Cell wall alterations and localized accumulation of feruloyl-3-methoxytyramine in onion epidermis at sites of attempted penetration by Botrytis allii are associated with actin polarisation, peroxidase activity and suppression of flavonoid biosynthesis

acide coumarique actin actina actine amidas amide amides biosynthese biosynthesis botrytis botrytis allii cell walls chemistry chimie citoplasma coumaric acids cytoplasm cytoplasme degradation disease resistance enfermedades de las plantas epiderme epidermis flavonoide flavonoides flavonoids glucoside glucosides glucosidos histochemistry maladie des plantes metanol methanol pared celular paroi cellulaire pathogens peroxidases phenolic compounds plant diseases quercetin quercetina resistencia a la enfermedad