Recent observations on leafy gall in Liliaceae and some other families H. J. MillerJ. D. JanseP. J. Muller OriginalPaper Pages: 55 - 68
Lonicera latent virus, a new carlavirus serologically related to poplar mosaic virus: some properties and inactivation in vivo by heat treatment F. A. Van Der MeerD. Z. MaatJ. Vink OriginalPaper Pages: 69 - 78
Spinach latent virus, a new ilarvirus seed-borne in Spinacia oleracea L. BosH. HuttingaD. Z. Maat OriginalPaper Pages: 79 - 98
Poplar mosaic virus: purification, antiserum preparation, and detection in poplars with the enzyme-linked immunosorbent assay (ELISA) and with infectivity tests on Nicotiana megalosiphon F. A. Van Der MeerD. Z. MaatJ. Vink OriginalPaper Pages: 99 - 110
Development of Myzus persicae on a partially resistant and on a susceptible genotype of lettuce (Lactuca sativa) in relation to plant age A. H. EeninkF. L. Dieleman OriginalPaper Pages: 111 - 116
Characterization of a carlavirus in elderberry (Sambucus spp.) J. W. M. Van LentA. J. WitJeanne Dijkstra OriginalPaper Pages: 117 - 134