Biological control of Rhizoctonia solani on potatoes by antagonists. 4. Inoculation of seed tubers with Verticillium biguttatum and other antagonists in field experiments G. JagerH. Velvis OriginalPaper Pages: 49 - 63
Fitness of isolates of Sphaerotheca fuliginea resistant or sensitive to fungicides which inhibit ergosterol biosynthesis H. T. A. M. Schepers OriginalPaper Pages: 65 - 76
Characterization of a carlavirus from dandelion (Taraxacum officinale) Jeanne DijkstraYvonne ClementH. Lohuis OriginalPaper Pages: 77 - 92
The use of incidence counts for estimation of aphid populations. 1. Minimum sample size for required accuracy S. A. WardR. RabbingeW. P. Mantel OriginalPaper Pages: 93 - 99
The use of incidence counts for estimation of aphid populations. 2. Confidence intervals from fixed sample sizes S. A. WardR. RabbingeW. P. Mantel OriginalPaper Pages: 100 - 104