. Bulletin. Natural history; Natural history. June 1041 CARTER: OAK DISEASES IN ILLINOIS 203 wlu'ii the spores are suspended in sterile, distilled water on a microscope slide and when the slide is maintained in a moist atmosphere. Single-spore colonies on corn meal agar produce an average diameter growth of 46 mm. in 8 days, or an average Do/hiorellfi was isolated from ti\e dis- eased oak specimens affected with twig blight. Two of the five isolations were ob- tained from black oak: one from discolored li\ing wood of a twig and one from a blighted petiole. Three were obtained. Fig. .A stro
. Bulletin. Natural history; Natural history. June 1041 CARTER: OAK DISEASES IN ILLINOIS 203 wlu'ii the spores are suspended in sterile, distilled water on a microscope slide and when the slide is maintained in a moist atmosphere. Single-spore colonies on corn meal agar produce an average diameter growth of 46 mm. in 8 days, or an average Do/hiorellfi was isolated from ti\e dis- eased oak specimens affected with twig blight. Two of the five isolations were ob- tained from black oak: one from discolored li\ing wood of a twig and one from a blighted petiole. Three were obtained. Fig. .A stroma of Dolhiorella. The black stromatic tissue and pycnidial cavities that contain spores are shown in vertical section. X ,S0. J. 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
