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Mailing Address:

Long Island Horticultural Research & Extension Center
3059 Sound Avenue
Riverhead, NY 11901

Phone: 631-727-3595 (no voice mail)
Fax: 631-727-3611

Plant Pathology and Plant-Microbe Biology Section

Graduate Studies in Plant Pathology at Cornell

poinsettia with powdery mildew

Poinsettia with powdery mildew.