Annuals, perennials, plants, trees, shrubs, Landscaping items, garden supplies and gifts at Ron Paul, We ve Got it allLawn Disease Identification Chart. Diagnosing lawn and landscape diseases is not easy. Many diseases have similar symptoms and symptoms vary as the disease progresses. Most symptoms become apparent in a plants leaves. JPGs/brownpatch2.JPG' alt='Brown Patch Fungus Fescue Lawn' title='Brown Patch Fungus Fescue Lawn' />Brown Patch and Large Patch Lawn Diseases Rhizoctonia Solani Disease Overview. Brown patch and large patch diseases are closely related and will cause similar damage. They either turn yellow, curl up, develop gray or black spots, turn brown and drop off. It is extremely difficult to identify specific diseases without actually looking at the plant. Currently-brown-patch-is-mostly-in-a-leaf-spotting-phase-where-lesions-are-variously-shaped-tan-or-brown-with-a-dark-brown-band-on-the-border.-600x250.jpg' alt='Brown Patch Fungus Fescue Lawn' title='Brown Patch Fungus Fescue Lawn' />To improve the odds of making a diagnosis here are some questions to answer before visiting a local nursery What appears to be wrong with the plant Exactly what are the symptoms What is the condition of the surrounding vegetation Are other plants displaying similar conditions How long has the problem been thereContrary to some common misconceptions, plants do not become sick overnight. Usually, diseases take a considerable amount of time to develop, sometimes years. After speaking with the nursery, you might want to ask the following Of the possible remedies, which are practical This is a crucial stepRemember, doing nothing and merely tolerating the situation may be the most practical thing to do. Of the practical remedies, when would be the best time of year to apply them Will any follow up activity such as reapplication of a spray be needed The following are some general clues that can help you make the call. Plant Symptoms. Cause. Fungal growth on the blade. Long black streaks of powdery spores. Stripe smut. Powdery white dust. Powdery mildew. Red Orange powder. Rust. Gray fungus that is easily rubbed off. Patch_02.jpg' alt='Brown Patch Fungus Fescue Lawn' title='Brown Patch Fungus Fescue Lawn' />Slime mold. Spots on leaves but no fungus visible. Reddish brown to blue black, circular or oval. Leaf spot. Straw colored bands with a reddish brown border. Ne Yo Let Me Love You Mp3 Song there. Dollar spot. Brown or scorched leaves progressive dieback of branches. Poor root health from poor drainage, excessive soil dryness, excessive fertilizer, compaction and poor water penetration into soils, or girdling roots. Mechanical injury. Excessive heat or light reflected onto leaves from driveways or buildings. Root rot or crown rot caused by fungi. Leaves of only one branch dying. Fungal canker. Mechanical injury. Insect or winter damage Chemical over spray damage Early leaf drop Poor root health from poor drainage, excessive dryness, excessive fertilizer, compacted soil, or girdling roots. Mechanical injury, heat stress, insect damage, herbicide injury, or fungal infestations Wilting or drooping leaves Poor root health from poor drainage, excessive dryness, excessive fertilizer, compacted soil, over watering, or planting too deep. Mechanical injury or harmful chemicals drained into the soil Fungal or bacterial infection. Fungal cankers. Root or crown rot by fungi or root feeding nematodes. Insect infestation Leaves with tiny yellow speckling or yellow banding of needles. Fallout New Vegas Download Code more. Mite or other insect infestation Fungal or bacterial infections Air pollution Deformed leaves Herbicide or late frost injury Insect infestation Anthracnose, virus infection Over spray injury Lawn Symptoms. Cause. Circular diseases areas. Observed in late winter or early spring. Snow mold. Present in summer, spring or fall 1 4 or more in diameterWith mushrooms. Office 2003 Self Extracting. Fairy ring. No mushrooms. Brown patch. Present in summer, spring or fall 1 8 in diameterThroughout the lawn. Dollar spot. Only in full sun, show green center. Fusarium blight. In low areas and often in streaks. Pythium blight. Irregularly shaped diseased areas. New lawn seedlings wilt and die. Damping off. Mature lawn affected, spots on leaves. Leaf spot. If diseases do strike your lawn, you can deal with them individually once you are able to recognize. It is important to first know the disease before beginning to make arbitrary treatments.