Presidential address to the congress on the occasion of the foundation of a European association for research in the field of plant breeding J. C. Dorst BriefCommunication Pages: 1 - 3
Development and organization of the breeding of agricultural crops in the Netherlands J. C. Dorst OriginalPaper Pages: 4 - 10
The development and organization of forest tree improvement in the Netherlands H. Van Vloten OriginalPaper Pages: 14 - 17
Variation in pathogenicity of the potato root eelworm (Heterodera rostochiensis woll.,) and its significance in potato breeding J. M. Dunnett OriginalPaper Pages: 77 - 89
A new method of testing beans for anthracnose A. C. v. d. GiessenA. v. Steenbergen OriginalPaper Pages: 90 - 93
International collaboration in the study of varieties of lettuce J. A. HuyskesC. M. Rodenburg BriefCommunication Pages: 94 - 95