Leptosphaerulina trifolii Stenotaphrum secundatum (Rostr.) Petrak Grama, Gram Basionimo Sphaerulina trifolii SYMPTOMS The initial symptom of the disease is yellowing of the leaf tips, the affected area turns from yellow to brown and spreads into the leaf sheath. The blades become necrotic and wither, leading to the death of large areas of grass. Small […]
BLACK SPOT ON ROSE BUSHES
Diplocarpon rosae Rosa chinensis (Lib.) F.A. Wolf Rosal, Roser Drepanopezizaceae, Helotiales; Leotiomycetes Basionimo Asteroma rosae Lib. SINTOMAS D. rosae puede distinguirse de otras especies relacionadas por su especificidad en el huésped, el rosal al que está limitado. Black spot is a very important disease of roses. It starts on the surface of the leaves as […]