Apiospora marianiae Pintos & P. Alvarado, Mycokeys 92: 63-78. Apiosporaceae, Xylariales, Sordariomycetes DESCRIPTION FSexual form: branched, septate, brown to dark brown mycelium. Sporodochial conidiomata, sporodochial, punctate, scattered or confluent, black, (150-)169-203(-220) µm long × (70-)76-88(-100) µm wide. Conidiophore mother cells on stroma surface, lageniform to ellipsoidal or doliform, hyaline to brown, measuring (12-)13.4-14.2(-15) × (4-)6-7.2(-8) […]
Apiospora balearica
Apiospora balearica (Pintos & P. Alvarado) Pintos & P. Alvarado, Fungal Systematics and Evolution 7: 205 (2021) Apiosporaceae, Xylariales, Sordariomycetes Basionimo Arthrinium balearicum DESCRIPTION Sexual form: Stromata raised, fusiform, linear, black, confluent areas on host surface with linear openings showing ascomata, (500-)600-1500(-2000) µm × (200-)320-450(-500) µm. Ascomata globose to subglobose with flat base, blackish brown, […]
Arthrinium luzulae
Arthrinium luzulae M.B. Ellis, Mycol. Pap. 103: 18. 1965 0 0 Apiosporaceae, Xylariales, Sordariomycetes DESCRIPTION Asexual form: Point-like colonies, sometimes confluent and effusive, blackish-brown to black, 100-400 µm in diameter. The mycelium is both superficial and immersed in the substrate; the superficial part is composed of septate, smooth-walled, pale brown to olivaceous hyphae, 2-7 µm […]
Arthrinium minus
Arthrinium minus (M.B: Ellis) P.F. Cannon & Minter 2018 Apiosporaceae, Xylariales, Sordariomycetes Basionimo Arthrinium curvatum var. Minus DESCRIPTION Asexual form Colonies are compact, rounded, pointed, black, 80-320 µm in diameter Micelio hyaline to pale brown cells, hyphae 2-7 µm in diameter. Conidiophore stem cell are spherical to lageniform, hyaline with brown pigments and measure 4-)5-7(-8) […]
Arthrinium caricicola
Arthrinium caricicola Kunze & J.C. Schmidt, Mykologische Hefte (Leipzig) 1: 9 (1817) Apiosporaceae, Xylariales, Sordariomycetes DESCRIPTION Asexual form: Colonies on hosts punctate, pulvinate, 140-400 µm in diameter, blackish brown. Mycelium consisting of smooth, branched, hyaline hyphae, 2-5 µm in diameter. Conidiophore mother cell arising from a shallow or erumpent hyphal mat, subspherical to lageniform in […]
Arthrinium austriacum
Arthrinium austriacum Petr., Sydowia 1: 4. 1959 Apiosporaceae, Xylariales, Sordariomycetes DESCRIPTION Asexual form: Colonies on hosts punctiform, pulvinate to effuse, sometimes confluent, black 80-220 µm in diameter. Micelio consisting of submerged and superficial layers of hyaline to pale brown, branched and septate hyphae, 1.5-5 µm wide. Conidiophore stem cell spherical to ampuliform, attached to the […]
Apiospora esporlensis
Apiospora esporlensis (Pintos & P. Alvarado) Pintos & P. Alvarado, Fungal Systematics and Evolution 7 : 205 (2021) Hyde & P.F. Cannon Basionimo Arthrinium esporlense DESCRIPTION Sexual form: not seen. Asexual form: mycelium consisting of hyaline, septate, branched hyphae 1.5-4 µm in diameter. Conidiophores are reduced to conidiogenous cells. Polyblastic conidiogenous cells, aggregated in […]
Stem gummy canker
Stagonosporopsis cucurbitacearum Cucumis melo L. (Fr) Aveskkamp, Gruyter, Verkley & Crous, Stud Melón, Meló Didymellaceae, Pleosporales, Dothideomycetes Basionimo Sphaeria cucurbitacearum SYMPTOMS The disease is known as black stem rot or gummy canker, due to the mass of pseudothecia (sexually reproducing fruiting bodies) and pycnidia (asexually reproducing fruiting bodies) that develop in the lesions and […]
Leptosphaerulina trifolii
Leptosphaerulina trifolii Stenotaphrum secundatum (Rostr.) Petrak Grama, Gram Basionimo Sphaerulina trifolii SYMPTOMS The initial symptom of the disease is yellowing of the leaf tips, the affected area turns from yellow to brown and spreads into the leaf sheath. The blades become necrotic and wither, leading to the death of large areas of grass. Small […]
BLACK SPOT ON ROSE BUSHES
Diplocarpon rosae Rosa chinensis (Lib.) F.A. Wolf Rosal, Roser Drepanopezizaceae, Helotiales; Leotiomycetes Basionimo Asteroma rosae Lib. SINTOMAS D. rosae puede distinguirse de otras especies relacionadas por su especificidad en el huésped, el rosal al que está limitado. Black spot is a very important disease of roses. It starts on the surface of the leaves as […]