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Agronomy
Special Issues
Soybean Yield and Quality Improvement
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Soybean Yield and Quality Improvement

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Crop Breeding and Genetics".

Deadline for manuscript submissions: closed (30 June 2024) | Viewed by 2611

Special Issue Editor

Prof. Dr. Futi Xie

E-Mail Website
Guest Editor
Agronomy College, Shenyang Agricultural University, 120 Dongling Rd, Shenyang 110866, China
Interests: crop improvement; plant breeding

Special Issue Information

Dear Colleagues,

In order to continuously meet human needs for the quantity and quality of food, crop yield and quality improvement has always been the goal pursued by breeders. After long-term efforts, soybean yield and quality have been greatly improved, playing a significant role in global food security. In order to communicate the achievements in the process of soybean yield and quality improvement, this Special Issue is organized to collect the research carried out in the fields of soybean yield and quality improvement in recent years, focusing on the collection of theories and methods related to soybean yield and quality improvement, and the physiological or molecular mechanisms of yield and quality formation.

Prof. Dr. Futi Xie
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • crop(soybean) yield and quality improvement
  • physiological mechanism
  • molecular mechanism

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Published Papers (2 papers)

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Research

14 pages, 3092 KiB  
Article
Glyphosate Hormesis Improves Agronomic Characteristics and Yield of Glyphosate-Resistant Soybean Under Field Conditions
by Fábio Henrique Krenchinski, Vinicius Gabriel Canepelle Pereira, Bruno Flaibam Giovanelli, Victor José Salomão Cesco, Ricardo Alcántara-de la Cruz, Edivaldo D. Velini and Caio A. Carbonari
Agronomy 2024, 14(7), 1559; https://doi.org/10.3390/agronomy14071559 - 18 Jul 2024
Viewed by 846
Abstract
Brazil, the world’s largest soybean producer, owes its success to the cultivation of glyphosate-resistant (GR) cultivars. However, the soybean yields lag behind those obtained in areas managed for high productivity. Glyphosate-induced hormesis holds promise for increasing crop yields, but the potential evolution of [...] Read more.
Brazil, the world’s largest soybean producer, owes its success to the cultivation of glyphosate-resistant (GR) cultivars. However, the soybean yields lag behind those obtained in areas managed for high productivity. Glyphosate-induced hormesis holds promise for increasing crop yields, but the potential evolution of resistance in certain weed species poses a challenge to foliar applications under field conditions. This study assessed the effects of a hormesis-inducing glyphosate dose [90 g acid equivalent (ae) ha−1] on the agronomic characteristics and yield of four GR soybean cultivars. The evaluation was conducted in field settings across various Brazilian locations, considering foliar, seed, and seed + foliar treatments. The results showed variations in dry mass, root nodules, nutrient composition, plant height, pods, and yield, primarily influenced by environmental conditions, soil quality, and, ultimately, the interaction between GR cultivars and treatments. Total dry mass consistently increased with glyphosate, with seed and seed + foliar treatments showing the most substantial increases (7–21%). All three treatments increased nodulation by up to 36% across locations and cultivars, with seed + foliar treatment causing notable increases in nodule dry mass (up to 56%), followed by seed treatment (41%). Nutrient composition, especially for N, P, Br, and Fe, displayed location-dependent variations. Plant height varied among locations and cultivars, with minimal differences between treatments. Glyphosate treatments increased pod numbers (10 to 35%) and yields (11 to 42%) of soybean in seed and seed + foliar treatments. The findings highlight the potential of glyphosate hormesis as a viable tool for improving yields of GR soybean cultivars at the field level. However, the extent of benefits depends on the agronomic conditions of location, choice of cultivars, and herbicide application method. Full article
(This article belongs to the Special Issue Soybean Yield and Quality Improvement)
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16 pages, 5361 KiB  
Article
QTL Mapping and Candidate Gene Mining for Stem Diameter Using Genetic Basis of Cultivated Soybean and Wild Soybean
by Lin Chen, Fuxin Li, Lanxin Li, Shengnan Ma, Lin Yu, Chunshuang Tang, Kuangyu Zhao, Zhen Song, Chunyan Liu, Qingshan Chen and Jinhui Wang
Agronomy 2024, 14(5), 1019; https://doi.org/10.3390/agronomy14051019 - 11 May 2024
Cited by 1 | Viewed by 1352
Abstract
Soybean (Glycine max) is a vital food crop, serving as a major source of high-quality protein for human and animal consumption. Stem diameter is one of the primary determinants of the stem lodging resistance of a given plant, but there has [...] Read more.
Soybean (Glycine max) is a vital food crop, serving as a major source of high-quality protein for human and animal consumption. Stem diameter is one of the primary determinants of the stem lodging resistance of a given plant, but there has been relatively little research to date focused on genes associated with this trait. To address this gap in the literature, 207 chromosome segment substitution lines (CSSLs) were generated in the present study through the crossing and backcrossing of the improved Suinong14 and the wild ZYD00006 soybean varieties. These CSSLs were then used for the mapping of quantitative trait loci (QTLs) associated with stem diameter in two-year field planting materials, leading to the identification of nine QTLs. Whole genome resequencing, RNA-seq, and qPCR were then used to evaluate candidate genes associated with stem diameter within these QTL intervals, ultimately leading to the selection of Glyma.04G004100 as a stem diameter-related gene. Subsequent qPCR analyses revealed that Glyma.04g004100 was upregulated in soybean plants with larger stem diameters, and haplotype analyses yielded results consistent with these stem diameter data in the population used to conduct this study. In summary, a series of QTLs associated with stem diameter were identified in the present study, resulting in the establishment of Glyma.04g004100 as a stem diameter-related gene. Together, these results offer a theoretical foundation for the future molecular-assisted breeding of lodging-resistant soybean varieties, and future functional research focused on Glyma.04g004100 may elucidate the molecular mechanisms and key signaling networks involved in soybean stem development. Full article
(This article belongs to the Special Issue Soybean Yield and Quality Improvement)
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