Volume 66 Number 1 Article 5 Pages: 28-33
Year 2012 Month 1
Title: Comparative Response of Red Raspberry Cultivars to Phytophthora Root Rot
Authors: P.P. Moore and W. Hoashi-Erhardt
Thirty red raspberry genotypes, including newly released cultivars and advanced selections from diverse breeding
programs, were evaluated for response to Phytophthora root rot over three years on a natively infested field site.
Plants were evaluated quantitatively and qualitatively for root rot symptoms and cane growth over three years
and compared to known resistant and susceptible cultivars.
Cultivars ‘Cascade Bounty’, ‘Jaclyn’, ‘Newburgh’,
‘Cascade Delight’, ‘Prelude’, ‘Sumner’, ‘Moutere’, ‘Ukee’, ‘Josephine’, and advanced selections WSU 1499 and
WSU 1447 had root rot responses similar to ‘Summit’ and were identified as resistant to the disease.
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