Evaluation of breeding strategies for resistance and tolerance to late blight in potato by means of simulation M. Van Oijen Articles Pages: 3 - 11
The influence of cyst nematodes and drought on potato growth. 3. Effects on carbon isotope fractionation A. J. HaverkortG. W. Valkenburg Articles Pages: 12 - 20
Effectiveness of preventing flowering of hawthorn in protecting pear orchards from fire blight infection Henk J. Schouten Articles Pages: 21 - 32
Reaction of saprophytic bacteria from potato peel extracts and plant pathogenic bacteria in ELISA with antisera to Erwinia chrysanthemi (serogroup O1Ha) J. M. Van der WolfG. C. Gussenhoven Articles Pages: 33 - 44
First report of Rhizomonas sp. causing corky root of lettuce in Europe A. H. C. Van BruggenK. N. Jochimsen Articles Pages: 45 - 56
Physiological races and vegetative compatibility groups within Fusarium oxysporum f.sp. gladioli E. J. A. RoebroeckJ. J. Mes Articles Pages: 57 - 64
A greenhouse test for screening sugar-beet (Beta vulgaris) for resistance to beet necrotic yellow vein virus (BNYVV) H. PaulB. HenkenM. F. J. Alderlieste Articles Pages: 65 - 75