硼源和硼用量对大豆种子生理品质和根系体积的影响

IF 1.1 4区农林科学 Q3 AGRONOMY

Journal of Seed Science Pub Date : 2023-06-02 DOI:10.1590/2317-1545v45262849

L. S. Dameto, L. Moraes, F. C. Krzyzanowski, A. Moreira

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引用次数: 0

摘要

摘要:近年来，大豆的产量不断提高。然而，尽管如此，由于缺乏质量控制和对植物营养状况影响的了解，很大一部分种子的发芽和活力受到了影响。本试验旨在研究不同溶解度硼源对大豆种子和根系生长的生理影响。实验设计采用2×5因子设计，采用两种B源(硼酸和无辉石)和五种B率(0、2、4、8和16 mg.kg-1)。测定百粒重(100SW)、发芽率、苗长(SSL)、苗长(SRL)、加速老化(AA)、根突(RP)、种皮木质素含量(LCSC)和根体积(RV)。B源和施氮量与RV、RP、SSL、SRL和100SW的增加有显著的交互作用，而LCSC随施氮量的增加而降低，但无交互作用，表明施氮量达到8.0 mg时，种子质量下降。kg-1，不管B源使用。

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Boron sources and rates on soybean seed physiological quality and root system volume

Abstract: Soybean has shown increasing performance in terms of yield in recent years. However, despite this growth, the lack of quality control and knowledge about the effects of the nutritional status of plants has compromised the germination and vigor of a significant proportion of seeds. The aim of this study was to evaluate the physiological performance of seeds and root growth of soybean cultivated with boron (B) sources with different solubilities incorporated into the soil. The experimental design was completely randomized in a 2×5 factorial arrangement, with two B sources (boric acid and ulexite) and five B rates (0, 2, 4, 8, and 16 mg.kg-1). 100-seed weight (100SW), germination, seedling shoot length (SSL), seedling root length (SRL), accelerated aging (AA), root protrusion (RP), lignin content in the seed coat (LCSC), and root volume (RV) were evaluated. The B sources and rates showed a significant interaction with increases in RV, RP, SSL, SRL, and 100SW, while the LCSC decreased with increasing rates with no interaction effect, indicating a reduction of seed quality with rates up to 8.0 mg.kg-1, regardless of the B source used.

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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.