Friday, October 16, 2009

Frost Delays

How can a footprint be a killer?
It's hard to believe that simply walking, or driving a cart across the turf covered with frost can cause so much damage. The proof will be there in a few days as the turfgrass dies and leaves a trail of cart tracks or brown footprints. That's why most courses will delay starting times until the frost has melted. And it's also why golfers who appreciate a quality putting surface will be patient during frost delays.
Why does frost cause problems?
All of the turf on the course is fragile. The putting surface, or green, is an extremely fragile environment that must be managed carefully and professionally. Remember that every green is a collection of millions of individual grass plants, each of which is a delicate living thing. Obviously, Mother Nature never meant for these plants to be maintained at 5/32 of an inch for prolonged periods. This stress makes greens constantly vulnerable to attacks from insects, disease, heat, drought, cold -- and frost.
Frost is essentially frozen dew. It can form when the temperature (or wind chill) is near or below the freezing point. The ice crystals that form on the outside of the plant can also harden or even freeze the cell structure of the plant. When frosted, the normally resilient plant cells become brittle and are easily crushed. When the cell membranes are damaged, the plant loses its ability to function normally. It's not much different than cracking an egg. Once the shell is broken, you can't put it back together.
The proof is in the prints
Although you won't see any immediate damage if you walk on frosted turf, the proof will emerge within 48 to 72 hours as the leaves die and turn brown. And, since just one foursome can leave several hundred footprints on each green, the damage can be very extensive.
Its not just golfers who cause damage
If you are out early in the morning walking your dog or jogging when frost is present, the damage is still the same. So during these times please use the cart paths rather than going across the fairways and greens.

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