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Seed Coating: A Tool for Delivering Beneficial Microbes to Agricultural Crops

SYSNO ASEP	0533705
Document Type	J - Journal Article
R&D Document Type	The record was not marked in the RIV
Subsidiary J	Článek ve WOS
Title	Seed Coating: A Tool for Delivering Beneficial Microbes to Agricultural Crops
Author(s)	Rocha, I. (PT) Ma, Y. (PT) Souza-Alonso, P. (PT) Vosátka, Miroslav (BU-J)_ORCID Freitas, H. (PT) Oliveira, R. S. (PT)
Article number	1357
Source Title	Frontiers in Plant Science. - : Frontiers Research Foundation - ISSN 1664-462X Roč. 10, Nov 6 (2019), s. 1-16
Number of pages	16 s.
Language	eng - English
Country	CH - Switzerland
Keywords	rhizoctonia damping-off ; growth promoting rhizobacteria ; sustainable agriculture ; arbuscular mycorrhizal fungi
Subject RIV	EF - Botanics
OECD category	Plant sciences, botany
R&D Projects	TE01020080 GA TA ČR - Technology Agency of the Czech Republic (TA ČR)
Method of publishing	Open access
Institutional support	BU-J - RVO:67985939
UT WOS	000498586100001
EID SCOPUS	85075584805
DOI	10.3389/fpls.2019.01357
Annotation	Plant beneficial microbes (PBMs), such as plant growth-promoting bacteria, rhizobia, arbuscular mycorrhizal fungi, and Trichoderma, can reduce the use of agrochemicals and increase plant yield, nutrition, and tolerance to biotic-abiotic stresses. Yet, large-scale applications of PBM have been hampered by the high amounts of inoculum per plant or per cultivation area needed for successful colonization and consequently the economic feasibility. Seed coating, a process that consists in covering seeds with low amounts of exogenous materials, is gaining attention as an efficient delivery system for PBM. Microbial seed coating comprises the use of a binder, in some cases a filler, mixed with inocula, and can be done using simple mixing equipment (e.g., cement mixer) or more specialized/sophisticated apparatus (e.g., fluidized bed). Binders/fillers can be used to extend microbial survival. The most reported types of seed coating are seed dressing, film coating, and pelleting. Tested in more than 50 plant species with seeds of different dimensions, forms, textures, and germination types (e.g., cereals, vegetables, fruits, pulses, and other legumes), seed coating has been studied using various species of plant growth-promoting bacteria, rhizobia, Trichoderma, and to a lesser extent mycorrhizal fungi. Most of the studies regarding PBM applied via seed coating are aimed at promoting crop growth, yield, and crop protection against pathogens. Studies have shown that coating seeds with PBM can assist crops in improving seedling establishment and germination or achieving high yields and food quality, under reduced chemical fertilization. The right combination of biological control agents applied via seed coating can be a powerful tool against a wide number of diseases and pathogens. Less frequently, studies report seed coating being used for adaptation and protection of crops under abiotic stresses. Notwithstanding the promising results, there are still challenges mainly related with the scaling up from the laboratory to the field and proper formulation, including efficient microbial combinations and coating materials that can result in extended shelf-life of both seeds and coated PBM. These limitations need to be addressed and overcome in order to allow a wider use of seed coating as a cost-effective delivery method for PBM in sustainable agricultural systems.
Workplace	Institute of Botany
Contact	Martina Bartošová, martina.bartosova@ibot.cas.cz, ibot@ibot.cas.cz, Tel.: 271 015 242 ; Marie Jakšová, marie.jaksova@ibot.cas.cz, Tel.: 384 721 156-8
Year of Publishing	2021
Electronic address	https://doi.org/10.3389/fpls.2019.01357

Number of the records: 1