Michigan State University Extension
Ornamental Plants plus Version 2.0 - 00001207
01/01/98
PYRACANTHA DISEASE PROBLEMS
Fire blight causes wilting and blackening of shoots and
the dead leaves hang on the twigs. There is no chemical
control. Prune out infected twigs well below the infected
tissue.
Scab causes dark areas on the leaves that turn yellow,
then brown, then drop off. No chemical controls are
listed. Rake up and destroy infected leaves.
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mentioned. This information becomes public property upon
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a commercial product or company.
This file was generated from data base OP on 07/27/98.
Data base OP was last revised on 01/01/98.
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heatley@msue.msu.edu . Please read our
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