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Benmrid B, Ghoulam C, Zeroual Y, Kouisni L, Bargaz A. Bioinoculants as a means of increasing crop tolerance to drought and phosphorus deficiency in legume-cereal intercropping systems. Commun Biol 2023; 6:1016. [PMID: 37803170 PMCID: PMC10558546 DOI: 10.1038/s42003-023-05399-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 09/28/2023] [Indexed: 10/08/2023] Open
Abstract
Ensuring plant resilience to drought and phosphorus (P) stresses is crucial to support global food security. The phytobiome, shaped by selective pressures, harbors stress-adapted microorganisms that confer host benefits like enhanced growth and stress tolerance. Intercropping systems also offer benefits through facilitative interactions, improving plant growth in water- and P-deficient soils. Application of microbial consortia can boost the benefits of intercropping, although questions remain about the establishment, persistence, and legacy effects within resident soil microbiomes. Understanding microbe- and plant-microbe dynamics in drought-prone soils is key. This review highlights the beneficial effects of rhizobacterial consortia-based inoculants in legume-cereal intercropping systems, discusses challenges, proposes a roadmap for development of P-solubilizing drought-adapted consortia, and identifies research gaps in crop-microbe interactions.
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Affiliation(s)
- Bouchra Benmrid
- Plant-Microbe Interactions Laboratory, AgroBiosciences Program, College for Sustainable Agriculture and Environmental Sciences, Mohammed VI Polytechnic University, Ben Guerir, 43150, Morocco.
| | - Cherki Ghoulam
- Plant-Microbe Interactions Laboratory, AgroBiosciences Program, College for Sustainable Agriculture and Environmental Sciences, Mohammed VI Polytechnic University, Ben Guerir, 43150, Morocco
- Agrobiotechnology & Bioengineering Center, Research Unit CNRST labeled, Cadi Ayyad University, Faculty of Sciences and Techniques, 40000, Marrakech, Morocco
| | - Youssef Zeroual
- Situation Innovation - OCP Group, Jorf Lasfar, 24025, Morocco
| | - Lamfeddal Kouisni
- African Sustainable Agriculture Research Institute, Mohammed VI Polytechnic University, Laayoune, Morocco
| | - Adnane Bargaz
- Plant-Microbe Interactions Laboratory, AgroBiosciences Program, College for Sustainable Agriculture and Environmental Sciences, Mohammed VI Polytechnic University, Ben Guerir, 43150, Morocco.
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Peng Z, Guo X, Xiang Z, Liu D, Yu K, Sun K, Yan B, Wang S, Kang C, Xu Y, Wang H, Wang T, Lyu C, Xue W, Feng L, Guo L, Zhang Y, Huang L. Maize intercropping enriches plant growth-promoting rhizobacteria and promotes both the growth and volatile oil concentration of Atractylodes lancea. FRONTIERS IN PLANT SCIENCE 2022; 13:1029722. [PMID: 36352878 PMCID: PMC9638049 DOI: 10.3389/fpls.2022.1029722] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 10/05/2022] [Indexed: 05/13/2023]
Abstract
In the Atractylodes lancea (A. lancea)-maize intercropping system, maize can promote the growth of A. lancea, but it is unclear whether this constitutes an aboveground or belowground process. In this study, we investigated the mechanisms of the root system interaction between A. lancea and maize using three different barrier conditions: no barrier (AI), nylon barrier (AN), and plastic barrier (AP) systems. The biomass, volatile oil concentration, physicochemical properties of the soil, and rhizosphere microorganisms of the A. lancea plant were determined. The results showed that (1) the A. lancea - maize intercropping system could promote the growth of A. lancea and its accumulation of volatile oils; (2) a comparison of the CK, AI, and AP treatments revealed that it was the above-ground effect of maize specifically that promoted the accumulation of both atractylon and atractylodin within the volatile oils of A. lancea, but inhibited the accumulation of hinesol and β-eudesmol; (3) in comparing the soil physicochemical properties of each treatment group, intercropping maize acidified the root soil of A. lancea, changed its root soil physicochemical properties, and increased the abundance of the acidic rhizosphere microbes of A. lancea at the phylum level; (4) in an analysis of rhizosphere microbial communities of A. lancea under different barrier systems, intercropping was found to promote plant growth-promoting rhizobacteria (PGPR) enrichment, including Streptomyces, Bradyrhizobium, Candidatus Solibacter, Gemmatirosa, and Pseudolabrys, and the biomass of A. lancea was significantly influenced by PGPR. In summary, we found that the rhizosphere soil of A. lancea was acidified in intercropping with maize, causing the accumulation of PGPR, which was beneficial to the growth of A. lancea.
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Affiliation(s)
- Zheng Peng
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
- Institute of Traditional Chinese Medicine Health Industry, China Academy of Chinese Medical Sciences, Nanchang, China
| | - Xiuzhi Guo
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
| | - ZengXu Xiang
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Dahui Liu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Kun Yu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Kai Sun
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
| | - Binbin Yan
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
| | - Sheng Wang
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
| | - Chuanzhi Kang
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
| | - Yang Xu
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
- Institute of Traditional Chinese Medicine Health Industry, China Academy of Chinese Medical Sciences, Nanchang, China
| | - Hongyang Wang
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
| | - Tielin Wang
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
| | - Chaogeng Lyu
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
| | - Wenjun Xue
- Nanjing WaMing Agricultural Technology Co., Ltd., Nanjing, China
| | - Li Feng
- Nanjing WaMing Agricultural Technology Co., Ltd., Nanjing, China
| | - Lanping Guo
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Lanping Guo, ; Yan Zhang, ; Luqi Huang,
| | - Yan Zhang
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Lanping Guo, ; Yan Zhang, ; Luqi Huang,
| | - Luqi Huang
- State Key Laboratory and Breeding Base of Dao-di Herbs, Resource Center of Chinese Materia Medica China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Lanping Guo, ; Yan Zhang, ; Luqi Huang,
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