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Agronomy
Special Issues
Strategies for Enhancing Abiotic Stress Tolerance in Crops
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Special Issue "Strategies for Enhancing Abiotic Stress Tolerance in Crops"

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

Deadline for manuscript submissions: 30 November 2023 | Viewed by 1317

Special Issue Editor

Dr. Fangbin Cao

E-Mail Website
Guest Editor
College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310000, China
Interests: crop abiotic stress response; genome-wide association mapping; molecular biology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Abiotic stresses, which include heavy metals, salinity, aluminum, drought, waterlogging, and extreme temperature, are major constraints in global agricultural soils that limit crop growth and reduce both crop productivity and quality. Improving crop abiotic stress tolerance is of great significance to ensure food safety production around the world. Thus, strategies are needed for crops to improve their adaptation to abiotic stresses. Therefore, this Special Issue, entitled “Strategies for Enhancing Abiotic Stress Tolerance in Crops”, aims to highlight a range of reviews, perspectives and research articles on:

  • Plant growth regulators for improving abiotic stress tolerance in crops and their physiological and molecular mechanisms;
  • Understanding of the genetic architecture and identification of the genetic loci underlying abiotic stress tolerance using QTL methods;
  • Identification of key genes responsible for abiotic stress tolerance;
  • Molecular strategies to enhance abiotic stress tolerance using genome editing and overexpression technology;
  • Big data analysis.

Considering your expertise in the field, we would like to invite you to submit related papers to us.

Dr. Fangbin Cao
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 2200 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
  • abiotic stress
  • strategies
  • plant growth regulator
  • molecular methods
  • QTL

Published Papers (2 papers)

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Research

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Article
Physiological and Biochemical Mechanisms of Exogenous Melatonin Regulation of Saline–Alkali Tolerance in Oats
by
Qiang Wang
,
Weiwei Xu
,
Changzhong Ren
,
Chao Zhan
,
Chunlong Wang
,
Junwei Li
,
Qinyong Ren
,
Xiaotian Liang
,
Liming Wei
,
Dabing Xiang
,
Junying Wang
and
Laichun Guo
Agronomy 2023, 13(5), 1327; https://doi.org/10.3390/agronomy13051327 - 09 May 2023
Viewed by 633
Abstract
Saline–alkali stress is one of the major factors limiting oat seed germination. The regulatory role of melatonin (MT) as a naturally occurring active substance is well known, but the mechanism of MT-mediated intrinsic physiological regulation of oat seed germination under saline–alkali stress is [...] Read more.
Saline–alkali stress is one of the major factors limiting oat seed germination. The regulatory role of melatonin (MT) as a naturally occurring active substance is well known, but the mechanism of MT-mediated intrinsic physiological regulation of oat seed germination under saline–alkali stress is unclear. Therefore, this study investigated (1) the variability of different MT seed soaking concentrations and times on the germination of oat seeds under saline–alkali stress, and (2) the possible physiological regulatory mechanisms of MT on the germination of oat seeds under saline–alkali stress. The results showed that seed vigor was significantly reduced under saline–alkali stress, and seed germination of oats was significantly inhibited; different concentrations of MT seed soaking treatments improved the germination rate, germination potential, germination index, vigor index, root length, germ length, fresh weight, and dry weight; and, overall, treatment improved seed germination and exhibited the phenomenon of “low promotion and high inhibition”. The 100 μmol·L−1 MT seed soaking treatment effectively enhanced the activities of seed antioxidant enzymes (SOD, POD, CAT, and APX) and nonenzymatic antioxidants (GSH and AsA), affected the AsA-GSH cycle, and effectively increased the contents of osmoregulatory substances (proline, protein, and soluble sugar) by reducing levels of H2O2, OH−, and MDA, thus enhancing the tolerance of oats to saline–alkali and promoting seed germination. In conclusion, MT has a positive effect on the saline–alkali tolerance of oat seeds. Full article
(This article belongs to the Special Issue Strategies for Enhancing Abiotic Stress Tolerance in Crops)
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Article
Identification of Wheat Germplasm Resistance to Late Sowing
by
Samia Mahgoub Omer Basheir
,
Yi Hong
,
Chao Lv
,
Hongwei Xu
,
Juan Zhu
,
Baojian Guo
,
Feifei Wang
and
Rugen Xu
Agronomy 2023, 13(4), 1010; https://doi.org/10.3390/agronomy13041010 - 29 Mar 2023
Viewed by 493
Abstract
To evaluate the performance of wheat plant height and spike-related traits under delayed sowing conditions, a screening trial was conducted for wheat germplasm that exhibits resistance to late sowing and early maturity. The differences and stability of plant height and spike-related traits under [...] Read more.
To evaluate the performance of wheat plant height and spike-related traits under delayed sowing conditions, a screening trial was conducted for wheat germplasm that exhibits resistance to late sowing and early maturity. The differences and stability of plant height and spike-related traits under different sowing dates were analyzed using 327 wheat germplasm sources from a wide range of areas. The results showed that mean values of wheat plant height and spike-related traits generally decreased along with the delay in sowing dates. Broad-sense heritability of plant height (PH), internode length below spike (ILBS), spike length (SL), spikelet per spike (SPS), and spike number (SN) under multiple environments were all above 85%. Ten varieties, including Xiangmai 35, Pingyang 27, Huaimai 23, Huaimai 22, Emai 6, Zhenmai 12, Xiaoyan 81, Shannong 7859, Annong 1589, and Shuiyuan 86 indicated stable performance under different sowing dates, which harboring good resistance to late sowing. The results of this study laid a foundation for breeding high-yield wheat varieties that are resistant to late sowing. Full article
(This article belongs to the Special Issue Strategies for Enhancing Abiotic Stress Tolerance in Crops)
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