Assessment of grapevine cultivars for resistance to Phakopsora euvitis

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Contents Vol 36(4)

doi:10.1071/AP07028

Assessment of grapevine cultivars for resistance to Phakopsora euvitis

C. R. Hennessy ^A, A. M. Daly ^A ^B, M. N. Hearnden ^A

^A Department of Primary Industry, Fisheries and Mines, GPO Box 3000, Darwin, NT 0801, Australia.
^B Corresponding author. Email: andrew.daly@nt.gov.au





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Australasian Plant Pathology 36(4) 313–317 http://dx.doi.org/10.1071/AP07028
Submitted: 27 August 2006 Accepted: 3 March 2007 Published online: 3 July 2007

Abstract

A total of 411 grapevine genotypes were screened in vitro for resistance to the rust pathogen Phakopsora euvitis. They included both rootstock and hybrid selections from 14 different Vitis species, principally V. vinifera. The majority tested were susceptible or highly susceptible. Not one was asymptomatic. The interspecific hybrid selections ‘41B’ and ‘Seibel 128’ (both rootstocks) and ‘Aurore’ showed the highest level of resistance to the pathogen.

Keywords: grapevine leaf rust.