New perspectives for the use of Ampelomyces-based biofungicides for effective control of powdery mildew on grapevine

Tito Caffi, Vittorio Rossi, Sara Elisabetta Legler, Massimo Benuzzi, Edith Ladurner

Risultato della ricerca: Contributo in libroContributo a convegno

Abstract

Powdery mildew (PM) is one of the most widespread diseases of grapevine across Europe, and its control requires intensive fungicide sprays. During a 3-year study (2007-09) carried out in Northern Italy, the efficacy of late-season applications of the hyperparasitic fungus Ampelomyces quisqualis isolate M-10 (formulated product: AQ10® WG), a sustainable alternative to chemical fungicides, in reducing PM inoculum and thus disease pressure the following season was evaluated. AQ10 proved to be effective in stopping the production of new chasmothecia and reducing the number of mature ascocarps in potted grapevine plants, leading to reducing the PM severity on both leaves and bunches in the vineyard the following season. Late-season applications of AQ10 showed a mean efficacy of 40% (1 application) to 64% (2 applications) in reducing disease severity on bunches the following spring
Lingua originaleEnglish
Titolo della pubblicazione ospite4th International Conference on Alternative Methods in Crop Protection. Evolution of the European and French regulatory framework - new ways and innovative strategies, Nouveau Siècle, Lille, France, 8-10 March 2011
Pagine546-551
Numero di pagine6
Stato di pubblicazionePubblicato - 2011
Evento4th International Conference on Alternative Methods in Crop Protection. Evolution of the European and French regulatory framework - new ways and innovative strategies - Lille, FR
Durata: 8 mar 201110 mar 2011

Convegno

Convegno4th International Conference on Alternative Methods in Crop Protection. Evolution of the European and French regulatory framework - new ways and innovative strategies
CittàLille, FR
Periodo8/3/1110/3/11

Keywords

  • AQ10
  • ampelomyces
  • grapevine
  • mycoparasitism
  • powdery mildew

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