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Advances in Genetics and Physiology of Root Systems
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Advances in Genetics and Physiology of Root Systems

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetics, Genomics and Biotechnology".

Deadline for manuscript submissions: closed (20 May 2023) | Viewed by 1828

Special Issue Editors

Dr. Shashank K. Pandey

E-Mail Website
Guest Editor
Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 87 Umeå, Sweden
Interests: plant biology; root system; lateral root formation; cell wall development
Dr. Kanchan Vishwakarma

E-Mail Website
Guest Editor
Department of Forest Ecology and Management, Swedish University of Agricultural Sciences, SE-901 87 Umeå, Sweden
Interests: plant–microbe interaction; nutrient exchange between fungi and root; metagenomics; plant physiology under stress
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plants have evolved intricate and diverse strategies to compensate for their sessile nature. One of the key developments that plants have gained through evolution is the development of root systems that not only provide structural support to the aerial part but also acquire nutrients and water, which are crucial for plant growth. Thus, the survival of a plant is highly dependent on the proper growth, development and function of the root. Root development is mostly controlled by plants’ developmental programs, and is also highly responsive to environmental cues. Therefore, it is important to understand the physiological mechanisms and genetics of root development. The Special Issue on ‘Advances in Genetics and Physiology of Root Systems’ will cover research pertaining to the complexity of underground dynamics, root physiology, structure and function that are understudied components of plant science research. It welcomes original research, reviews, mini-reviews and methods related, but not limited, to the following themes: changes in root system architecture and root physiology; molecular mechanisms underlying root responses under stress environments; the role of phytohormones and root–soil interactions involved in plant adaptation; modelling simulations of root growth, plasticity, genetics and functions of root developmental stages.

Dr. Shashank K. Pandey
Dr. Kanchan Vishwakarma
Guest Editors

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. Plants is an international peer-reviewed open access semimonthly 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 2700 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

  • root system architecture
  • Lateral roots
  • adventitious roots
  • root physiology
  • environmental cues
  • root genetics
  • phytohormones

Published Papers (1 paper)

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Research

19 pages, 4589 KiB  
Article
On the Possible Trade-Off between Shoot and Root Biomass in Wheat
by Harun Bektas, Christopher E. Hohn, Adam J. Lukaszewski and John Giles Waines
Plants 2023, 12(13), 2513; https://doi.org/10.3390/plants12132513 - 30 Jun 2023
Cited by 4 | Viewed by 1393
Abstract
Numerous studies have shown that under a limited water supply, a larger root biomass is associated with an increased above-ground biomass. Root biomass, while genetically controlled, is also greatly affected by the environment with varying plasticity levels. In this context, understanding the relationship [...] Read more.
Numerous studies have shown that under a limited water supply, a larger root biomass is associated with an increased above-ground biomass. Root biomass, while genetically controlled, is also greatly affected by the environment with varying plasticity levels. In this context, understanding the relationship between the biomass of shoots and roots appears prudent. In this study, we analyze this relationship in a large dataset collected from multiple experiments conducted up to different growth stages in bread wheat (Triticum aestivum L.) and its wild relatives. Four bread wheat mapping populations as well as wild and domesticated members of the Triticeae tribe were evaluated for the root and shoot biomass allocation patterns. In the analyzed dataset the root and shoot biomasses were directly related to each other, and to the heading date, and the correlation values increased in proportion to the length of an experiment. On average, 84.1% of the observed variation was explained by a positive correlation between shoot and root biomass. Scatter plots generated from 6353 data points from numerous experiments with different wheats suggest that at some point, further increases in root biomass negatively impact the shoot biomass. Based on these results, a preliminary study with different water availability scenarios and growth conditions was designed with two cultivars, Pavon 76 and Yecora Rojo. The duration of drought and water level significantly affected the root/shoot biomass allocation patterns. However, the responses of the two cultivars were quite different, suggesting that the point of diminishing returns in increasing root biomass may be different for different wheats, reinforcing the need to breed wheats for specific environmental challenges. Full article
(This article belongs to the Special Issue Advances in Genetics and Physiology of Root Systems)
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