Centre National De La Recherche Scientifique

Institut National De La Recherche Agronomique (Inra)

Blue Solutions

Pierre Mas

Thadee J Staron

Paul-Michel Molot

Olivier Lhomme

Arnaud Jourdren

Maud Bruneteau

These compounds, represented by the formula (I) below, are used by way of agents inducing resistance to cryptogamic diseases in plants capable of being infested by a pathogenic fungus, for example, for the protection of wheat especially with respect to Septoria nodorum, Erysiphe graminis and Gaemannomyces graminis; of capsicum with respect to Phytophthora capsici; of melon with respect to Pseudoperonospora cubensis; of tomato with respect to Phytophthora infestans; and of 'Xanthi' tobacco with respect to Phytophthora parasitica var. nicotianae. ##STR1## in which Z denotes the residues: ##STR2##

Sphingophospholipids containing inositol, and their application as

These compounds, represented by the formula (I) below, are used by way of agents inducing resistance to cryptogamic diseases in plants capable of being infested by a pathogenic fungus, for example, for the protection of wheat especially with respect to Septoria nodorum, Erysiphe graminis and Gaemannomyces graminis; of capsicum with respect to Phytophthora capsici; of melon with respect to Pseudoperonospora cubensis; of tomato with respect to Phytophthora infestans; and of 'Xanthi' tobacco with respect to Phytophthora parasitica var. nicotianae. ##STR1## in which Z denotes the residues ##STR2## with 0.ltoreq.n1.ltoreq.15; 0.ltoreq.m1.ltoreq.15 and n1+m1=15; and CH.sub.3 --(CH.sub.2).sub.n2 --CH--(CH.sub.2).sub.m2 --, with 0.ltoreq.n2.ltoreq.18; 0.ltoreq.m2.ltoreq.18, and n2+m2=18.

Sphingophospholipids containing inositol, their production, and their

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St-Saturnin-Les-Avignon, France

Pierre Mas