Cytological studies of the germinating teliospores and basidiospores of Puccinia penniseti R. G. Kapooria OriginalPaper Pages: 2 - 7
De invloed van enkele milieufactoren op de vatbaarheid van erwten voor Botrytis cinerea Tj. P. WijngaardenJ. Ellen OriginalPaper Pages: 8 - 11
Chenopodium quinoa, a herbaceous test plant for chlorotic leaf spot virus in apple Hillegonda J. Pfaeltzer OriginalPaper Pages: 12 - 16
Heat treatment and meristem culture for the production of virus-free plant material J. G. ten HoutenF. QuakF. A. van der Meer OriginalPaper Pages: 17 - 24
On heat treatment of Chrysanthemum morilifolium against Puccinia horiana J. C. ZadoksC. A. M. GroenewegenR. Zandvoort Short Communications Pages: 25 - 27