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ProSelect:

Cold Tolerance

cold tolerance programme In winter, the turf manager's challenge is to minimise damage to the leaf of the grass plant. While frost and snow do not damage the plant, injury can be caused to the leaf by the movement of foot and machinery traffic on frosted areas causing discolouration and thinning. Pure-Seed Testing developed a number of varieties which are more resistant to damage in cold conditions, so you can have beautiful turf all year round.

Freezing or direct low temperature, desiccation and frost injury can comprise winter injury symptoms. Turfgrass species and cultivars differ in their responses to each of these stresses. Direct low temperature (winter kill) and desiccation injury are generally expressed as a visual estimate of percent damaged ground cover. Frost injury is expressed on a 1-9 rating scale, with 1 indicating 100% leaf injury and 9 indicating no injury.

Varieties awarded the Cold Tolerant icon have been bred to withstand winterkill from frost.