Rice yellow mottle, a mechanically transmissible virus disease of rice in Kenya W. Bakker OriginalPaper Pages: 53 - 63
The isolation of a further new race of Erysiphe graminis DC. f.sp. hordei Marchal and the genetical basis of the resistance of ‘Lyallpur 3645’ L. A. J. Slootmaker OriginalPaper Pages: 64 - 69
Reactions of various plant species to inoculation with potato virus S J. A. De Bokx OriginalPaper Pages: 70 - 78
Experiments on the use of latex, bentonite, and water-insoluble antiserum protein polymers in sensitive serological tests D. Z. Maat OriginalPaper Pages: 79 - 92
A rapid method for distinguishing the tulip and daffodil races of Ditylenchus dipsaci (Kuehn) W. A. Windrich OriginalPaper Pages: 93 - 98
The isolation of sharka (plum pox) virus from leaves and fruits of plum with herbaceous plants H. J. Van Oosten Short Communication Pages: 99 - 103