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Article

The Potential of Rhizoctonia-Like Fungi for the Biological Protection of Cereals against Fungal Pathogens

1
Department of Plant Pathology, Agrotest Fyto, Ltd., 76701 Kroměříž, Czech Republic
2
Department of Experimental Biology, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic
3
Department of Botany, Faculty of Science, Palacký University in Olomouc, 78371 Olomouc, Czech Republic
*
Author to whom correspondence should be addressed.
Academic Editor: Rafał Ogórek
Plants 2021, 10(2), 349; https://doi.org/10.3390/plants10020349
Received: 31 December 2020 / Revised: 8 February 2021 / Accepted: 9 February 2021 / Published: 12 February 2021
(This article belongs to the Special Issue Positive and Negative Plant–Fungal Interactions)
The use of biological control is becoming a common practice in plant production. One overlooked group of organisms potentially suitable for biological control are Rhizoctonia-like (Rh-like) fungi. Some of them are capable of forming endophytic associations with a large group of higher plants as well as mycorrhizal symbioses. Various benefits of endophytic associations were proved, including amelioration of devastating effects of pathogens such as Fusarium culmorum. The advantage of Rh-like endophytes over strictly biotrophic mycorrhizal organisms is the possibility of their cultivation on organic substrates, which makes their use more suitable for production. We focused on abilities of five Rh-like fungi isolated from orchid mycorrhizas, endophytic fungi Serendipita indica, Microdochium bolleyi and pathogenic Ceratobasidium cereale to inhibit the growth of pathogenic F. culmorum or Pyrenophora teres in vitro. We also analysed their suppressive effect on wheat infection by F. culmorum in a growth chamber, as well as an effect on barley under field conditions. Some of the Rh-like fungi affected the growth of plant pathogens in vitro, then the interaction with plants was tested. Beneficial effect was especially noted in the pot experiments, where wheat plants were negatively influenced by F. culmorum. Inoculation with S. indica caused higher dry shoot biomass in comparison to plants treated with fungicide. Prospective for future work are the effects of these endophytes on plant signalling pathways, factors affecting the level of colonization and surviving of infectious particles. View Full-Text
Keywords: Rhizoctonia-like fungi; biocontrol; Fusarium culmorum; Serendipita indica; Microdochium bolleyi; Ceratobasidium sp.; Tulasnella sp.; endophyte Rhizoctonia-like fungi; biocontrol; Fusarium culmorum; Serendipita indica; Microdochium bolleyi; Ceratobasidium sp.; Tulasnella sp.; endophyte
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MDPI and ACS Style

Bleša, D.; Matušinský, P.; Sedmíková, R.; Baláž, M. The Potential of Rhizoctonia-Like Fungi for the Biological Protection of Cereals against Fungal Pathogens. Plants 2021, 10, 349. https://doi.org/10.3390/plants10020349

AMA Style

Bleša D, Matušinský P, Sedmíková R, Baláž M. The Potential of Rhizoctonia-Like Fungi for the Biological Protection of Cereals against Fungal Pathogens. Plants. 2021; 10(2):349. https://doi.org/10.3390/plants10020349

Chicago/Turabian Style

Bleša, Dominik, Pavel Matušinský, Romana Sedmíková, and Milan Baláž. 2021. "The Potential of Rhizoctonia-Like Fungi for the Biological Protection of Cereals against Fungal Pathogens" Plants 10, no. 2: 349. https://doi.org/10.3390/plants10020349

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