Host suitability of a number of plants for the nematode Tylenchorynchus dubius R. D. Sharma OriginalPaper Pages: 97 - 100
The occurrence of inclusion bodies in leaf epidermis cells of sandal affected with spike disease Jeanne Dijkstra OriginalPaper Pages: 101 - 105
The natural control of the apple-grass aphid, Rhopalosiphum insertum, with remarks on the control of apple aphids in The Netherlands in general H. H. Evenhuis OriginalPaper Pages: 106 - 117
The occurrence of Piptocephalis in soils and its isolation J. van der SpekTjalina Ruinen Short Communications Pages: 118 - 119
A revised medium for Freesia meristem cultures D. Hendrina Brants Short Communications Pages: 120 - 121
Differences in reaction to Puccinia striiformis between first and second leaves in wheat crosses R. W. Stubbs Short Communications Pages: 122 - 123
On the incubation period of Puccinia horiana R. ZandvoortC. A. M. GroenewegenJ. C. Zadoks Short Communications Pages: 128 - 130