LIST OF DISEASES OF ECONOMIC PLANTS 3 5 



CICHORIUM. 



C. endivia, endive. 



Corticium vagum Berk, and Curt., damping-off. Conn. 



Pythium debaryanum Hesse, root-rot. Conn. 



Scleroiinia sclerotiorum (Lib.) Mass., watery soft-rot. La. 

 C. intybus, chicory. 



Puccinia hieracii (Schum.) Mart., rust. Vt., N. Y., Wis., Wash., Oreg. 

 CINNAMOMUM. 



C. camphor a, camphor-tree. 



Diplodia sp., canker. Tex. 



Gloeosporium camphorae Sacc, leaf-spot. Fia., Ala., Miss., Tex. 



Glomerella cingulata (Ston.) Spauld. and Schrenk, anthracnose. Ga.. Fla. 



Tylenchus penetrans Cobb, nematode. Fla. 



CITRULLUS. 



C. vulgaris, watermelon. 



Bacillus tracheiphilus EFS. (Erwinia tracheiphila (EFS.) Com. S. A. B.), 



bacterial wilt. General. 

 Cercospora citrullina Cke., leaf-spot. Ind. to Tex. and eastward. 

 Colletotrichum lagenarium (Pass.) Ell. and Hals., anthracnose. General 



east of Rocky Mts.; also in Calif. 

 Corticium vagum Berk, and Curt., fruit-rot. La., Wash., Oreg. 

 Diplodia sp., Diplodia rot. Southern States. 

 Erysiphe cichoracearum DC, powdery mildew. Va. 

 Fusarium sp., Fusarium rot. Va., Kans. 

 F. niveum EFS., wilt. Southern two-thirds of United States. 

 Heterodera radicicola (Greef) Muell., root-knot. S. C, Ala.. Tex., Calif. 

 Macrosporium cucumerinum Ell. and Ev., leaf-blight. Occurs scatteringly, 



mostly east of Rocky Mts. 

 ■M. sarcinula parasiticum Thuem., leaf-spot. Kans. 

 Mycosphaerella citrullina (C. O. Smith) Gross., gummy stem-blight. N. Y. t 



Va., S. C, Term., Fla., La., Mo. 

 Pseudoperonospora cubensis (Berk, and Curt.) Rostew., downy mildew. 



Atlantic Coast and Gulf States; W. Va., Ohio, Mich., Ark., Calif. 

 Pythium sp., blossom-end rot. Va. 

 P. aphanidermatum (Edson) Fitz., rot. 

 P. debaryanum Hesse, rot. Va., Mich. 



Sclerotinia sclerotiorum (Lib.) Mass., watery soft-rot. N. J. 

 Sclerotium rolfsii Sacc, stem-rot. Southern States. 

 Septoria citrulli Ell. and Ev., leaf -spot. N. Y. 



Thielavia basicola (Berk, and Br.) Zopf, black root-rot. Utah, Oreg. 

 Mosaic, undet. Del., Md., Mich. 



CITRUS, 



Citrus spp., citrus. 



Tylenchus semipeneirans Cobb, nematode. Fla., Calif. 

 C. aurantifolia, lime. 



Bacterium citri (Hasse) Jehle (Phytomonas citri (Hasse) Com. S. A. B.), 



citrus canker. Fla. 

 Colletotrichum gloeosporioides Penz. {Glomerella cingulata (Ston.) Spauld. and 



Schrenk), associated with citrus wither-tip. Fla. 

 Gloeosporium limetticolum R. F. Clausen, lime wither-tip. Fla. 

 Phytophthora terrestris Sherb., foot-rot. Fla. 

 Sphaeropsis tumefaciens Hedges, knot. Fla. 



Sporotrichum citri Butl. (Sphaceloma fawcettii A. Jenkins), scab. Fla. 

 C. aurantium, sour, or Seville, orange. 



Armillaria mellea (Vahl) Quel., root-rot. Calif. 



Bacterium citrarefaciens H. A. Lee (Phytomonas citrarefaciens (Lee) Com. 



S. A. B.), citrus blast. Calif. 

 B. citri (Hasse) Jehle {Phytomonas citri (Hasse) Com. S. A. B.), citrus 



canker. Fla., Miss. 

 Colletotrichum gloeosporioides Penz. (Glomerella cingulata (Ston.)_ Spauld, 



and Schrenk), associated with citrus wither-tip. Fla., Tex., Calif. 

 Gloeosporium intermedium Sacc, anthracnose. Fla. 



