. Bulletin. Natural history; Natural history. September, 1955 Forsberg: Fusarium Disease of Gladiolus 457 ture range used wai 20-22 degrees C, the cular isolate 45-73 and basal dry rot iso- minimum temperature for growth of these late 50-23 showed traces of growth at 39 isolates was not determined. The range degrees C. None of the isolates grew at of temperatures for optimum growth of all 40 degrees C. After the test period, all six isolates was 26-28 degrees C. All iso- Petri dishes that had been incubated at 40 lates grew at 37 degrees C, but only vas- degrees were kept at room temperature f
. Bulletin. Natural history; Natural history. September, 1955 Forsberg: Fusarium Disease of Gladiolus 457 ture range used wai 20-22 degrees C, the cular isolate 45-73 and basal dry rot iso- minimum temperature for growth of these late 50-23 showed traces of growth at 39 isolates was not determined. The range degrees C. None of the isolates grew at of temperatures for optimum growth of all 40 degrees C. After the test period, all six isolates was 26-28 degrees C. All iso- Petri dishes that had been incubated at 40 lates grew at 37 degrees C, but only vas- degrees were kept at room temperature for tn 90 (T / \ uj 80 jT \ ^-Isolate 45-73 - 5 / \ _J / \ i'° - / ,'^\ \_lsolate 50-24 z / /»''' \^ \ ^ 60 — / / \ cc / / ^ \ UJ / / ^ ^^ 1- / / \ ^^ -50 - / / ^ ^ \ \ / Q / y \ >. 40 — / y A Z / y \\ o / \\ _l / y A O 30 — / / • » O / / y '" \ LlJ / • \ 'i 20 - /; / \\ CC / /^ \\ U) y \ \ < 10 - /• yy 0 j_ 1 1 1 1 1 /*^*xr4 0 5 10 15 20 25 30 35 40 TEMPERATURE, DEGREES CENTIGRADE Fig. 6.—Effect of temperature on the colony size of two vascular isolates of Fusarium grown 160 hours on Coons's agar. UJ 80 5 o O 30 « 20 < 10 \ ^Isolofe 50-22 IP \ Isolote 45-75. 0 5 10 15 20 25 30 35 40 TEMPERATURE, DEGREES CENTIGRADE Fig. 7.—Effect of temperature on the colony size of two brown rot isolates of Fusarium grown 160 hours on Coons's Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
