Effects of Phaeomoniella chlamydospora and Phaeoacremonium aleophilum on grapevine rootstocks Efecto de Phaeomoniella chlamydospora y Phaeoacremonium aleophilum sobre portainjertos de vid

Abstract

Cuttings of five grapevine (Vitis vinifera) rootstocks were wounded and immediately inoculated with suspensions (approximately 5×10 3 conidia·mL -1) of either Phaeomoniella chlamydospora, Phaeoacremonium aleophilum or a mixture of both species. The presence of these endophyte fungi affected the quality of each of the five rootstocks. Among the roostocks investigated in this study, 1103P and 101-14 MG were less susceptible to the infection caused by Pa. chlamydospora and Pm. aleophillum.