Next Article in Journal
Development of Chlorophyll-Meter-Index-Based Dynamic Models for Evaluation of High-Yield Japonica Rice Production in Yangtze River Reaches
Next Article in Special Issue
Isolation and Characterization of the High Silicate and Phosphate Solubilizing Novel Strain Enterobacter ludwigii GAK2 that Promotes Growth in Rice Plants
Previous Article in Journal
Optimization of Offshoot Outgrowth in Globe Artichoke Using a Combination of Chemical and Mechanical Treatments
Previous Article in Special Issue
Improving High-Latitude Rice Nitrogen Management with the CERES-Rice Crop Model

Microbial Consortia versus Single-Strain Inoculants: An Advantage in PGPM-Assisted Tomato Production?

Institute of Crop Science (340h), Universität Hohenheim, Fruwirthstraße 20, 70593 Stuttgart, Germany
Banat’s University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania” form Timişoara, Faculty of Horticulture and Forestry, Calea Aradului 119, 300645 Timişoara, România
Institute of Soil, Water & Environmental Sciences, The Volcani Center, Agricultural Research Oraganization (ARO), Rishon LeZion 75359, Israel
Institute of Soil, Water & Environmental Sciences, Gilat Research Center, Agricultural Research Oraganization (ARO), Gilat 85280, Israel
Department of Plant Pathology and Microbiology, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 85280, Israel
ABiTEP GmbH, Glienicker Weg 185, D-12489 Berlin, Germany
Institute of Farm Management (410b), Universität Hohenheim, Schwerzstr. 44, 70593 Stuttgart, Germany
EuroChem Agro GmbH, 8165 Mannheim, Germany
Author to whom correspondence should be addressed.
Agronomy 2019, 9(2), 105;
Received: 26 January 2019 / Revised: 6 February 2019 / Accepted: 18 February 2019 / Published: 22 February 2019
(This article belongs to the Special Issue Plant Mineral Nutrition: Principles and Perspectives)
The use of biostimulants with plant growth-promoting properties, but without significant input of nutrients, is discussed as a strategy to increase stress resistance and nutrient use efficiency of crops. However, limited reproducibility under real production conditions remains a major challenge. The use of combination products based on microbial and non-microbial biostimulants or microbial consortia, with the aim to exploit complementary or synergistic interactions and increase the flexibility of responses under different environmental conditions, is discussed as a potential strategy to overcome this problem. This study aimed at comparing the efficiency of selected microbial single-strain inoculants with proven plant-growth promoting potential versus consortium products under real production conditions in large-scale tomato cultivation systems, exposed to different environmental challenges. In a protected greenhouse production system at Timisoara, Romania, with composted cow manure, guano, hair-, and feather-meals as major fertilizers, different fungal and bacterial single-strain inoculants, as well as microbial consortium products, showed very similar beneficial responses. Nursery performance, fruit setting, fruit size distribution, seasonal yield share, and cumulative yield (39–84% as compared to the control) were significantly improved over two growing periods. By contrast, superior performance of the microbial consortia products (MCPs) was recorded under more challenging environmental conditions in an open-field drip-fertigated tomato production system in the Negev desert, Israel with mineral fertilization on a high pH (7.9), low fertility, and sandy soil. This was reflected by improved phosphate (P) acquisition, a stimulation of vegetative shoot biomass production and increased final fruit yield under conditions of limited P supply. Moreover, MCP inoculation was associated with selective changes of the rhizosphere-bacterial community structure particularly with respect to Sphingobacteriia and Flavobacteria, reported as salinity indicators and drought stress protectants. Phosphate limitation reduced the diversity of bacterial populations at the root surface (rhizoplane) and this effect was reverted by MCP inoculation, reflecting the improved P status of the plants. The results support the hypothesis that the use of microbial consortia can increase the efficiency and reproducibility of BS-assisted strategies for crop production, particularly under challenging environmental conditions. View Full-Text
Keywords: plant growth-promoting microorganisms (PGPM); biostimulants; microbial consortia; tomato production; organic fertilization plant growth-promoting microorganisms (PGPM); biostimulants; microbial consortia; tomato production; organic fertilization
Show Figures

Figure 1

MDPI and ACS Style

Bradáčová, K.; Florea, A.S.; Bar-Tal, A.; Minz, D.; Yermiyahu, U.; Shawahna, R.; Kraut-Cohen, J.; Zolti, A.; Erel, R.; Dietel, K.; Weinmann, M.; Zimmermann, B.; Berger, N.; Ludewig, U.; Neumann, G.; Poşta, G. Microbial Consortia versus Single-Strain Inoculants: An Advantage in PGPM-Assisted Tomato Production? Agronomy 2019, 9, 105.

AMA Style

Bradáčová K, Florea AS, Bar-Tal A, Minz D, Yermiyahu U, Shawahna R, Kraut-Cohen J, Zolti A, Erel R, Dietel K, Weinmann M, Zimmermann B, Berger N, Ludewig U, Neumann G, Poşta G. Microbial Consortia versus Single-Strain Inoculants: An Advantage in PGPM-Assisted Tomato Production? Agronomy. 2019; 9(2):105.

Chicago/Turabian Style

Bradáčová, Klára, Andrea S. Florea, Asher Bar-Tal, Dror Minz, Uri Yermiyahu, Raneen Shawahna, Judith Kraut-Cohen, Avihai Zolti, Ran Erel, K. Dietel, Markus Weinmann, Beate Zimmermann, Nils Berger, Uwe Ludewig, Guenter Neumann, and Gheorghe Poşta. 2019. "Microbial Consortia versus Single-Strain Inoculants: An Advantage in PGPM-Assisted Tomato Production?" Agronomy 9, no. 2: 105.

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

Back to TopTop