Microbial Interaction with Horticulture Plant Growth and Development

A special issue of Horticulturae (ISSN 2311-7524).

Deadline for manuscript submissions: 27 September 2024 | Viewed by 2261

Special Issue Editors

Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: microbial and plant interactions; rhizosphere microbiome; soil microorganism; seed microorganism; organic agriculture; development and utilization of microbial resources; biotechnology; biostimulant; medicinal and aromatic plants; bioactive substances; microbial cell factory

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Guest Editor
Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: organic agriculture; crops; biostimulants; horticulture; forage crops; soil science; sustainable agriculture
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Guest Editor
Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: vegetables and environment; microorganisms and vegetables; low-temperature response; low-light response; leaf fertilizer; increasing production technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plant microbial interactions can be done through various numbers of direct and indirect mechanisms such as nutrient transfer (stemming from vitamin or siderophore production; enzymatic decomposition of litter in soil; atmospheric nitrogen fixation; conversion of inorganic minerals to soluble components, especially phosphorous), direct stimulation of growth via phytohormones such as indole acetic acid and ethylene, mitigation of salt stress, and antagonism toward pathogenic microorganisms. Microbial diversity has been directly linked to above-ground diversity in a number of agricultural, horticultural, and natural settings. Diverse components released by different parts of the root system create a wonderful and unique environment in the surrounding soil, which is known as the rhizosphere. These components are termed as root exudates and belong to three main groups: high-molecular weight, low-molecular weight, and volatile organic compounds. The types of microorganisms within a rhizosphere include fungi, bacteria, algae, and actinomycetes. Microorganisms and their products also influence the roots in a variety of negative, positive, and neutral ways. Interestingly, microbial density was proved to non-linearly influence plant production, while increasing microbial density has been shown to boost plant biomass. Microorganisms take an active role in the growth of specific species using hormone production, as indoleacetic acid, or indole-3-acetic acid, is a plant hormone produced in the apex or buds and new leaves of young plants. In addition to decreasing stress effects, plant–microbial interactions affect the plant disease state or diversity of soil pathogens. Free-living microbes including filamentous fungi of the genus Trichoderma and a variety of plant growth-promoting rhizobacteria (PGPR) are able to suppress soil-borne plant pathogens and stimulate plant growth by various direct or indirect mechanisms, such as production of mycoparasitism, phytohormones, and competence with plant pathogens; decomposition; and mineralization of organic matter and increasing the bioavailability of mineral nutrients such as iron and phosphorus. This Special Issue focuses on the functions and roles of different types of microbes and their interactions with plants through a number of direct or indirect mechanisms, as well as how plant–microbe interactions act on plant growth, what mechanisms they use to survive under stressful environmental conditions, and how the interactions and abiotic parameters can interfere with the success of microbial inoculation in plants, acting as a basis for studies on plant–microorganism interactions. When the underlying mechanisms of plant–microbe interactions are properly investigated, modulation, manipulation, and inoculation strategies can be developed to realize crop growth, increased yield, and pathogen control.

Dr. Wenli Sun
Dr. Mohamad Hesam Shahrajabian
Prof. Dr. Yansu Li
Guest Editors

Manuscript Submission Information

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Keywords

  • microbial–horticultural plant interactions
  • mutual assistance and competition among rhizosphere microorganisms
  • nutrient exchange
  • plant hormone
  • root exudates
  • soil microenvironment
  • stress inhibition
  • antagonism
  • growth-promoting microorganism
  • rhizosphere microbial action
  • fungal community
  • actinomyces
  • bacterial community
  • organic cultivation
  • green agriculture
  • medicinal plants, chinese medicines and natural products

Published Papers (2 papers)

