Jun
08
ANTHRACNOSE
ANTHRACNOSE ON ROSE PLANT CAUSAL ORGANISM: Sphaceloma rosarum: Not much is known about this disease, however, it can be severe under cool moist spring conditions. Wild rose, climbers and ramblers seem most susceptible but hybrid tea and bush roses also get the disease. SYMPTOMS: Initially leaf spots are about .5 cm diam and black, which makes […]