APSnet Feature - Plum Pox Potyvirus Disease of Stone Fruits - Image - Apricot stones with plum pox virus-induced ring patterns in the fruit of A) mature apricot; and B) unripened apricot

Figure 5. Apricot stones with plum pox virus-induced ring patterns in the fruit of A) mature apricot; and B) unripened apricot.

(Photos courtesy of M. Barba, ISPAVE, Italy, and J. Dunez, INRA, France).