Diversity and Functions of Beneficial Rhizosphere Microbes on Crop Nutrition and Eco-Toxicity

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

Deadline for manuscript submissions: closed (20 April 2023) | Viewed by 2159

Special Issue Editors


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Guest Editor
The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6009, Australia
Interests: plant physiology; rhizosphere interactions; root system architecture and functions; mycorrhizal technology and applications; crop growth and physiology in stressed environments; plant root development, plant–soil–microbe interactions; pre-breeding; phenotyping

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Guest Editor
Instituto de Microbiologia Paulo de Góes da Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
Interests: environmental microbiology; microbial biotechnology; microbial biodiversity; bioinformatics; bioremediation; plant biotechnology

Special Issue Information

Dear Colleagues,

Rhizosphere microbes, e.g., plant-growth-promoting bacteria (PGPB), nitrogen-fixing nodule bacteria, arbuscular mycorrhizal fungi (AMF), Frankia, Trichoderma harzianum, etc., directly affect root health and functioning and result in plants’ overall nutrition status, stress tolerance, and immunity changes. Increasing numbers of researchers are invested in studying the diversity and functions of rhizosphere microbes and their interactions with plants. Soil mineral elements, as well as other physio-chemical properties modulated by microbes, significantly alter plant growth and prosper under extreme and harsh environments, are discussed herein.   

This Special Issue encourages the interpretation and critical discussions of study outcomes regarding rhizosphere microbes’ actual role in plant growth and agricultural production (negative, neutral, beneficial, or variable) under standard practices or any microbe-conscious cultivation method. Discoveries of novel species of rhizosphere microbes, as well as their distinct interaction modes with plants, are welcome contributions to the knowledge of this hot topic. 

Prof. Dr. Yinglong Chen
Prof. Dr. Andrew Macrae
Guest Editors

Manuscript Submission Information

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Keywords

  • rhizosphere microbiome
  • rhizosphere interactions
  • microbe-assisted phytoremediation
  • plant–soil–microbe interaction
  • crop nutrition
  • microbe-conscious cultivation

Published Papers (1 paper)

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Research

18 pages, 2556 KiB  
Article
Arbuscular Mycorrhizal Fungi Alleviate Low Phosphorus Stress in Maize Genotypes with Contrasting Root Systems
by Liyan Liang, Baoxing Liu, Di Huang, Qiqiang Kuang, Tingting An, Shuo Liu, Runjin Liu, Bingcheng Xu, Suiqi Zhang, Xiping Deng, Andrew Macrae and Yinglong Chen
Plants 2022, 11(22), 3105; https://doi.org/10.3390/plants11223105 - 15 Nov 2022
Cited by 5 | Viewed by 1882
Abstract
Soil available phosphorus (P) is one of the main factors limiting plant growth and yield. This study aimed to determine the role of arbuscular mycorrhizal fungi (AMF) in P-use efficiency in two maize genotypes with contrasting root systems in response to low P [...] Read more.
Soil available phosphorus (P) is one of the main factors limiting plant growth and yield. This study aimed to determine the role of arbuscular mycorrhizal fungi (AMF) in P-use efficiency in two maize genotypes with contrasting root systems in response to low P stress. Maize genotypes small-rooted Shengrui 999 and large-rooted Zhongke 11 were grown in rhizoboxes that were inoculated with or without AMF (Funneliformis mosseae) under low P (no added P) or optimal P (200 mg kg−1) for 53 days. Low P stress significantly inhibited shoot and root growth, photosynthesis, tissue P content, and root P concentration in both genotypes. Shengrui 999 was more tolerant to P stress with less reduction of these traits compared to Zhongke 11. Shengrui 999 had a higher AMF infection rate than Zhongke 11 at both P levels. Under P deficit, inoculation with AMF significantly promoted plant growth and P uptake in both genotypes with more profound effects seen in Zhongke 11, whilst Shengrui 999 was more dependent on AMF under optimal P. Low P stress inhibited the growth and physiological attributes of both genotypes. The small-rooted Shengrui 999 was more tolerant to low P than Zhongke 11. Inoculation with AMF alleviates low P stress in both genotypes with a more profound effect on Zhongke 11 at low P and on Shengrui 999 at high P conditions. Full article
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