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Resistance in Tomatoes to Stemphylium floridanum and S. botryosum f. sp. lycopersici. Esther Bashi, Dept. of Life Sciences, Bar Ilan University, Ramat Gan; M. Pilowsky, Div. of Plant Genetics and Breeding, and J. Rotem, Div. of Plant Pathology, Agricultural Research Organization, the Volcani Center, Bet Dagan, Israel Phytopathology 63:1542-1544.

Tomato cultivars (Lycopersicon esculentum) resistant to Stemphylium solani were found to carry a high degree of resistance to S. floridanum and S. botryosum f. sp. lycopersici.  Data obtained from F1 hybrids between resistant and susceptible cultivars, indicated that resistance to both Stemphylium spp. is dominant.  Individual plants of several accessions of L. hirsutum f. glabratum, L. peruvianum, L. chilense, and L. pimpinellifolium showed a higher level of resistance than L. esculentum cultivars.

Additional keywords: gray leaf spot.