“…Jones and Grout, a pathogen recognized as the causal agent of early blight disease in potato (Solanum tuberosum L.) (Brian et al, 1952) and tomato (Lycopersicon esculentum Mill.) (Pound and Stahmann, 1951), and they include alternaric acid (Bartels-Keith and Grove, 1959;Stoessl and Stothers, 1984), the altersolanols (Yagi et al, 1993), the alterporriols (Suemitsu et al, 1990), the solanopyrones (Ichihara et al, 1983), and tentoxin (Suemitsu et al, 1992a). There is also a single report on the production of two lipid-like HSTs by cultures of A. solani (Matern et al, 1978); however, the chemical identity of these metabolites remains unknown.…”