LIST OF SPECIFIC DISEASES OF PLANTS 465 



Sunflower 

 (Helianthtis anntius, L.) 



Black-rot {SphcBronema fimbriatum (Ell. & Hals.) Sacc). 



Duggar, p. 348 (1909). 

 Dry-rot (Phoma batata, Ell. & Hals.). 



Duggar, p. 344 (1909). 

 Root-rot {Cortkium vagum, B. & C. var. solani, Burt.). 



Duggar, p. 444 (1909). 

 Rust (Puccinia lielianiki, Schw.). 



Sweet Pea 

 {Lathyrus odoratus, 'L.y 



Anthracnose {Glomcrella rufomacidans (Berk.), Spauld. & v. Schr.). 



Powdery Mildew (Erysiphe polygoni DC). 



Root-rot (Thielavia basicola, Zopf.; Rhizoctonia {Corticium vagum, Bri. & Cav. 



var. solani Burt); ChcBlomiiim spirochete, Pall.; Fusarium lathyri, Taub. 



& Manns). 

 Stem or Collar-rot {Sclerotinia libertiana, Fckl.). 

 Streak {Bacillus lathyrii, Manns & Taub.). 



Sweet Potato 

 {Ipomceo batatas, Lam.) 



Black-rot (Sphoeronema (Ceratocystis) fimbriata (Ell. & Hals.), Sacc). 

 Descr. Illus., N. Y. Agr. Exp. Sta., Bull. 76, pp. 7-13 (1890). 



Journ. Mycol., Vol. VII, pp. 1-9 (1891). 

 Treat, (pos.), Md. Bull. 60, pp. 147-168, figs. 17 (March, 1899). 

 (rec), U. S. Dept. Agr., Farm. Bull. 26, p. 21 (1895). 

 Charcoal-rot {Sclcrollum bataticola, Taub.). 



Phytopathology 3, p. 161 (1913). 

 Foot- rot (Plenodomus destruens. Hart.). 



Phytopathology. 3, pp. 242-245 (1913). 



Taubenhaus & Manns, Bull. 109, Del. Agr. Exp. Sta., May, 1915. 

 Journ. Agr. Research I, p. 251 

 Java- rot {Las iodiplodia tuber icola, Ell. & Ev.). 

 Soil-rot {Acrocystis batatae, Ell. & Hals.). 



Descr. Illus., N. J. Agr. Exp. Sta., Bull. 76, pp. 14-18 (1890). 

 Treat, (pos.), N. J. Agr. Exp. Sta., Rep. 20, 1899, pp. 345-354. 



N. J. Spec. Bull. 5, February, 1900, pp. 22-31, pis. 3 (1900). 



1 Consult Taxjbenhaus, J. J.: The Diseases of the Sweet Pea, Bull. 106, Del. 

 Agric. Exper. Sta., November, 1914. 

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