Disease

Anthracnose is a group of diseases that cause dark, sunken lesions on leaves, stems, flowers, and fruits. Anthracnose infects many deciduous and evergreen trees and shrubs and in some regions also infects fruits, vegetables, and turf grass

Bipolaris is a fungal disease that causes irregularly shaped brownish-green to black lesions to appear on the surface

Brown patch is a fungal disease caused by Rhizoctonia solani. It causes brown discoloured circular patches that range

Curvularia leaf spot is usually a secondary disease after primary pathogens, such as Spring Dead Spot and Helminthosporium, have infected turfgrass. When infected with Curvularia leaf spot, individual leaves initially show yellow and green dapple patterns that extend downwards from the leaf tip.

Dollar Spot disease is caused by a fungus that overwinters as sclerotia. Turf that is infected with dollar spot will commonly show small, sunken, circular patches about 1.5cm to 5cm in diameter.

Downy mildew is a fungal disease that affects many plants and appears as yellow to white patches on the upper surfaces of older leaves. On the undersides, these areas are covered with white to grayish, cotton-like fungi. These “downy” masses are most often noticed after rain or heavy dew and disappear soon after sunny weather resumes.

Drechslera is turf disease growing under stressful conditions, particularly in poorly draining profiles and areas

Fairy ring is a disease in turf that can cause circular or arc-shaped rings of darker or faster-growing grass in moist turf. In some cases, a concentric ring of dead grass may develop inside the circle of lush grass.

Fusarium patch is a type of fungal disease in turf caused by Microdochium nivale. Fusarium patch appears as circular, water-soaked spots, usually 5cm in diameter.

Grey leaf spot is a turfgrass disease that often first appears as as tiny, brown leaf and stem lesions, which enlarge rapidly into round to oblong spots. However, symptoms of Grey Leaf Spot will vary depending on the grass cultivar. Grey Leaf Spot disease is often more severe in newly established planting with high nitrogen levels.

Helminthosporium Disease is a complex of turfgrass diseases previously known as Helminthosporium leaf, crown and root disease.

Kikuyu Yellows is a water mould that infects roots and causes them to rot. Kikuyu Yellows kills out areas of turf