珙桐种子萌发和再生与活性氧的关系

IF 1.1 4区农林科学 Q3 AGRONOMY

Journal of Seed Science Pub Date : 2023-06-02 DOI:10.1590/2317-1545v45262916

Isabela Pedroni Amorim, J. P. Silva, C. J. Barbedo

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引用次数: 0

摘要

摘要:紫金桃科Eugenia L.种子具有独特的繁殖策略，活性氧(reactive oxygen species, ROS)似乎与种子萌发和成苗有关。本研究通过应用抗氧化剂n -乙酰- l-半胱氨酸(NAC)，间接分析了活性氧对珙桐种子萌发的影响。结果表明，NAC孵育抑制和/或延迟了种子的萌发，以及根和地上部分的再生。NAC浓度越高，对种子萌发和再生的影响越大。

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Germination and regeneration of Eugenia involucrata (Myrtaceae) seeds correlated with reactive oxygen species

Abstract: Seeds of the genus Eugenia L. (Myrtaceae) have interesting propagation strategies, and the reactive oxygen species (ROS) seem to be related to their germination and seedling production. In this study, the effects of ROS on the germination of E. involucrata seeds were analyzed indirectly, with the application of N-acetyl-L-cysteine (NAC), an antioxidant. The results demonstrated that the incubation in NAC suppressed and/or delayed the germination of the seeds, as well as the regeneration of roots and aerial parts. The higher the concentration of NAC, the greater the effects on seed germination and regeneration.

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来源期刊

Journal of Seed Science Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.00

自引率

30.00%

发文量

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.