Effect of Vineyard Floor Management on Seasonal Changes of Cultivable Fungal Diversity in the Rhizosphere

Kovács, Barnabás and Dobolyi, Csaba and Sebők, Flóra and Kocsis, László and Tóth, Zoltán (2020) Effect of Vineyard Floor Management on Seasonal Changes of Cultivable Fungal Diversity in the Rhizosphere. Agriculture, 10. ISSN 2077-0472

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Vineyard floor management has been widely discussed for many decades, but it is still unclear how its intensity levels change the fungal community structure of grape rhizosphere. Our objective was to examine the density and rate of the habitats of fungi in three vineyards that differ only in the methods of tillage procedure applied, namely intensive, extensive and none (abandoned). The hypothesis was that in the cases of lower intensity or no soil tillage, there would be a higher level of fungal diversity with a lower ratio of pathogen strains in grape rhizosphere. In the course of this research, it has been determined that the level of fungal colonization of roots is the highest in the extensively managed vineyard, unrelated to season (spring and summer). Four of the five fungal genera detectable in all of the three sampled vineyards are registered as opportunist grape pathogens, however the fifth one, Trichoderma, is commonly used in biological plant protection. The diversity of fungal communities in grape rhizosphere, in accordance with the expectations, was the lowest in the intensively cultivated and highest in the abandoned vineyard, and it was not affected by seasons. The proportion of opportunist plant pathogen groups was higher in the intensive variant than in the other two (less-intensive variants); therefore, it is possible to conclude that soil under similar conditions but disturbed by intensive tillage methods tends to exhibit lower suppressivity.

Item Type: Article
Uncontrolled Keywords: soil management; fungal community; tillage; sustainability; intensity level
Subjects: S Agriculture > SB Plant culture
Depositing User: Gombosné, Sára
Date Deposited: 21 Oct 2021 13:33
Last Modified: 21 Oct 2021 13:33
URI: http://kea.ke.hu/id/eprint/65

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