sb4vr
10-26-2004, 01:08 PM
Winterkill is a general term used to described injury of turf in the winter. Winterkill can be caused by many things, including low-temperature injury, winter dehydration and fungal diseases. Low-temperature injury occurs when grasses, which have not hardened-off, are exposed to below-freezing temperatures. Warm-season grasses are more susceptible to low-temperature injury than cool-season grasses. Freezing and thawing in late winter accompanied by high soil moisture is a common cause of low-temperature kill. Winter dehydration occurs primarily in Northern regions under prolonged periods of cold and windy conditions with little or no snow cover.
Snow mold is a disease that also occurs mostly in Northern regions. It is caused by several different fungi and affects many turfgrasses. The symptoms are irregular to circular patches of water-soaked, yellowed, or bleached turf. They sometimes bear a whitish, gray or pinkish cast. Snow mold commonly becomes noticeable after a period of snow cover over unfrozen soil.
Snow mold is a disease that also occurs mostly in Northern regions. It is caused by several different fungi and affects many turfgrasses. The symptoms are irregular to circular patches of water-soaked, yellowed, or bleached turf. They sometimes bear a whitish, gray or pinkish cast. Snow mold commonly becomes noticeable after a period of snow cover over unfrozen soil.