According to wikipedia, A leaf spot is a limited, discolored, diseased area of a leaf that is caused by fungal, bacterial, or viral plant diseases, or by injuries from nematodes, insects, environmental factors, toxicity or herbicides. What Causes Fungal Leaf Spot? As mentioned earlier, there are three main causes of the leaf spot; This bacterial/fungal … Read more

Anthracnose is the name given to a group of fungal diseases that cause dark sunken lesions on leaves, stems, flowers, and fruits of many deciduous and evergreen trees, including maple, white oak, elm, and dogwood. Each species of anthracnose fungus attacks only specific tree species This fungal disease often arrives with moist, warm weather, affecting … Read more