Interpretation of Comparative Growths of Fungal Colonies Growing on Different Solid Substrata

AGENCIES AFFECTING THE PRODUCTION OF SUBSTANCE B BY RHIZOPUS SUINUS

“…In addition to the two accepted methods of interpretation, viz., radial, and ring-area, the sectorarea method was employed. The advantages of this latter method have been given by WORLEY (9). The interpretation of the effect of filter paper, in the nutrient solution, on the production of substance B is dependeiit upon the test organism used.…”