. Journal of agricultural research . ^S ^O JS ^? Pig. 6.—Graph showing the rate of growth of Fusarium trichothecioides on potato agar at diSerent tem-peratures. Feb. i6,1920 Temperature Relations of Potato-Rot Fungi 519 The initial growth after the first 24 hours was noted always either atthe optimum point alone or at the optimum point and at one or two lower DIAMETER OP COLONIES IN 0 J 75 AS- ^o ^s jb js fo^c. Fig. v.—Graph showing the rate of growth of VerliciUium albo-atrum No. 426 on potato agar at difierent temperatures. or higher grades of temperature, but never exclusively
. Journal of agricultural research . ^S ^O JS ^? Pig. 6.—Graph showing the rate of growth of Fusarium trichothecioides on potato agar at diSerent tem-peratures. Feb. i6,1920 Temperature Relations of Potato-Rot Fungi 519 The initial growth after the first 24 hours was noted always either atthe optimum point alone or at the optimum point and at one or two lower DIAMETER OP COLONIES IN 0 J 75 AS- ^o ^s jb js fo^c. Fig. v.—Graph showing the rate of growth of VerliciUium albo-atrum No. 426 on potato agar at difierent temperatures. or higher grades of temperature, but never exclusively at any point otherthat the optimum temperature (fig. i-8). Comparing the foregoing results of the temperature studies with thegeographical distribution of the fungi, we find that the parasites prevailing DIAMETER Ot COLONIES IN MILLIMETERS.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1913
