1.  PPV - peach, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

2.  PPV - peach, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

3.  PPV - peach, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

4.  PPV - apricot, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

5.  PPV - apricot, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

6.  PPV - apricot, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

7.  PPV - apricot, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

8.  PPV - apricot, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

9.  PPV - apricot, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

10.  PPV - apricot, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

11.  PPV - peach, M. Ravelonandro, INRA, Bordeaux, France

12.  PPV - Prunus tomentosa, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

13.  PPV - title slide,  R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

14.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

15.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

16.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

17.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

18.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

19.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

20.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

21.  PPV - peach, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

22.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

23.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

24.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

25.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

26.  PPV - Prunus domestica, European plum, R. Scorza, USDA, Appalachian Fruit Research Station, Kearneysville, WV  25430

27.  PPV - peach, CTIFL, 22 rue Bergere, 75009, Paris, France

28.  PPV - peach, CTIFL, 22 rue Bergere, 75009, Paris, France

29.  PPV - apricot, CTIFL, 22 rue Bergere, 75009, Paris, France

30.  PPV - apricot, CTIFL, 22 rue Bergere, 75009, Paris, France

31.  PPV-D - peach, K. D. Hickey, Penn State University, Fruit Research and Extension Center, Biglerville, PA

32.  PPV-D - peach, K. D. Hickey, Penn State University, Fruit Research and Extension Center, Biglerville, PA

33.  PPV-D - peach, K. D. Hickey, Penn State University, Fruit Research and Extension Center, Biglerville, PA

34.  PPV-D - peach, K. D. Hickey, Penn State University, Fruit Research and Extension Center, Biglerville, PA

35.  PPV-D - peach, K. D. Hickey, Penn State University, Fruit Research and Extension Center, Biglerville, PA

36.  PPV-D - peach, K. D. Hickey, Penn State University, Fruit Research and Extension Center, Biglerville, PA