LIST OF DISEASES OF ECONOMIC PLANTS 97 



SOLANUM— Continued. 



S. melongena, eggplant — Continued. 



Bacterium solanacearum EFS. (Phytomonas solanaceara (EFS.) Com. S. A. 



B.), bacterial wilt. Southern States. 

 Botrytis cinerea Auct., gray-mold rot. Mass., Conn., Wash., Calif. 

 Colletotrichum atramentarium (Berk, and Br.) Taub., fruit-rot, anthracnose. 



General east of Great Plains; Utah. 

 Corticium vagum Berk, and Curt., stem-rot. Pa., N. J., Fla., Ala., La., Tex., 



Wash. 

 Diplodia sp., fruit-spot. Fla. 

 • Fusarium spp., wilt. East of Miss. River; La., N. Mex. 

 Gloeosporium melongenae Ell. and Hals., anthracnose. General east of Great 



Plains. 

 Heterodera radicicola (Greef) Muell., root-knot. Southern States; Nev. 

 Ozonium omnivorum Shear (Phymatotrichum omnivorum (Shear) Dug.), root- 

 rot. Tex. 

 Phoma sp., storage rot. Me. 

 Phomopsis vexans (Sacc. and Syd.) Harter, leaf-spot, fruit-rot. East of Great 



Plains; Calif. 

 Phyllosticta solani Ell. and Mart., leaf -spot. La. 

 Phytophthora sp., rot. Ind. 

 P. infestans (Mont.) D By., late-blight. N. Y. 

 Pythium debaryanum Hesse, damping-off . Conn. 

 Sclerotinia sclerotiorum (Lib.) Mass., stem-rot. Va., La. 

 Sclerotium rolfsii Sacc, stem-rot. Ga., La. 

 Verticillium alboatrum Reinke and Berth., wilt. Mass., N. Y., N. J., Pa.,. 



Va., S. C, Ga. 

 Mosaic, undet. Conn., Fla., Iowa. 

 . tuberosum, potato. 



Actinomyces scabies (Thax.) Gues., scab. General. 

 Alternaria solani (Ell. and Mart.) L. R. Jones and A. J. Grout, early-blight- 



General, especially east of Rocky Mts. 

 Armillaria mellea (Vahl) Quel., root-rot. Mich., Wis.,.Wyo., Pacific coast- 

 Bacillus spp., soft-rot. General, especially on harvested crop in transit and 



market. 



B. phytophthorus O. Appel (Erwinia atroseptica (Van Hall) Com. S. A. B.), 

 black-leg. General; reported from practically every State. 



Bacterium solanacearum EFS. (Phytomonas solanaceara (EFS.) Com . S. A. B.) f 



bacterial wilt. Southern States. 

 Cercospora concors (Casp.) Sacc, leaf-blotch. Vt., N. Y., W. Va., Ga.,. 



Ind., Mich. 



C. solanicola Atk., leaf -spot. Ala. 

 Colletotrichum atramentarium (Berk, and Br.) Taub., anthracnose. N. Y. f 



W. Va., Ohio, Fla., Utah, Oreg. 

 Corticium vagum Berk, and Curt., scurf, stem-rot. General; in every State- 

 Fusarium spp., dry rots. Common everywhere on harvested tubers. 

 F. eumartii C. W. Carpenter, stem-end rot. N. Y., Pa., Ohio, Nebr. 

 F. oxysporum Schl., wilt. Widespread; less destructive in more northern 



late-potato sections. 

 F. radicicola Woll., jelly end-rot. N. Y., Va., D. C, Miss.; not uncommon 



in Western States. 

 F. sulphur eum Schl., tuber rot. N. Dak. 

 F. trichothecioides Woll., powdery dry-rot. Ohio, Wis., Minn., Iowa, S. Dak.,. 



Nebr., Ariz., Utah, Idaho, Wash., Oreg. 

 Heterodera radicicola (Greef) Muell., root-knot. Southern States, Kans.,, 



Nev., Pacific coast. 

 Oidium sp., powdery mildew. Pa. 

 Phoma sp. (doubtfully parasitic), stem-blight. New England, N. Y., Pa.,, 



Mich. 

 P. tuberosa I. E. Melhus, J. Rosenbaum. and E. S. Schultz, storage rot, 



Me., Pa. 

 Phytophthora infestans (Mont.) D By., late-blight. East of Great Plains; 



Pacific coast. Most frequent in Northeast. 

 Pythium debaryanum Hesse, leak. Conn., N. Y., N. J., N. C, Miss., La., 



Minn., Nebr., Mont., Wyo., Colo., Idaho, Wash., Calif. 



58433— 26t 7 



