Check for Black-knot disease infection in chokecherry and plum trees
Black-knot disease infects chokecherry and plum trees when the weather is wet for more than 6 hours and temperatures are 55 - 77 degrees Fahrenheit.
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Plant Clinic
Black-knot disease infects chokecherry and plum trees when the weather is wet for more than 6 hours and temperatures are 55 - 77 degrees Fahrenheit.