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Identifier: textbookofmycol00hars (find matches)
Title: A text-book of mycology and plant pathology
Year: 1917 (1910s)
Authors: Harshberger, John W. (John William), 1869-1929
Subjects: Plant diseases Fungi
Publisher: Philadelphia : P. Blakiston's Son & Co.
Contributing Library: University of British Columbia Library
Digitizing Sponsor: University of British Columbia Library

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sarium hataiatis and B.F. hyperoxysporum, X500. (After Harter, L. L., U. S. Farmers Bull. 714, March 11,1916.) same medium under conditions otherwise identic. )Vollenweber andAppeP have published a monograph of Fusarium and later Wollen-weber has studied the Fusarium problem and similar studies shouldbe made of each one of the form genera of the Fungi Imperfecti.The genus Fusarium is divisible into sections not only by physiologiccharacters (pathogenicity) but also by morphologic characters (coni-diospores, chlamydospores). The section, Elegans, comprises thevascular parasitic Fusaria, which are serious enemies of plants, causing 1 WoLLENWEBER, H. W.: Identification of Species of Fusarium occurring onthe Sweet Potato, Ipomoea halatis. Journal of Agricultural Research, II: 251-286July 15, 1914. 2 Appel, Otto, and Wollenweber, H. W. : Grundlage einer Monographder Gattung Fusarium Link Arb. Biol. Anst. f. Land. u. Forst., Bd. 8, Heft, i,pp. 1-207; Phytopathology III: 24-50. 2 68 MYCOLOGY
Text Appearing After Image:
Fig. 110.—Violet leaf spot (Fusarium violce). i, Germination of microconidio-spores; 2, formation of microconidiospores in hanging drop cultures; 3, germinationof macroconidia; 4, various forms of macroconidia. (After Mycologia, 2: 19-21, pl.xviii, January, lyio). FUNGI IMPERFECTI (dEUTEROMYCETES) 269 especially wilt diseases. Fusarium oxysporum and T. trichorthecoidescan produce both tuber rot and wilt of the potato plant. Fusariumviolm causes violet leaf spot (Fig. no). Fusarium hatatatis is respon-sible for sweet potato stem rot (Figs. 108 and 109). The sterile fungus Rhizodonia, represented in America by two para-sitic species Rhizodonia solani, which is found on at least 165 differenthosts, and R. crocorum with a limited distribution on alfalfa and potatotubers has through the discoveries of Rolfs and Burt been connectedwith a basidiomycetous fungus, Corticium vagum var. solani.^ 1 Peltier, George L.: Parasitic Rhizoctonias in America. Bull, 189, Agri.Exper. Stat. University of

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Autor Harshberger, John W. (John William), 1869-1929
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Flickr tags
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  • bookid:textbookofmycol00hars
  • bookyear:1917
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Harshberger__John_W___John_William___1869_1929
  • booksubject:Plant_diseases
  • booksubject:Fungi
  • bookpublisher:Philadelphia___P__Blakiston_s_Son___Co_
  • bookcontributor:University_of_British_Columbia_Library
  • booksponsor:University_of_British_Columbia_Library
  • bookleafnumber:285
  • bookcollection:ubclibrary
  • bookcollection:toronto
  • BHL Collection
Flickr posted date
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28 lipca 2014



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