Physiological potential of soybean seeds treated and stored under uncontrolled conditions

IF 1.1 4区农林科学 Q3 AGRONOMY

Journal of Seed Science Pub Date : 2023-01-27 DOI:10.1590/2317-1545v45262942

R. F. Santos, H. F. Placido, L. Lara, Hugo Zeni Neto, F. A. Henning, A. Braccini

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引用次数: 0

Abstract

Abstract: The aim of this study was to evaluate the isolated effect and the combination of products in the chemical treatment on the physiological potential of soybean seeds with different vigor levels, after different storage periods. The study was divided into four experiments, with different storage periods: 0, 45, 90 and 135 days, all with a completely randomized design, with four replicates. The treatments were arranged in a 12 x 2 (A x B) factorial scheme, in which factor A consisted of the application of seed treatment and factor B consisted of initial vigor levels. The physiological potential of the seeds was determined by means of the following evaluations: first germination count, seed germination, seedling emergence in the sand substrate, accelerated aging with NaCl-saturated solution, vigor index and average seedling length (Vigor-S®). Storage of seeds under uncontrolled conditions causes greater deterioration, and this process can be intensified by previous chemical treatment of the seeds. Among the products studied, the use of drying powder alone was the treatment that caused the greatest losses in the different situations studied. To ensure the maintenance of the physiological potential of soybean seeds, treatment should be carried out as close as possible to sowing.

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大豆种子在非受控条件下处理和储存的生理电位

摘要:本试验旨在评价化学处理对不同活力水平、不同贮藏期大豆种子生理电位的单独效应及组合效应。试验分为4个试验，贮存期分别为0、45、90和135 d，采用完全随机设计，共4个重复。处理按12 × 2 (a × B)因子方案安排，其中因子a为施用种子处理，因子B为初始活力水平。通过以下评价来确定种子的生理电位:首次发芽计数、种子萌发、在砂基质中出苗、nacl饱和溶液加速老化、活力指数和平均幼苗长度(vigor -s®)。在不受控制的条件下储存种子会导致更大的变质，而这一过程可以通过事先对种子进行化学处理而加剧。在研究的产品中，在研究的不同情况下，单独使用干粉是造成最大损失的处理。为保证大豆种子生理电位的维持，处理应尽量在播种前进行。

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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.