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Leaf Spotting Causes And Solutions
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LEAF SPOTTING: CAUSES AND SOLUTIONS - Mass. Fruit …
www.massfruitgrowers.org-42-LEAF SPOTTING: CAUSES AND SOLUTIONS David A. Rosenberger Cornell University’s Hudson Valley Lab PO Box 727, Highland, NY 12661 Introduction Leaf spots on apples can be caused by fungal pathogens, air pollution, viruses, or injury