Chemotaxonomy of Compositae related to their host suitability for Pratylenchus penetrans F. J. GommersD. J. M. Voorin'tholt OriginalPaper Pages: 1 - 8
Drain of nutrients imposed when Aphis sambuci and a. fabae feed on the inflorescence of Yucca flaccida, and the amounts retained by the aphids P. M. L. TammesJ. van Die OriginalPaper Pages: 9 - 12
Antagonism of yeastlike phyllosphere fungi against Septoria nodorum on wheat leaves N. J. FokkemaF. van der Meulen OriginalPaper Pages: 13 - 16
Effect of benomyl on the potato cyst nematode, Heterodera rostochiensis H. Hoestra OriginalPaper Pages: 17 - 23
Applied plant virus research: an analysis, and a scheme of organization L. Bos OriginalPaper Pages: 24 - 38