. Journal of Agricultural Research. icity of corticium vagum on the potato as affected bySOIL TEMPERATURE. In Jour. Agr. Research, v. 21, p. 459-482, pi. 88-93. Literature cited, p. 481-482. (14) • 1923. FURTHER STUDIES ON THE PATHOGENICITY OF CORTICIUM VAGUM ON THE POTATO AS AFFECTED BY SOIL TEMPERATURE. In Jour. Agr. Research,V. 23, p. 761-770, I fig., I pi. (15) Rolfs, F. M. 1902. POTATO FAILURES. A PRELIMINARY REPORT. Colo. Agr. Exp. Sta. , 20 p., 12 pi. (16) Shapovalov, Michael. 1919. SOME POTENTIAL PARASITES OF THE POTATO TUBER. In Phytopathology, V. 9, p. 36-42, 2 fig., p. 2-3. PL
. Journal of Agricultural Research. icity of corticium vagum on the potato as affected bySOIL TEMPERATURE. In Jour. Agr. Research, v. 21, p. 459-482, pi. 88-93. Literature cited, p. 481-482. (14) • 1923. FURTHER STUDIES ON THE PATHOGENICITY OF CORTICIUM VAGUM ON THE POTATO AS AFFECTED BY SOIL TEMPERATURE. In Jour. Agr. Research,V. 23, p. 761-770, I fig., I pi. (15) Rolfs, F. M. 1902. POTATO FAILURES. A PRELIMINARY REPORT. Colo. Agr. Exp. Sta. , 20 p., 12 pi. (16) Shapovalov, Michael. 1919. SOME POTENTIAL PARASITES OF THE POTATO TUBER. In Phytopathology, V. 9, p. 36-42, 2 fig., p. 2-3. PLATE I A.—Peas grown in uninoculated soil at the various temperatures of 28°, °, 24°,°, 18°, °, 12°, and 9° C. Twenty seeds were planted in each pot. Plantsremained free from lesions. B.—Peas which survived in steam-sterilized soil inoculated with Corticium vagumand held at the various temperatures as designated in A. Considerable damageoccurred at ° C. (450) Corticium vagum on the Pea and Bean Plate I.
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