strawberry wilt

agricultural agriculture agronomy algeria algiers arming blight brown chlorosis dahliae danger death disease diseased famine farm farmer field food fungi green greenhouse health healthy ill irish late leaf leaflets like loss losses mildew mycelia mycelium necrose necrosis oomycete parasite parasitism pathogen pathology petiole phytopathology plastic potato safe safety security sick soil spot strawberry symptoms threat unhealthy verticilum wilt wilting