Volume 52 Number 1 Article 3
Year 1998 Month 1
Title: Field Resistance of Black Currant Cultivars (Ribes nigrum L.) to Diseases and Pests
Author: H.L. Pedersen
Abstract:
The performance of 16 black currant cultivars was evaluated during three or six seasons, no pesticides
were applied.
Annual growth, yield and berry size were recorded, and the level of diseases and pests was estimated.
The infections of the diseases American powdery mildew (Sphaertheca mors-uvae (Schwein.)
Berk. & Curt), leaf spot (Gloeosporidiella ribis (Libert) Petrak) and white-pine blister-rust (Cronartium ribicola
(J. C. Fischer) were rather serious, while insects were not a problem. Ribes nigrum L. cv. 'Titania' had
the greatest disease resistance and a high yield.
The cultivars 'Ben Alder,' 'Ben Conan,' 'Ben Lomond,' 'Ben
Sarek,' 'Ben Tirran,' 'Ben Tron' were susceptible to diseases and also had high yields.
These cultivars there
fore are recommended for organic or low-chemical-input systems. 'Stor Klas,' 'Hedda' and 'Risager' were
susceptible to diseases and had low yields and can't be recommended.
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