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 {CoUetotrichum trifolii, Bain). 



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

 Bacterial Blight {Psendomonas mcdicaginis Sacket). 



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

 Downy Mildew (Peronospora trifoliorum, de By.). 



N. Y. Agr. E.xp. Sta., Bull. 305, p. 394 (1908). 

 Leaf -blotch {Pyrenopeziza medicaglnis, Fckl.). 



Phytopathology 6, Abstracts of Columbus Meeting. 

 Leaf -spot {Pseudopesiza medicaginis (Lib.), Sacc). 



Ibid., p. 384. 

 Root-gall {Urophlyciis 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, 191 1). 



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

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



Phytopathology i, p. 103 (1911). 

 Winter Injury. 



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



Almond 

 {Prunus amygdalus, Baill.) 



Armillaria Root- Rot {Annillaria mellea, Vahl.). 



Cal. Agr. Exp. Sta., Bull. 218, p. 1084 (191 1). 

 Crown-gall {P seudomonas tiimefaciens, E. F. Sm. & Towns). 



Ariz. Agr. Exp. Sta., Bull. t,t, (1900). 

 Die-back [N on- par.). 



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

 Rust {Puccinia pruni-spinosm 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 ampelopsidls, Ell. & Mart, Laestadia BidweUii (Ell.) V. & R. 

 and SphcEropsis hedericola (Speg.). 



