Sphaeropsidone and episphaeropsidone, phytotoxic dimedone methyl ethers produced by Sphaeropsis sapinea f.sp. cupressi grown in liquid culture

biochemistry biochimie cupressus macrocarpa cupressus sempervirens enfermedades de las plantas enfermedades fungosas fitotoxinas fungal diseases maladie des plantes maladie fongique micotoxinas mycotoxine mycotoxins pathogens phytotoxine phytotoxins plant diseases symptome symptoms tomate tomatoes