Silicon promotes seedling growth and alters endogenous IAA, GA3 and ABA concentrations in Glycyrrhiza uralensis under 100 mM NaCl stress

IF 1.7 4区农林科学 Q2 HORTICULTURE

Journal of Horticultural Science & Biotechnology Pub Date : 2019-01-02 DOI:10.1080/14620316.2018.1450097

D. Lang, P. Fei, G. Cao, X. Jia, Y. T. Li, X. Zhang

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引用次数: 21

Abstract

ABSTRACTA sand culture experiment was conducted to determine the effects of Si on the growth and endogenous hormone concentrations (indole-3-acetic acid [IAA], gibberellic acid [GA3], and abscisic acid [ABA]) in Glycyrrhiza uralensis seedlings under 100 mM NaCl stress. Si time-dependently improved the growth and increased the biomass of seedlings, and the effect was greater at 20 days than that at 10 days after Si treatment. The effects of Si on the growth parameters and biomass were dependent on Si concentration, that is, these parameters increased with increasing Si concentration. Si also increased the levels of endogenous hormones in G. uralensis seedlings in a concentration-dependent manner. The effects on IAA and GA3 increased with increasing Si concentrations, and the effect on ABA was higher at 2 mM Si than that at the other Si concentrations. Furthermore, the effects of Si on IAA and GA3 were greater at 10 days than those at 20 days after the treatment, whereas the effect on ABA was greater at 20 ...

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在100mM NaCl胁迫下，硅促进甘草幼苗生长并改变其内源IAA、GA3和ABA浓度

摘要采用砂培试验测定了硅对100mM NaCl胁迫下甘草幼苗生长和内源激素浓度（吲哚-3-乙酸[IAA]、赤霉酸[GA3]和脱落酸[ABA]）的影响。硅处理对幼苗生长有时间依赖性的促进作用，增加了幼苗的生物量，并且在硅处理后20天的效果大于10天。硅对生长参数和生物量的影响取决于硅浓度，即这些参数随着硅浓度的增加而增加。Si还以浓度依赖的方式增加了甘草幼苗的内源激素水平。随着Si浓度的增加，对IAA和GA3的影响增加，2mM Si对ABA的影响高于其他Si浓度。此外，Si对IAA和GA3的影响在处理后10天大于处理后20天，而对ABA的影响在20天时更大。。。

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

Journal of Horticultural Science & Biotechnology 农林科学-园艺

CiteScore

3.90

自引率

5.30%

发文量

审稿时长

3 months

期刊介绍： The Journal of Horticultural Science and Biotechnology is an international, peer-reviewed journal, which publishes original research contributions into the production, improvement and utilisation of horticultural crops. It aims to provide scientific knowledge of interest to those engaged in scientific research and the practice of horticulture. The scope of the journal includes studies on fruit and other perennial crops, vegetables and ornamentals grown in temperate or tropical regions and their use in commercial, amenity or urban horticulture. Papers, including reviews, that give new insights into plant and crop growth, yield, quality and response to the environment, are welcome, including those arising from technological innovation and developments in crop genome sequencing and other biotechnological advances.