What is that?

Blossom, Foliage and Fruit Diseases

Brown rot - mature fruit (M. fructicola)	Brown rot - green fruit (M. fructicola)	Brown rot - blossom blight (M. fructicola)	Brown rot - fruit mummy (M. fructicola)
Botryosphaeria rot (B. dothidia; pdf)	Anthracnose rot (C. acutatum; pdf)	Peach scab on fruit (F. carpophilum)	Rhizopus fruit rot (R. stolonifer)
Gilbertella rot	Mucor rot	Powdery mildew	Jacket rot
Bacterial spot - fruit	Bacterial spot - leaf	Phomopsis - tendrils	Phomopsis - twig blight
Leaf curl	Leaf curl	Verticillum wilt	Verticillium wilt
Leucostoma - young lesion	Leucostoma - twig canker	Peach leaf rust	Peach leaf rust - sori
Sour rot on fruit (pdf)	Gummosis gumballs	Gummosis gumballs	Phony Peach - dots in limb
Bacterial Canker

Abiotic damages

Red spot disorder	Broncing	Inking	Hail injury
deer damage	Blind wood	Red Suture Disease

Insect damages

Grasshopper damage

Unknowns

Strange budgalls

Acknowledgements
Images of peach leaf rust were provided by Phillip Brannen, UGA.

Images of bacterial spot on fruit and leaves were provided by Dave Ritchie, NC State.

Images of grasshopper damage were provided by Greg Henderson, Edgefield, SC.

Some images were obtained from the world wide web and link to the original source to give authors credit.