Precision rates for Primo applications

PACE member Aaron Ohloff, superintendent at Wyndemere Country Club in Naples, FL, recently observed that the variable weather at his location makes it difficult to determine the optimal rate of Primo (trinexepac–ethyl) to apply to his ultradwarf bermudagrass greens. If a consistent rate of Primo is used and the weather turns cool, then turf growth stops and the turf itself loses green color. If the weather turns warm, then the greens grow too quickly to meet membership demands.

Since Primo…