University of California

Experiments with fungicides for use against Sclerotium Rolfsii in soils


A. E. Davey
L. D. Leach

Authors Affiliations

A. E. Davey was Instructor in Pomology and Junior Pomologist in the Experiment Station; L. D. Leach was Associate Professor of Plant Pathology and Associate Plant Pathologist in the Experiment Station.

Publication Information

Hilgardia 13(10):523-547. DOI:10.3733/hilg.v13n10p523. January 1941.

PDF of full article, Cite this article


Abstract does not appear. First page follows.


In the early phases of the investigation of measures for control of southern sclerotium rot of sugar beets, caused by Sclerotium Rolfsii Sacc., among other lines of attack much attention was given the possibility of destroying the fungus in the soil. It was thought at that time that the fungus might be eradicated by timely application of fungicides. Now that the wide distribution of the disease and the extent of infested tracts in the Sacramento Valley have been determined, workers have realized that such an attack must have limited value.

The sclerotia of this organism are, however, discrete bodies, uniform and convenient in size, furnishing admirable material for the study of the effectiveness of fungicides. It is thought that the following work may show the relative value of several such chemicals and may aid investigators working with less easily handled organisms.

Literature Cited

[1.] Bliss Donald E. Soil disinfection as a means of combating decline disease in date palms. Date Growers’ Inst. Ann. Rept. 1935. 12:13-16.

[2.] Ezekiel Walter N., Taubenhaus J. J. Comparing soil fungicides with special reference to Phymatotrichum root rot. Science. 1934. 79:595-96. DOI: 10.1126/science.79.2061.595 [CrossRef]

[3.] Godfrey G. H. The confinement of chloropicrin and other gases for fumigation purposes. Phytopathology. 1934. 24:1366-73.

[4.] Godfrey G. H. Control of soil fungi by soil fumigation with chloropicrin. Phytopathology. 1936. 26:246-56.

[5.] Higgins B. B. Physiology and parasitism of Sclerotium rolfsii Sacc. Phytopathology. 1927. 17:417-48.

[6.] Higgins B. B. Bed rot of sweet potatoes. Georgia Agr. Exp. Sta. Cir. 1927. 80:219-21.

[7.] Leach L. D., Davey A. E. Toxicity of low concentrations of ammonia to mycelium and sclerotia of Sclerotium rolfsii. Phytopathology. 1935. 25:957-59. DOI: 10.1086/404486 [CrossRef]

[8.] Leach L. D., Davey A. E. Determining the sclerotial population of Sclerotium rolfsii by soil analysis and predicting losses of sugar beets on the basis of these analyses. Jour. Agr. Res. 1935. 56:619-32.

[9.] Leach L. D., Mead S. W. Viability of sclerotia of Sclerotium rolfsii after passage through the digestive tract of cattle and sheep. Jour. Agr. Res. 1936. 53:519-26.

[10.] Nichols M. L. Methods of Research in soil dynamics as applied to implement design. Alabama Agr. Exp. Sta. Bul. 1929. 229:1-27.

[11.] Oserkowsky J. Fungicidal effect on Sclerotium rolfsii of some compounds in aqueous solution and in the gaseous state. Phytopathology. 1934. 24:815-19.

[12.] Pinckard J. A., Wolf F. A., McLean Ruth, Darkis F. R., Gross P. M. Laboratory studies on toxicity of benzol vapors to tobacco seedlings and to Peronospora tabacina. Phytopathology. 1939. 29:177-87.

[13.] Snedecor George W. Statistical methods 1937. p.341. Collegiate Press Inc., Ames, Iowa. DOI: 10.1097/00010694-195702000-00023 [CrossRef]

[14.] Weiss Freeman, Evinger E. S. The toxicity of naphthalene for fungi of the Sclerotium rolfsii type. [Abstract.]. Phytopathology. 1932. 22:30

[15.] Wellman F. L. Clubroot of crucifers. U. S. Dept. Agr. Tech. Bul. 1930. 181:1-31.

Davey A, Leach L. 1941. Experiments with fungicides for use against Sclerotium Rolfsii in soils. Hilgardia 13(10):523-547. DOI:10.3733/hilg.v13n10p523
Webmaster Email: sjosterman@ucanr.edu