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Seed Transmission of Squash Mosaic Virus in Chenopodium spp.. B. E. L. Lockhart, Department of Plant Pathology, University of Minnesota/Institut Agronomique et Veterinaire Hassan II, Complexe Horticole, B.P. 438, Agadir, Morocco. Fatima Jebbour, Direction de la Protection des Vegetaux, Rabat, Morocco; and Angela M. Lennon, Scottish Crop Research Institute, Invergowrie, Dundee, Scotland. Plant Dis. 69:946-947. Accepted for publication 20 March 1985. Copyright 1985 The American Phytopathological Society. DOI: 10.1094/PD-69-946.

Squash mosaic virus (SqMV), which occurs naturally in Morocco in Chenopodium spp., was found to be seed-transmitted in C. murale and C. quinoa. Seed-transmission of SqMV, determined by enzyme-linked immunosorbent assay of germinated seedlings, was 20% in C. quinoa and 23% in C. murale. Atriplex glauca, a widespread, drought-resistant chenopodiacious weed, was infected systemically by SqMV, thereby constituting another potentially important reservoir of the virus.