{"title":"Ballistospores in Melanotaenium endogenum","authors":"C.T. Ingold","doi":"10.1016/S0007-1536(88)80054-8","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80054-8","url":null,"abstract":"<div><p>The germination of teliospores in <em>Melanotaenium endogenum</em> is illustrated. A metabasidium is formed having an apical cluster of finger-like lobes. Ballistospores may arise either directly from these or, more usually, on branched hyphae derived from them. Ballistospores shot on to 0.2% MA give rise to colourless mycelial colonies producing abundant ballistospores. The structure of the basidium is discussed in relation to that of other genera of Tilletiaceae.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"91 4","pages":"Pages 712-714"},"PeriodicalIF":0.0,"publicationDate":"1988-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80054-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91773544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Observations on in vitro sporulation of Glomus clarum","authors":"Isabelle Louis, G. Lim","doi":"10.1016/S0007-1536(88)80048-2","DOIUrl":"10.1016/S0007-1536(88)80048-2","url":null,"abstract":"<div><p>Following incubation at 25 °C for more than 45 days, sporulation of <em>Glomus clarum</em> was observed on water agar with either 20 p.p.m. or no added phosphate. Spores were borne on one or two subtending hyphae.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"91 4","pages":"Pages 698-699"},"PeriodicalIF":0.0,"publicationDate":"1988-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80048-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74304243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Omega coenobiticum gen. et sp. nov., a new cupulate coelomycete on Quercus from Greece","authors":"B.C. Sutton, D.W. Minter","doi":"10.1016/S0007-1536(88)80055-X","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80055-X","url":null,"abstract":"<div><p><em>Omega coenobiticum</em> gen. et sp. nov., a cupulate coelomycete collected on leaves of <em>Quercus ilex</em> from the Holy Mountain peninsula of Northern Greece, is described, illustrated and discussed.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"91 4","pages":"Pages 715-717"},"PeriodicalIF":0.0,"publicationDate":"1988-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80055-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90021882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An instrument and procedure for single-spore isolation","authors":"O. Constantinescu","doi":"10.1016/S0007-1536(88)80049-4","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80049-4","url":null,"abstract":"","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"21 1","pages":"700-702"},"PeriodicalIF":0.0,"publicationDate":"1988-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90234004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Calocera viscosa var. cavarae, a white variant of the species new to Britain","authors":"D. A. Reid","doi":"10.1016/S0007-1536(88)80051-2","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80051-2","url":null,"abstract":"","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"74 1","pages":"705-707"},"PeriodicalIF":0.0,"publicationDate":"1988-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80647923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Heterothallism in Peronospora farinosa f.sp. spinaciae","authors":"M.A.J. Van Asch , H.D. Frinking","doi":"10.1016/S0007-1536(88)80046-9","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80046-9","url":null,"abstract":"<div><p><em>Peronospora farinosa</em> f. sp. <em>spinaciae</em>, causing mildew of spinach, is heterothallic with two mating types.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"91 4","pages":"Pages 692-693"},"PeriodicalIF":0.0,"publicationDate":"1988-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80046-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91773537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Olufisayo A. Jejelowo, H.A.S. Epton, Anthony P.J. Trinci
{"title":"Effects of paramorphogens and 2-deoxy-d-glucose on development of lesions of Botrytis fabae on Vicia faba","authors":"Olufisayo A. Jejelowo, H.A.S. Epton, Anthony P.J. Trinci","doi":"10.1016/S0007-1536(88)80042-1","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80042-1","url":null,"abstract":"<div><p>An assessment was made of the efficacy of paramorphogens (3-<em>O</em>-methyl-<span>d</span>-glucose, glucosamine and <span>l</span>-sorbose) and 2-deoxy-<span>d</span>-glucose as antifungal agents to control chocolate spot disease of broad bean (Vicia faba) caused by Botrytis fabae. At the concentrations tested, 3-<em>O</em>-methyl-<span>d</span>-glucose, glucosamine and <span>l</span>-sorbose showed no fungistatic or fungicidal activity in vitro, but 5 mM 2-deoxy-<span>d</span>-glucose was fungistatic. The rates of conidial germination and germ-tube growth of <em>B. fabae</em> were reduced in vitro and in vivo by 3-<em>O</em>-methyl-<span>d</span>-glucose, glucosamine and 2-deoxy-<span>d</span>-glucose, but not by <span>l</span>-sorbose. The presence of glucose