The effect of different ways of watering pots after the application of aldicarb on control of the potato cyst-nematode H. Den Ouden OriginalPaper Pages: 1 - 4
The occurrence of a soluble protein (E1) in cucumber cotyledons infected with plant viruses P. W. L. TasD. Peters OriginalPaper Pages: 5 - 12
The identification of two new strains of bean common mosaic virus E. DrijfhoutL. Bos OriginalPaper Pages: 13 - 25
Studies on the sterile-male technique as a means of control of adoxophyes orana (Lepidoptera, Tortricidae) 4. Technical and economic aspects of mass-rearing G. W. AnkersmitR. RabbingeH. Dijkman OriginalPaper Pages: 27 - 39