Phaeoacremonium aleophilum (Pal) and Phaeomoniella chlamydospora (Pch) are commonly and consistently found in the wood discoloration of the three tracheomycotic syndromes of esca and are thus considered the causal agents of this phaeotracheomycotic complex. Infections commonly occur in vineyards or derive from infected mother plants. However the grafting process in nurseries can pose an additional risk of infections. Trichoderma atroviride SC1, applied at the hydration, callusing and pre-planting stages, effectively controlled infection of Pal and Pch, hydration treatments proving the most effective. The viability of conidia of T. atroviride SC1 in the suspension used to soak the grapevine cuttings did not change within the first 72 h at temperatures of between 5 and 15 °C and it was possible to re-use the suspension at least four times within 48 h without losing viability, making the treatment a practical and valuable measure for nurseries

Pertot, I.; Prodorutti, D.; Colombini, A.; Pasini, L. (2016). Trichoderma atroviride SC1 prevents Phaeomoniella chlamydospora and Phaeoacremonium aleophilum infection of grapevine plants during the grafting process in nurseries. BIOCONTROL, 61 (3): 257-267. doi: 10.1007/s10526-016-9723-6 handle: http://hdl.handle.net/10449/29133

Trichoderma atroviride SC1 prevents Phaeomoniella chlamydospora and Phaeoacremonium aleophilum infection of grapevine plants during the grafting process in nurseries

Pertot, Ilaria;Prodorutti, Daniele;Colombini, Andrea;Pasini, Luca
2016-01-01

Abstract

Phaeoacremonium aleophilum (Pal) and Phaeomoniella chlamydospora (Pch) are commonly and consistently found in the wood discoloration of the three tracheomycotic syndromes of esca and are thus considered the causal agents of this phaeotracheomycotic complex. Infections commonly occur in vineyards or derive from infected mother plants. However the grafting process in nurseries can pose an additional risk of infections. Trichoderma atroviride SC1, applied at the hydration, callusing and pre-planting stages, effectively controlled infection of Pal and Pch, hydration treatments proving the most effective. The viability of conidia of T. atroviride SC1 in the suspension used to soak the grapevine cuttings did not change within the first 72 h at temperatures of between 5 and 15 °C and it was possible to re-use the suspension at least four times within 48 h without losing viability, making the treatment a practical and valuable measure for nurseries
Wood diseases
Vitis vinifera
Biofungicide
Esca
Brown wood streaking
Petri disease
Grapevine leaf stripe disease
Settore AGR/12 - PATOLOGIA VEGETALE
2016
Pertot, I.; Prodorutti, D.; Colombini, A.; Pasini, L. (2016). Trichoderma atroviride SC1 prevents Phaeomoniella chlamydospora and Phaeoacremonium aleophilum infection of grapevine plants during the grafting process in nurseries. BIOCONTROL, 61 (3): 257-267. doi: 10.1007/s10526-016-9723-6 handle: http://hdl.handle.net/10449/29133
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