PEACH DISEASES 319 



REFERENCES ON PEACH-MILDEW 



Jackson, H. S. Peach diseases. Powdery mildew. Oregon Crop 

 Pest and Hort. Bienn. Kept. 1911-1912 : 257-259. 1913. 



Whipple, O. B. Peach mildew. Colorado Agr. Exp. Sta. Bui. 107 : 

 3-7. 1906. 



Stewart, V. B. Some important leaf diseases of nursery stock. Mil- 

 dew of rose and peach. Cornell Univ. Agr. Exp. Sta. Bui. 358 : 

 221-226. 1915. 



Stewart, F. C. Notes on New York plant diseases, I. Peach. Pow- 

 dery mildew, Sphcerotheca pannosa (Wallr.) Lev. New York 

 (Geneva) Agr. Exp. Sta. Bui. 328 : 370-371. 1910. 



Selby, A. D. Preliminary report upon diseases of the peach. Peach 

 mildew. Ohio Agr. Exp. Sta. Bui. 92 : 225-226. 1898. 



Smith, E. F. Field notes, 1891. Peach mildew. Journ. Myc. 7: 

 90-91. 1892. 



Csesar, L. Peach diseases. Powdery mildew. Ontario Agr. Dept. 

 Bui. 201 : 40-41. 1912. 



ARMILLARIA ROOT-ROT 

 Caused by Armillaria mellea (Fries) Quel. 



In some sections of the country the peach among many 

 other fruit-trees is injured by the Armillaria root-rot. For a 

 fuller discussion of the disease, see Apple, page 96. 



CLITOCYBE ROOT-ROT 

 Caused by Clitocybe parasitica Wilcox 



The disease in question has been called rhizomorphic root- 

 rot. It occurs also on the apple and cherry. Facts concern- 

 ing its range, symptoms, cause and control are discussed under 

 Apple, page 102. 



RUST 

 Caused by Puccinia Pruni-spinoscs Pers. 



This rust disease, due to Puccinia Pruni-spinosce, occurs on 

 practically all the stone-fruits, but in the United States it 

 affects chiefly the plum. Certain stages in the development of 