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Research

12 pages, 1065 KiB  
Article
Potential Role of the Yeast Papiliotrema terrestris Strain PT22AV in the Management of the Root-Knot Nematode Meloidogyne incognita
by Trifone D’Addabbo, Silvia Landi, Davide Palmieri, Lea Piscitelli, Elena Caprio, Vincenzo Esposito and Giada d’Errico
Horticulturae 2024, 10(5), 472; https://doi.org/10.3390/horticulturae10050472 - 5 May 2024
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Abstract
The nematicidal potential of the yeast Papiliotrema terrestris strain PT22AV (YSY) was investigated against the root nematode (RKN) Meloidogyne incognita in in vitro bioassays on infective juveniles (J2) and experiments on tomatoes in pot and greenhouse conditions. The J2 nematodes were exposed to [...] Read more.
The nematicidal potential of the yeast Papiliotrema terrestris strain PT22AV (YSY) was investigated against the root nematode (RKN) Meloidogyne incognita in in vitro bioassays on infective juveniles (J2) and experiments on tomatoes in pot and greenhouse conditions. The J2 nematodes were exposed to YSY solutions for 19 days, using abamectin (ABA), fosthiazate (FOS) and distilled water as controls. In the experiments on potted and greenhouse tomatoes, 0.5 and 1 kg ha−1 doses of YSY were tested in comparison to ABA, biocontrol agents Purpureocillium lilacinus strain 251 (PUL) and Bacillus firmus strain 1-1582 (BAF), a plant biostimulant/fertilizer (ERG) and the nematicide Fluopyram (FLU). J2’s viability was affected by YSL after 7 days, decreasing to zero on the 15th exposure day, while ABA and FOS resulted in 83 and 100% J2 mortality within 24 h. Only the 1.0 kg ha−1 dose of YSY was able to significantly reduce the final nematode population in soil and gall formation on tomato roots, without significant differences from PUL and BAF. All treatments in comparison also resulted in a significant increase in tomato growth and crop yield, except for 0.5 kg ha−1 of YSY. Data indicated that YSY could represent an additional tool for organic and integrated RKN management. Full article
(This article belongs to the Special Issue Microbial Interaction with Horticulture Plant Growth and Development)
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13 pages, 2130 KiB  
Article
Response of Microbial Recovery Rate to Straw Return after Calcium Cyanamide Soil Disinfection
by Xuewen Xie, Lida Chen, Yanxia Shi, Ali Chai, Tengfei Fan, Baoju Li and Lei Li
Horticulturae 2024, 10(1), 2; https://doi.org/10.3390/horticulturae10010002 - 19 Dec 2023
Viewed by 871
Abstract
At present, returning vegetable straw in situ is an effective measure to solve environmental pollution and improve soil properties. However, the direct return of straw to the field can reduce the release rate of soil organic matter and cause serious soilborne diseases. The [...] Read more.
At present, returning vegetable straw in situ is an effective measure to solve environmental pollution and improve soil properties. However, the direct return of straw to the field can reduce the release rate of soil organic matter and cause serious soilborne diseases. The combined application of calcium cyanamide (CaCN2) and straw can solve this problem. The objective of this study was to determine the effect of CaCN2 combined with pepper straw return on cucumber yield, soil physicochemical properties, and soil microbial communities during 2020 to 2021 in Shandong Province, China. The treatments were designed as follows: (1) calcium cyanamide soil disinfection, CC; (2) fresh pepper straw return, LJ; (3) fresh pepper straw return combined with calcium cyanamide disinfection, LJ+CC; and (4) natural soil without straw return treatment, CK. Compared with CK, the LJ+CC treatment significantly improved cucumber production by 20%. The cultivable microbial community in the soil was temporarily inhibited during soil fumigation treatment, and the cultivable bacterial and actinomycete communities in the soil return to their initial levels after the film was removed (harvest period). The numbers of culturable bacteria and actinomycetes in the soil in the LJ+CC treatment were 4.68 × 107 CFU/g and 5.17 × 107 CFU/g, respectively, higher than those in the soil in the CC treatment. The contents of TN and OM in the LJ+CC treatment increased by 13.1% and 13.5%, respectively, compared with that in LJ. Therefore, the LJ+CC treatment enhanced soil fertility and cucumber yields. CaCN2 can promote straw decomposition and straw can promote soil microbial recovery, and their combined application is considered a feasible and sustainable technique for utilizing vegetable residues in the greenhouse. The combination of returning pepper straw to the field and calcium cyanamide technology achieves a win-win situation of resource circulation and economic circulation by converting agricultural waste into fertilizer before being put into production. Based on this, it is recommended that the straw returning technology receives strong policy support, stimulates researchers to explore the feasibility of different vegetable straw returning to the field, promotes the implementation of this technology achievement, and leverages the environmental benefits of the application of straw returning technology. Full article
(This article belongs to the Special Issue Microbial Interaction with Horticulture Plant Growth and Development)
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