or <span>l</span>-sorbose increased the development of lesions of <em>B. fabae</em> on detached leaves of <em>V. faba</em>, but 0.1 mM 2-deoxy-<span>d</span>-glucose, 1 mM glucosamine and 40 mM 3-<em>O</em>-methyl-<span>d</span>-glucose prevented or reduced lesion development. In the absence of antifungal agents, penetration pegs of <em>B. fabae</em> were formed directly from germ-tube apices or from appressorium-like swellings. However, appressorium-like swellings were not observed on the surface of leaves treated with 3-<em>O</em>-methyl-<span>d</span>-glucose, glucosamine or 2-deoxy-<span>d</span>-glucose. The paramorphogens did not elicit phytoalexin (wyerone and wyerone acid) production, but phytoalexins were elicited by 10 mM 2-deoxy-<span>d</span>-glucose.The antifungal activity of wyerone acid was increased in the presence of 3-<em>O</em>-methyl-<span>d</span>-glucose, glucosamine and 2-deoxy-<span>d</span>-glucose.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"91 4","pages":"Pages 661-669"},"PeriodicalIF":0.0,"publicationDate":"1988-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80042-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90129531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Taxonomy of a fungus introduced into Hawaii for biological control of Ageratina riparia (Eupatorieae; Compositae), with observations on related weed pathogens","authors":"Robert W. Barreto , Harry C. Evans","doi":"10.1016/S0007-1536(88)80009-3","DOIUrl":"10.1016/S0007-1536(88)80009-3","url":null,"abstract":"<div><p>Evidence is presented to show that the fungus, originally described as a species of <em>Cercosporella</em> (Hyphomycetes), introduced into Hawaii to control the composite weed <em>Ageratina riparia</em>, belongs to the white smuts (Ustilaginales). It is formally described as <em>Entyloma ageratinae</em> sp. nov. In addition to two external spore types (sporidia), which occur in prominent hypophyllous caespituli, hyaline, thin-walled, non-resting ustilospores are formed within non-necrotic leaf tissue. A further spore type, the spermatium, is abundantly produced from well-defined spermogonia. The significance of these previously unreported structures in the smut life-cycle is discussed.</p><p><em>Entyloma ageratinae</em> was found to be present in the purported centre of origin of its weed host, the Jalapa (Vera Cruz) region of Mexico. Further collections of white smuts on other composite weeds (<em>Parthenium hysterophorus, Melampodium divaricatum</em>) in this locality are assigned to <em>E. compositarum</em> and compared with <em>E. ageratinae</em>. The additional discovery of <em>Kordyana cubensis</em> (Exobasidiales) on <em>Commelina diffusa</em> with a similar spermogonial state is reported and discussed in relation to the evolution of the Ustilaginales and Exobasidiales.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"91 1","pages":"Pages 81-97"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80009-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90242082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Piloporia indica sp. nov. from India","authors":"P.N. Ganesh, K.M. Leelavathy, L. Ryvarden","doi":"10.1016/S0007-1536(88)80021-4","DOIUrl":"10.1016/S0007-1536(88)80021-4","url":null,"abstract":"<div><p><em>Piloporia indica</em> sp. nov. is described from India. The species is separated from <em>P. safanensis</em>, the type species of <em>Piloporia</em>, by the more or less homogeneous orange context and larger pores.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"91 1","pages":"Pages 169-171"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80021-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88746321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fungal growth and stimulation by thiosulphate under oligocarbotrophic conditions","authors":"M. Wainwright, Susan J. Grayston","doi":"10.1016/S0007-1536(88)80016-0","DOIUrl":"10.1016/S0007-1536(88)80016-0","url":null,"abstract":"<div><p>A range of fungi grew in a liquid medium lacking added carbon, apparently by scavenging carbon from the medium and laboratory atmosphere. <em>Trichoderma harzianum</em> also grew on a carbon-free medium which was solidified by adding a pluronic polyol. This fungus formed mycelial ‘gossamers’ in a low-carbon medium (50 μg C ml<sup>−1</sup>), i.e. fine sheets of hyphae showing numerous anastomoses. It also oxidized elemental sulphur in a synthetic soil amended with low concentrations of glucose (10–100 μg C g<sup>−1</sup>). Thiosulphate stimulated the biomass yield of the fungus in carbon-free liquid media and increased colony radial growth over the first 24 h when grown on an agar medium containing small amounts of carbon. The relevance of oligocarbotrophy and possible chemolithoheterotrophic growth by fungi on thiosulphate to their ability to grow in carbon deficient soils is discussed.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"91 1","pages":"Pages 149-156"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80016-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89585841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}