414 special plant pathology 



Parasitic Diseases of Plants 



A LIST OF THE COMMON AND IMPORTANT DISEASES OF ECONOMIC 



PLANTS IN THE UNITED STATES AND CANADA 



Alfalfa 



{Medicago saliva, L.) 



Anthracnose (Collelotrichum IrifoHi, Bain). 



Journ. Mycol., Vol. XII, p. 192 (1906). 

 Bacterial Blight (Pseudomonas medicaginis Sacket). 



BuU. 212, Colo. Agr. Exp. Sta. (October, 1915). 

 Downy Mildew (JPeronospora triJoUorum, de By.). 



N. Y. Agr. Exp. Sta., BuU. 305, p. 394 (1908)- 

 Leaf-blotch {Pyrenopeziza medicaginis, Fckl.). 



Phytopathology 6, Abstracts of Columbus Meeting. 

 Leaf-spot (Psettdopeziza medicaginis (Lib.), Sacc). 



Ibid., p. 384. 

 Root-gall {Urophlyclis alfalfa (v. Lagerh.), Magn.). 



Duggar, Fungous Diseases of Plants, p. 140 (1909). 

 Texas Root-rot (Ozonium omnivorum. Shear.) 



Tex. Agr. Exp. Sta., Bull. 22 (1892). 

 Rust {Uromyces slriatus Schrot). 



Bull. 218, Calif. Exp. Sta. (June, 1911). 



Iowa BuU. 131, p. 209 (April, 1912). 

 Violet Root-rot {Ehizoclonia crocorum (Pers.) DC). 



Phytopathology i, p. 103 (191 1). 

 Winter Injury. 



N. Y. (Cornell) Agr. Exp. Sta., Bull. 221, p. 6 (1904). 



Almond 

 {Prunus amygdalus, Baill.) 



ArmiUaria Root-Rot (ArmUlaria mellea, Vahl.). 



Cal. Agr. Exp. Sta., BuU. 218, p. 1084 (r9ii). 

 Crown-gaU (Pseudomonas lumefaciens, E. F. Sm. & Towns). 



Ariz. Agr. Exp. Sta., BuU. 33 (1900). 

 Die-back {Non-par.). 



Cal. Agr. Exp. Sta., Bull. 218, p. 1086 (1911). 

 Rust {Puccinia pruni-spinos<e Pers.). 



Duggar, Fungous Diseases of Plants, p. 417 (1909). 

 Shot-hole {Cercospora circumcissa, Sacc). 



Journ. Mycol., Vol. VII, p. 66 (1892). 



Ampelopsis 



Leaf-spot (Phyllosticla ampelopsidis, Ell. & Mart, Laestadia Bidwellii (Ell.) V. & R. 

 and Spharopsis hedericola (Speg.). 



