The relationships between pea necrosis virus and bean yellow mosaic virus L. BecznerD. Z. MaatL. Bos OriginalPaper Pages: 41 - 50
The growth of aggressive and non-aggressive strains of Ophiostoma ulmi in susceptible and resistant elms, a scanning electron microscopical study H. J. MillerD. M. Elgersma OriginalPaper Pages: 51 - 65
Lilac ring mottle virus: isolation from lilac, some properties, and relation to lilac ringspot disease F. A. Van Der MeerH. HuttingaD. Z. Maat OriginalPaper Pages: 67 - 80
Different ethylene production in vitro by several species and formae speciales of Fusarium Annie SwartG. A. Kamerbeek OriginalPaper Pages: 81 - 84
The likelihood of development of resistance to systemic fungicides which inhibit ergosterol biosynthesis A. FuchsC. A. Drandarevski Short Communication Pages: 85 - 87