A Difficult Week: Letter of support, Lots of disease pressure, Poa annua greens decline, Wet fairways cook, Wilt and traffic injures roughs, Tim's fairy ring research, and Nick talks industry news
Chicago/Northern Illinois Update:
The occasion was the 4th of July weekend. All were smiles, especially golfers. We all were finally experiencing an extended dry period since early May and turfgrass growth had finally slowed. Golf balls would move fast and true, without jump or wiggle. Meanwhile superintendents were bracing themselves - likely to be an aftermath. A big weekend of play coincided with an especially hot and LONG weekend. In total, we logged 4 straight 90+ degree days (Sunday to Wednesday) and our current running total, 7 days, just beat the 6 of 2009. We are to expect 18 hot days this summer (normal).
Plants are adapted to growing zones and ours is "Cool and Humid." Therefore, a potential for physiological decline will always exist if temperatures remain hot - this week. With cool-season golf surfaces in the upper Midwest, it is just a plain fact that during peak summer heat respiration (energy use) exceeds photosynthesis (energy production). Nevertheless, golf continues largely unfazed by weekend decline and blemishes. Our next round is coming - July's 3rd week is always hot. Superintendents always make it look a lot easier - quickly adjust practices to optimize plant health. Up next...Round 2. - Derek Settle
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