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8 cultivars of the commercial tomato ( LYCOPERSICON ESCULENTUM) and 4 species of wild tomato plants ( L. HIRSUTUM, L. PIMPINELLIFOLIUM, L. GLANDULOSUM, L, PERUVIANUM) were investigated with regard to their production of 2-tridecanone in leaflets, petioles and stems during different stages of development and under different conditions of cultivation. The significance of 2-tridecanone as defence substance against fungal pathogens and pests of LYCOPERSICON spp. is discussed.
Urbasch
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Institut für Angewandte Botanik, Lehrstuhl für Pharmakognosie, Universität Hamburg, Bundesstraße 43, D-2000 Hamburg 13, FRG.