Investigations of currant viruses in the Netherlands II. Further observations on spoon leaf virus, a soil-borne virus transmitted by the nematodeLongidorus elongatus F. A. van der Meer OriginalPaper Pages: 33 - 46
Serological differences between red currant spoon leaf virus, virus isolates from Eckelrade-diseased cherry trees and the Scottish raspberry ringspot virus D. Z. Maat OriginalPaper Pages: 47 - 53
Electron microscopy of DNA-cores in nuclear polyhedral viruses M. B. Ponsen OriginalPaper Pages: 54 - 56
Samenvattingen van de Voordrachten, Gehouden op de Planteziektendagen, 18 en 19 Februari 1965, te Wageningen Report Pages: 57 - 63