Diseases

Fusarium Patch — Colonial Bentgrass

Agrostis capillaris L.

A fungal disease caused by the pathogen Microdochium nivale, affecting the turf cover of colonial bentgrass under conditions of high humidity and cool temperatures.

In the reference 6 varieties crop Common bent, where this is mentioned in the description.

For colonial bentgrass, the primary causal agent of the disease known as fusarium patch is the fungus Microdochium nivale. The disease manifests as circular spots 1–2 cm in diameter, which may enlarge during development. In the initial phase, affected areas acquire an orange-reddish-brown hue.

During active development of the pathogen, a white or pinkish mycelial ring often forms around the edges of the spots, while the central part of the area turns yellow or pale brown. The disease spreads most intensely during the spring and autumn periods under conditions of high air and soil moisture.

Specific resistance genes or pathotypes of Microdochium nivale characteristic of colonial bentgrass have not been identified. Cultivar resistance is assessed as a complex trait based on field trial results, without the isolation of individual genetic markers.

General information about the subject — on the page Fusarium wilt and blight.

Sources7

Varieties of Common bent mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.