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首页> 外文期刊>Journal of New Seeds >Gibberellic Acid Enhances the Emergence of Zizyphus joazeiro Seeds
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Gibberellic Acid Enhances the Emergence of Zizyphus joazeiro Seeds

机译：赤霉素酸增强Zizyphus joazeiro种子的出现

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摘要

Zizyphus joazeiro (Rhamnaceae) is a native species of the Brazilian semiarid region. It has a very low germination rate, thus complicating the scion production for reforestation projects and commercial use. Several species from Rhamnaceae have been reported to increase germination when treated with gibberellic acid (GA(3)). The purpose of this work was to study The effect of gibberellic acid on the rate and speed of emergence in this pecies. Three GA(3) solutions (1, 2, and 3 mM), along with a control of distilled water, were evaluated using seeds previously treated with sulfuric acid. The GA(3) treatments enhanced the emergence of seeds. Sixty-two days after sowing the GA(3) treatment-induced seeds, percentage emergence increased almost five times in comparison with nontreated seeds. However, there was no statistical difference among the three concentrations of GA(3). Thus, Zizyphus joazeiro seed treatment with GA(3) is simple and adequate for scion production.
机译：Zizyphus joazeiro（鼠李科）是巴西半干旱地区的本地物种。它的发芽率非常低，因此使造林项目和商业用途的接穗生产变得复杂。据报道，鼠李科的几种物种在用赤霉素处理时会增加发芽（GA（3））。这项工作的目的是研究赤霉素对小便出苗的速率和速度的影响。使用预先用硫酸处理过的种子评估了三种GA（3）溶液（1、2和3 mM）以及蒸馏水的对照。 GA（3）处理提高了种子的出苗率。播种GA（3）处理诱导的种子后的62天，与未处理的种子相比，出苗率增加了近五倍。但是，GA（3）的三个浓度之间没有统计学差异。因此，用GA（3）处理Zizyphus joazeiro种子很简单，足以用于接穗生产。

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