Microbial Biofertilizers in Plant Growth and Defence

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

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1566

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CREA Research Centre for Vegetable and Ornamental Crops, Via dei Fiori 8, 51012 Pescia, Italy
Interests: microbiology; symbiotic bacteria and fungi; sustainable agriculture
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Special Issue Information

Dear Colleagues,

Biological fertilizers are substances that contain microorganisms that, when applied to seeds, plant surfaces, or soil, colonize the rhizosphere and promote plant growth by increasing the supply of primary nutrients to the host plant. Research has shown that biofertilizers have different effects in various environments, even within the same one. A number of scientists have been working on solving this problem, but no perfect solution has yet been found. Despite their satisfactory effects in drier climates, biofertilizers are likely to be better controlled and regulated in all environments in the future. Therefore, it is necessary to enhance knowledge on this subject. The aim of this Special Issue is therefore to enhance knowledge and to increase the amount of research being carried out into the use of microorganisms in improving plant growth and protection against biotic and abiotic stresses.

Dr. Domenico Prisa
Guest Editor

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Keywords

  • abiotic stress
  • biotic stress
  • rhizosphere
  • microbial symbiosis
  • soil biodiversity
  • microbial interactions
  • plants stimulation
  • plant quality

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Published Papers (1 paper)

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Research

16 pages, 1344 KiB  
Article
Pseudomonas taetrolens ULE-PH5 and Pseudomonas sp. ULE-PH6 Isolated from the Hop Rhizosphere Increase Phosphate Assimilation by the Plant
by Seyedehtannaz Ghoreshizadeh, Carla Calvo-Peña, Marina Ruiz-Muñoz, Rebeca Otero-Suárez, Juan José R. Coque and Rebeca Cobos
Plants 2024, 13(3), 402; https://doi.org/10.3390/plants13030402 - 29 Jan 2024
Cited by 2 | Viewed by 1202
Abstract
Most of the phosphorus incorporated into agricultural soils through the use of fertilizers precipitates in the form of insoluble salts that are incapable of being used by plants. This insoluble phosphorus present in large quantities in soil forms the well-known “phosphorus legacy”. The [...] Read more.
Most of the phosphorus incorporated into agricultural soils through the use of fertilizers precipitates in the form of insoluble salts that are incapable of being used by plants. This insoluble phosphorus present in large quantities in soil forms the well-known “phosphorus legacy”. The solubilization of this “phosphorus legacy” has become a goal of great agronomic importance, and the use of phosphate-solubilizing bacteria would be a useful tool for this purpose. In this work, we have isolated and characterized phosphate-solubilizing bacteria from the rhizosphere of hop plants. Two particular strains, Pseudomonas taetrolens ULE-PH5 and Pseudomonas sp. ULE-PH6, were selected as plant growth-promoting rhizobacteria due to their high phosphate solubilization capability in both plate and liquid culture assays and other interesting traits, including auxin and siderophore production, phytate degradation, and acidic and alkaline phosphatase production. These strains were able to significantly increase phosphate uptake and accumulation of phosphorus in the aerial part (stems, petioles, and leaves) of hop plants, as determined by greenhouse trials. These strains are promising candidates to produce biofertilizers specifically to increase phosphate adsorption by hop plants. Full article
(This article belongs to the Special Issue Microbial Biofertilizers in Plant Growth and Defence)
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