Intracellular accumulation of passiflora latent virus in chenopodium quinoa L. BosM. Rubio-Huertos OriginalPaper Pages: 145 - 153
Some physiological effects of spider mite infestation on bean plants J. J. H. Storms OriginalPaper Pages: 154 - 167
The relation of mansonones to resistance against dutch elm disease and their accumulation, as induced by several agents D. M. ElgersmaJ. C. Overeem OriginalPaper Pages: 168 - 174
Infection of Pythium sylvaticum in vitro with tobacco mosaic virus D. Hendrina Brants Short communication Pages: 175 - 176