Search on : Taxa descriptions


Page number:83 
Description type:Non-original description 
Description:Helminthosporium solani Durieu et Montagne, 1849, Flore d'Algerie, Cryptogamie, p. 356. / in Matsushima (1975), p. 83-84.
Syn Brachysporium solani (Durieu & Montagne) Saccardo, 1886, Syll. Fung., 4: 428. Spondylocladium atrovirens (Harz) Harz ex Sacc., 1886, Syll. Fung., 4: 428. Helminthosporium atrovirens (Harz) Mason & Hughes in Hughes, 1953, Can. J. Bot., 31: 631.
Hab Solo culto; Taipei, Formosa; xii. 1972; MFC-4519.
Descr In CMA: Coloniae tarde crescentes, praecipue immersae, atrofuscae. Hyphae vegetativae subhyalinae vel atro-brunneae, 1.5-5 µm latae. Conidiophora erecta, solitaria, simplicia, septata, crassitunicata, rigida, (70-) 100-260 µm longa, prope basin 7.5-10 µm lata, prope apicem 4.5-6 µm lata, basi atrobrunnea sursum brunnea, in statu adulto usque ad 2/3 parte superiore fertilia, usque ad 30 conidia per poros minutos conidiophori formantia. Conidia obclavata, 5-7 pseudoseptata, (20-) 30-40 (-45) x 7.5-10 µm, luteo-brunnea.
Ref Smith, A. L., & C. Rea, 1908, Trans. Br. mycol. Soc., 3: 37. => Spondyladium atrovirens: Conidiophores 500 µm long; conidia obclavate, acute at the apex, 5-6-septate, 60 µm long. On potato, developed from the sclerotium of Phellomyces sclerotiophorus, Dublin. ** Sawada, K., 1919, Taiwan Agric. Exp. Sta., Special Bull., 19: 662. ** Hughes, S. J., 1953, Can. J. Bot., 31: 632 (577-659). ** Ellis, M. B., 1961, Mycol. Pap., 82. => p. 3-5. Helminthosporium solani. Conidiophores arising sometimes from cells of a small stroma but more often terminally and laterally on thickened parts of the mycelium, erect, simple, brown to very dark brown, paler near the apex, smooth or occasionally verruculose, septate, with small pores at the apex and laterally beneath the upper 1-8 septa, 120-600 µm long, 9-15 µm thick near the base, 6-9 µm thick at the apex. Conidia straight or curved, obclavate, smooth-walled, subhyaline to brown, 2-8 pseudoseptate, 24- 85 (39) µm long, 7-11 (9.4) µm thick in the broadest part, tapering to 2-5 µm at the apex, with a welldefined dark brown to black scar at the base. On Solanum dulcamara, S. nigrum, and S. tuberosum, etc., widely distribusted.
Taxon name: