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Life
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Regulation of Abiotic Stress Resistance in Crops
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Regulation of Abiotic Stress Resistance in Crops

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Plant Science".

Deadline for manuscript submissions: closed (28 July 2023) | Viewed by 3884

Special Issue Editor

Dr. Ruixin Shao

E-Mail Website
Guest Editor
College of Agronomy, Henan Agricultural University, Zhengzhou, China
Interests: abiotic stress; resistance; crops; regulation

Special Issue Information

Dear Colleagues,

Abiotic stress, which includes drought, extreme temperature, salinity, and environmental pollution with heavy metals, results in the growth and yield loss of crops that threatens global food security. With the continued aggravation of climate change, it is crucial to develop multifaceted regulatory strategies to enhance the ability of crops to adapt to abiotic stress, including hormone modulation, plant enzymatic system activation, and stress gene expression. Thus, this Special Issue will not only focus on unravelling how crops react to abiotic stress at physiological, biochemical, and molecular (genetic, epigenetic, transcriptomic, and metabolomic) levels, but will also propose how to regulate the growth and yield formation of crops.

The aim of this Special Issue, entitled “Regulation of Abiotic Stress Resistance in Crops”, is to highlight the mechanisms that control the growth and development of abiotic stress tolerance for the major crop species in the world. Through this, we will capture current and in-depth scientific knowledge on agronomic, morphological, physiological, biochemical, metabolomic, molecular, genomic, genetic, or epigenetic modifications.

Dr. Ruixin Shao
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. Life 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

  • abiotic stress
  • resistance
  • crops
  • regulation

Published Papers (2 papers)

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Research

17 pages, 4966 KiB  
Article
Indexing Resilience to Heat and Drought Stress in the Wild Relatives of Rapeseed-Mustard
by Anamika Kashyap, Sujata Kumari, Pooja Garg, Ranjeet Kushwaha, Shikha Tripathi, Jyoti Sharma, Navin C. Gupta, Rajeev Ranjan Kumar, Rashmi Yadav, Harinder Vishwakarma, Jai Chand Rana, Ramcharan Bhattacharya and Mahesh Rao
Life 2023, 13(3), 738; https://doi.org/10.3390/life13030738 - 09 Mar 2023
Cited by 4 | Viewed by 1951
Abstract
Wild species are weedy relatives and progenitors of cultivated crops, usually maintained in their centres of origin. They are rich sources of diversity as they possess many agriculturally important traits. In this study, we analysed 25 wild species and 5 U triangle species [...] Read more.
Wild species are weedy relatives and progenitors of cultivated crops, usually maintained in their centres of origin. They are rich sources of diversity as they possess many agriculturally important traits. In this study, we analysed 25 wild species and 5 U triangle species of Brassica for their potential tolerance against heat and drought stress during germination and in order to examine the early seedling stage. We identified the germplasms based on the mean membership function value (MFV), which was calculated from the tolerance index of shoot length, root length, and biochemical analysis. The study revealed that B. napus (GSC-6) could withstand high temperatures and drought. Other genotypes that were tolerant to the impact of heat stress were B. tournefortii (RBT 2002), D. gomez-campoi, B. tournefortii (Rawa), L. sativum, and B. carinata (PC-6). C. sativa resisted drought but did not perform well when subjected to high temperatures. Tolerance to drought was observed in B. fruticulosa (Spain), B. tournefortii (RBT 2003), C. bursa-pastoris (late), D. muralis, C. abyssinica (EC694145), C. abyssinica (EC400058) and B. juncea (Pusa Jaikisan). This investigation contributes to germplasm characterization and the identification of the potential source of abiotic stress tolerance in the Brassica breeding programme. These identified genotypes can be potential sources for transferring the gene(s)/genomic regions that determine tolerance to the elite cultivars. Full article
(This article belongs to the Special Issue Regulation of Abiotic Stress Resistance in Crops)
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17 pages, 4244 KiB  
Article
Foliar Application of Spermidine Alleviates Waterlogging-Induced Damages to Maize Seedlings by Enhancing Antioxidative Capacity, Modulating Polyamines and Ethylene Biosynthesis
by Xiuling Wang, Qun Wang, Moubiao Zhang, Yulong Zhao, Pengfei Dong, Yali Zhao, Hongping Li, Xucun Jia, Panpan An, Yulou Tang and Chaohai Li
Life 2022, 12(11), 1921; https://doi.org/10.3390/life12111921 - 18 Nov 2022
Cited by 4 | Viewed by 1399
Abstract
Waterlogging is a major threat to maize production worldwide. The exogenous application of spermidine is well known to enhance plant tolerance to abiotic stresses. The role of exogenous spermidine application in waterlogging tolerance in maize was investigated in this study. Two maize varieties [...] Read more.
Waterlogging is a major threat to maize production worldwide. The exogenous application of spermidine is well known to enhance plant tolerance to abiotic stresses. The role of exogenous spermidine application in waterlogging tolerance in maize was investigated in this study. Two maize varieties (a waterlogging-tolerant variety: Xundan 20 (XD20) and a waterlogging-sensitive variety: Denghai 662 (DH662)) were subjected to waterlogging stress at the seedling stage, and then foliar spraying of 0.75 mM spermidine or purified water. Findings demonstrated lower chlorophyll content, reduced growth indices, considerable increase in superoxide anion (O2−) generation rate, and H2O2/malondialdehyde accumulation in the two maize varieties under waterlogging stress compared to the control treatment. However, the tolerance variety performed better than the sensitive one. Foliar application of spermidine significantly increased antioxidant enzyme activities under waterlogging stress. In addition, the application of spermidine increased polyamine levels and led to the reduction of ethylene levels under waterlogging. Consequences of spermidine application were most apparent for the waterlogging-sensitive cultivar DH662 under waterlogging than the waterlogging-tolerant variety XD20. Full article
(This article belongs to the Special Issue Regulation of Abiotic Stress Resistance in Crops)
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