A. Juss（Neem）是印度本地树种，以其药用特性而闻名，对当地经济具有重要意义。为了保护印em的遗传资源，直径（> 0.5; 0.5-1.5和1.5-2.5 cm），生长素及其在不同生根介质中的不同浓度对印A印hard硬木插条不定根形成（ARF）的影响是研究。使用了三种不同的生根基质（介质）（沙子，ver石和土壤），并使用三种类型的生长素（IBA，IAA和NAA）和6种浓度（100、250、500、750、1,000和1,500 mg L）建立了实验。 -1）。观察到of插直径，生长素，其浓度和生根基质对印ne硬木插条不定根生根的显着影响。评价生根率，根数，根长和叶数。在使用的所有硬木插条的所有直径中，直径0.5-1.5 cm显示出最大的生根。当在生根基质中生长时，IBA（500 mg L -1）导致较高的生根率（80％），每个生根硬木插枝有6.82根芽，53.06根，7.13 cm根长和7.0片叶子。确定适当的生根方案和使用硬木插条对A桐的繁殖具有重要意义。

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