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Plants
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Plants in Arid or Saline Areas
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Plants in Arid or Saline Areas

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Physiology and Metabolism".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 3848

Special Issue Editors

Dr. Edgar Omar Rueda-Puente

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Guest Editor
Departamento de Agricultura y Ganadería, Universidad de Sonora, Bulevard Luis Encinas y Rosales s/n, Colonia Centro, Hermosillo 83000, Sonora, Mexico
Interests: salinity; arid zones; biotechnology; halophytes; saline stress; agriculture; osmoregulation
Dr. Francisco Higinio Ruiz-Espinoza

E-Mail Website
Guest Editor
Agronomy Academic Department, Baja California Sur Autonomous University (UABCS), La Paz 23080, Mexico
Interests: Biosalinity; Arid zones; plant physiology; agroecology; organic agriculture; plant genetics; water stress; salt stress

Special Issue Information

Dear Colleagues,

The Special Issue of Plants, which explores plants in arid or saline zones, offers up-to-date information on the study of arid zones and salts in plant physiology and integrates previously developed knowledge of biochemistry, botany, biology, and general physiology, which aims to guide those interested in agronomic sciences, biology, biochemistry, biochemistry engineers, and biotechnologists who are in charge of areas, subjects or production systems related to the production of plants in saline conditions; indeed, certain studies will exceed the strict propaedeutic level to take those who are interested to the most advanced contemporary research in plant functional biology under salt stress.

This Special Issue explains and demonstrates that salinity, from the point of view of productivity, is an undesirable problem for agriculture. However, this is not at odds with plant life, since it can be seen that there is a great diversity of plants that present a great variety of responses to salinity. The understanding of these processes opens a new perspective that is essential for students and professionals of modern agricultural sciences.

The content of this Special Issue includes, among other topics; the basic aspects of sales from the chemical point of view. Prior to the developed knowledge that has been generated on the effects of salt on water, soil, and plants, this edition offers a study of the composition of the plant cells oriented in the assimilation of nutrients; an elemental differentiation of salts such as sodium and calcium is included in order to make the most of the information contained in this Special Issue. Likewise, the characteristics of a group of plants that develop naturally in salinity conditions (halophytes) will be addressed, which, by presenting an agro-industrial potential can be encouraged in the agricultural sector.

Dr. Edgar Omar Rueda-Puente
Dr. Francisco Higinio Ruiz-Espinoza
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.

Published Papers (2 papers)

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Research

14 pages, 2801 KiB  
Article
Adaptative Strategies in Gymnocalycium Species (Cactaceae) and the Presence of Ectomycorrhizae Associated with Survival in Arid Environments
by María E. Soto Acosta, Mario Perea, Ana I. Ruiz, Mirna Hilal, Patricia L. Albornoz and María I. Isla
Plants 2023, 12(15), 2774; https://doi.org/10.3390/plants12152774 - 26 Jul 2023
Viewed by 1165
Abstract
The Cactaceae family makes use of different strategies, both physiological and biochemical, for anatomical adjustments that allow them to grow and reproduce in arid environments. Morphological studies of Gymnocalycium have been scarce, and the anatomy and phytochemistry are still largely unknown. The aim [...] Read more.
The Cactaceae family makes use of different strategies, both physiological and biochemical, for anatomical adjustments that allow them to grow and reproduce in arid environments. Morphological studies of Gymnocalycium have been scarce, and the anatomy and phytochemistry are still largely unknown. The aim of the present work was to analyze the structural, physiological, and biochemical features of Gymnocalycium marianae and G. oenanthemum, two endemic species of arid regions in Argentina. The anatomic structure, biomass, and photosynthetic pigments, as well as phenolic compound contents, were analyzed in the stem, spine, and root of both species. G. marianae showed stems with deeper substomatal chambers and a more developed photosynthetic tissue than G. oenanthemum. The spines of G. oenanthemum showed higher biomass, thicker epidermal and subepidermal cell walls, and a higher content of phenolic compounds than those of G. marianae. Ectomycorrhizae were observed for the first time in roots in both species. Roots of G. marianae showed high colonization, biomass, and content of phenolic compounds. Both species showed abundant mucilaginous fibers in the stem and root. Finally, these results show the strategies associated with the survival in xeric environments of two cacti species at risk of extinction. They could be useful for the development of ex situ conservation programs. Full article
(This article belongs to the Special Issue Plants in Arid or Saline Areas)
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17 pages, 1305 KiB  
Article
Identification of Halophilic and Halotolerant Bacteria from the Root Soil of the Halophyte Sesuvium verrucosum Raf
by Javier Pérez-Inocencio, Gabriel Iturriaga, Cesar L. Aguirre-Mancilla, Juan Gabriel Ramírez-Pimentel, María Soledad Vásquez-Murrieta and Dioselina Álvarez-Bernal
Plants 2022, 11(23), 3355; https://doi.org/10.3390/plants11233355 - 2 Dec 2022
Cited by 8 | Viewed by 1920
Abstract
Soil salinity is a condition that limits crop growth and productivity, and soil-dwelling bacteria from halophytic plant roots may be a viable strategy to cope with low productivity due to salt stress. Halophilic and halotolerant bacteria of the root soil of Sesuvium verrucosum [...] Read more.
Soil salinity is a condition that limits crop growth and productivity, and soil-dwelling bacteria from halophytic plant roots may be a viable strategy to cope with low productivity due to salt stress. Halophilic and halotolerant bacteria of the root soil of Sesuvium verrucosum were analyzed in this study as there is little evidence regarding its associated microbiology. Soil was sampled from the roots of Sesuvium verrucosum to obtain the cultivable bacteria. Their morphological characteristics were identified and they were molecularly identified by the 16S sequence. The growth capacity of the bacteria was determined at different levels of pH and salinity, and several growth promotion characteristics were identified, such as phosphorus solubilization, indole acetic acid production by the tryptophan-dependent (AIAt) and tryptophan-independent (IAA) pathways, ammonium production from organic sources, solubilization of carbonates, and zinc and sodium capture capacity. In addition, the bacteria that presented the best characteristics for germination variables of Solanum lycopersicum were evaluated. A total of 20 bacteria from root soil of Sesuvium verrucosum Raf. belonging to the phyla Proteobacteria (50%), Firmicutes (45%) and Actinobacteria (5%) were identified, with each one having different morphological characteristics. Among the bacterial isolates, 45% had the ability to resist different levels of salinity and pH, ranging from 0 to 20% of NaCl, and pH between 5 and 11. Moreover, these bacteria had the capacity to solubilize carbonates, phosphorus and zinc, capture sodium, produce ammonium from organic substrates and IAA (indole acetic acid), and promote enzymatic activity of amylases, proteases, lipases and cellulases. The bacteria evaluated on the germination of Solanum lycopersicum had an influence on germination at different salinity levels, with greater influence at 100 mM NaCl. This demonstrated that halophilic bacteria belonging to the rhizosphere of Sesuvium verrucosum have the ability to promote growth in extreme salinity conditions, making them candidates for the recovery of productivity in saline soils. Full article
(This article belongs to the Special Issue Plants in Arid or Saline Areas)
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