Salicylic Acid Accumulation in Barley Is Pathogen Specific but Not Required for Defense-Gene Activation

Abstract
Barley (Hordeum vulgare) seedlings were inoculated with the biotrophic pathogen Erysiphe graminis f. sp. hordei, the biotrophic nonhost pathogen E. graminis f. sp. tritici, and the necrotrophic non...