Grape Rust, Physopella ampelopsidis, on Vitis rotundifolia in North Carolina

Métodos de inoculação de Phakopsora euvitis Ono em Vitis labrusca L.

“…Segundo TESSMANN et al (2007), embora mais rara de ser observado no campo, o patógeno infecta também folhas jovens em condições controladas. No que se refere ao método de inoculação com suspensão de esporos (T2) e discos de folhas com esporos (T3), CLAYTON & RIDINGS (1970) …”

First record of grapevine leaf rust in the Northern Territory, Australia

“…The presence of uninfected vines near heavily infected vines suggests that some of the grape cultivars present in Darwin may be resistant to the disease. Resistance is known to occur within some Vitis hybrids, particularly those derived from V. rotundifolia, V. tiliaefolia, V. simpsoni, and V. coriaceae (Clayton and Riding 1970;Leu 1988). The identity of the majority of grape cultivars in Darwin is unclear.…”