Biosecurity Queensland - Do you have ring-shaped spots on your pawpaws? Papaya ringspot virus poses a serious threat to Queensland's $25 million papaya (or pawpaw, or papaw) industry, which is located mostly
Papaya Ringspot Virus: How to Identify and Deal With This Devastating Disease
TNAU Agritech Portal :: Crop Protection
NCSU PDIC: Sample of the Week: Papaya Ringspot Virus on Watermelon
Peony - Ringspot Virus - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension