引物褐藻(Urochloa ruziziensis)& Evrard)带有信号分子的种子能提高发芽

IF 1.1 4区 农林科学 Q3 AGRONOMY Journal of Seed Science Pub Date : 2022-01-01 DOI:10.1590/2317-1545v44262484
Thaísa Fernanda Oliveira, H. Santos, Jéssica Batista Ribeiro, W. Pereira, A. Pereira, Antônio Rodrigues da Cunha Neto
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引用次数: 1

摘要

摘要:随着饲料产量的增加,对优质种子的需求也随之增加。引种是一种提高种子品质和抗逆性的技术。本试验旨在研究水分亏缺和盐胁迫条件下,引发剂对褐藻种子萌发和成苗的影响。建立了一个完全随机试验,评估了6种启动剂和3种萌发条件。我们评估了:种子含水量;发芽率和速度指数;发芽试验中剩余种子的生存力;幼苗长度;抗氧化酶活性;和丙二醛的量。水分亏缺和盐胁迫处理下的种子表现出较好的生理性能。种子发芽率、发芽率和幼苗根、芽长均有显著提高。硝普钠在褐藻种子的生理启动中具有重要的应用潜力。
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Priming Urochloa ruziziensis (R.Germ. & Evrard) seeds with signalling molecules improves germination
Abstract: As forage production increase, high-quality seeds demand follows. Priming have been reported as a technique for improve seed quality and stress tolerance. The aim of this study was to evaluate the priming agents effect on Urochloa ruziziensis seed germination and seedling establishment under water deficit and salt stress. A completely randomized experiment assessing six priming agents and three germination conditions were established. We evaluated: seed water content; germination percentage and speed index; viability of seeds remaining from the germination test; seedling length; antioxidant enzymatic activity; and malondialdehyde quantity. Seeds primed under water deficit and salt stress showed better physiological performance than dry seeds. There was a significant increase in seed germination percentage and speed and in seedling roots and shoots length. Sodium Nitroprusside shows significant potential for use in the physiological priming of U. ruziziensis seeds.
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来源期刊
Journal of Seed Science
Journal of Seed Science Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
2.00
自引率
30.00%
发文量
28
审稿时长
12 weeks
期刊介绍: From 2017 the Journal of Seed Science (JSS) will circulate online version only. Original scientific studies and communications, not yet published or submitted to another journal for publication and written in Portuguese or English, will be accepted for publication. For manuscripts submitted in English, the authors should provide an adequated version. The SCIENTIFIC COMMUNICATION is a category of scientific manuscript which describes a technique, an equipment, new species or observations and surveys of limited results. It has the same scientific rigor as the “Scientific Articles” and the same value as a publication. The classification of a manuscript as a SCIENTIFIC COMMUNICATION is based on its content and scientific merit but it can be a preliminary study, simple and not definitive on a certain subject, with publication justified by its uniqueness and contribution to the area. The Editorial Board of the JSS may invite leading authors of recognized reputation to compose specific Review Articles covering topics of their specialization that will convey to the scientific community the state-of-the-art knowledge related to the specific theme.
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