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Old 01-13-2013, 11:52 PM
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RigglePLC RigglePLC is offline
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Join Date: Jul 2006
Location: Grand Rapids MI
Posts: 9,561
New seedlings 19 degrees

I reused the left over sprouts from last week. And I tested the ryegrass in the cup that was healthy, and about 2 inches tall...by placing it in a mild freezer at 19 degrees for 24 hours. The grass was injured. Most of the time it collapsed and bent over at a point about a half inch above the soil surface. I am assuming this was the delicate area of most rapid growth. And yes, the soil froze hard. I am not sure if a more gradual onset of cold would have allowed the new grass to adapt to the cold. Clearly a sudden cold snap to 19 degrees is detrimental.
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Last edited by RigglePLC; 01-13-2013 at 11:54 PM. Reason: add
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