X-Message-Number: 23392
From: "Basie" <>
Subject: What one can learn from frozen Turf again  (1)
Date: Fri, 6 Feb 2004 18:25:18 -0500

Notice his reference to "bound" water. Maybe there is another way to protect
patients. Also note the danger of fungi gasses.


TER at They Look What to do About Themby M. GRIFFIN, Agronomist, USGA Green
Sectionturf problems can be deadly, unpre-in the sap solution and in
intercellular spacesdictable, and the worst problems those whoas well as
within the cell proper. When rapidwork with turf can encounter. The
problemsfreezing occurs, ice crystals form within thethough, are not
insoluable. We can examine howcell, and the protoplasm (the vital part of
theturf is damaged during the winter and, wherecell) may become
disorganized. Intercellular icepossible, explain what can be done to
lessenof this kind will almost always cause severethe problem.damage or
death.Turf Killed at Time of FreezingIf the plant has not had time to
"harden"properly it may die at the initial freeze. In thiscase, the plant is
rapidly growing and may bein a rather succulent condition with a high
con-tent of water in its cellular structure. Water isWhen the plant is
"hardened" by the gradualonset of cold weather and a slowing down of
thegrowth process, the tissues lose much of theirfree water and the sap
solution becomes moreconcentrated. Biochemical and biophysicalchanges cause
the protoplasm to become hy-drated with water in a "bound" or
unfreezableform and death is less likely to occur.Learnthe laNorthern
Uniterinjury as severeWhat are theknown of their The ravagessix

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