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PDF - Journal of Threatened Taxa

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Foliicolous fungi <strong>of</strong> Silent ValleyHosagoudar & Rijuaa10µmdbbc7.5µmFigure 71. Asterina aporusaea - Appressoriate mycelium; b - Thyriothecium; c - Ascus;d - Ascospores10µmfusiform, predominantly 3-septate, constricted at thesepta, 46–56x16–20 µm.Material examined: 13.xii.2003 on leaves <strong>of</strong> Turpiniamalabarica Gamble (Staphyleaceae), Sairandhri, V.B.Hosagoudar et al. HCIO 45639, 45770, TBGT 1384,1519.Colonies were hyperparasitised by Isthmospora sp.AsterinalesThese fungi characterized by the presence <strong>of</strong> externalmycelium; orbicular thyriothecium stellately dehisced atthe centre, elongated or X or Y-shaped thyriotheciumwith central sutures, asci globose to oval.Type family: AsterinaceaeDescription <strong>of</strong> speciesThe genus AsterinaAsterina acronychiae Hosag. & Goos, Mycotaxon 59:150, 1996; Hosag., H. Biju & Appaiah, J. Mycopathol. Res.44: 5, 2006; Hosag., Chandra. & Agarwal, Asterinales <strong>of</strong>Kerala, p. 32, 2011 (Fig. 70).Colonies epiphyllous, dense, crustose, up to 3 mmin diameter, confluent. Hyphae straight to substraight,cFigure 72. Asterina atalantiaea - Appressoriate mycelium; b - Thyriothecium; c - Ascus;d - Ascosporesdbranching opposite at acute angles, loosely reticulate,cells 13–21x 3–7 μm. Appressoria mostly opposite,rarely solitary, unicellular, ovate, oblong, entire, angularto slightly lobate, 6–9x5–8 μm. Thyriothecia scattered,orbicular, up to 132μm in diameter; margin fringed,stellately dehisced at the centre; asci numerous, globose,octosporous, 35–42 μm in diameter ; ascospores brown,conglobate, uniseptate, deeply constricted at theseptum, 20–24x9––12 μm, wall minutely echinulate.Material examined: 6.viii.2008 on leaves <strong>of</strong> Acronychiapedunculata (L.) Miq. (Rutaceae), Walakkad, M.C. Riju &Jacob Thomas TBGT 5547; Sairandhri, 16.ii.2007, Girishet al. TBGT 5633, 5635; on leaves <strong>of</strong> Acronychia sp.,01.iii.2009, M.C. Riju & Jacob Thomas TBGT 4516.Asterina aporusae Hansf., Reinwardtia 3: 129, 1954;Hosagoudar & Agarwal, Indian Phytopath. 56: 98, 2003;Hosag. & Appaiah, J. Mycopathol. Res. 43:168, 2005;Hosagoudar, Chandraprabha & Agarwal, Asterinales <strong>of</strong>Kerala, p. 37, 2011 (Fig. 71).Colonies amphigenous, minute, thin, up to 2mm<strong>Journal</strong> <strong>of</strong> <strong>Threatened</strong> <strong>Taxa</strong> | www.threatenedtaxa.org | 05 March 2013 | 5(3): 3701–37883743

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