Graminicolous Species of Bipolaris, Curvularia, Drechslera, Exserohilum and Their Teleomorphs

Graminicolous Species of Bipolaris, Curvularia, Drechslera, Exserohilum and Their Teleomorphs by A. Sivanesan Download PDF EPUB FB2

Abstract Altogether graminicolous Bipolaris, Curvularia, Drechslera and Drechslera species, including their respective teleomorphs Cochliobolus, Pyrenophora and Setosphaeria, are comprise 52 species of Bipolaris, 33 species and 1 variety of Curvularia, 23 species of Drechslera, 20 species of Exserohilum, 33 species of Cochliobolus, 13 species of Pyrenophora and 8 species of.

Altogether graminicolous Bipolaris, Curvularia, Drechslera and Exserohilum species, including their respective teleomorphs Cochliobolus, Pyrenophora and Setosphaeria, are treated. They comprise 52 species of Bipolaris, 33 species and 1 variety of Curvularia, 23 species of Drechslera, 20 species of Exserohilum, 33 species of Cochliobolus, 13 species of Pyrenophora and 8 species of Cited by: Their affinity to closely related species in each genus is discussed to show the distinguishing morphological features.

Graminicolous species of the hyphomycete genera Bipolaris, Curvularia, Drechslera, Exserohilum and their teleomorphs were monographed by Sivanesan ().Cited by: 8.

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[A Sivanesan]. Sivanesan, A. Graminicolous species of Bipolaris, Curvularia, Drechslera, Exserohilum and their teleomorphs. Mycological Papers. Manamgoda DS, Cai L, McKenzie EHC ().

A phylogenetic and taxonomic re-evaluation of the Bipolaris – Cochliobolus – Curvularia complex. Fungal Diversity. – Sivanesan A (). Graminicolous species of Bipolaris, Curvularia, Drechslera, Exserohilum and their teleomorphs.

Mycological Papers– Introduction. The genus Bipolaris includes a number of significant plant pathogens with worldwide distribution. These species are commonly associated with leaf spots, leaf blights, melting outs, root rots, foot rots and other disease symptoms mainly in high value field crops in the family Poaceae, including rice, maize, wheat and sorghum and on various other host plants (Ellis,Sivanesan Cited by:   Three genera, Cochliobolus, Bipolaris and Curvularia form a complex that contains many plant pathogens, mostly on grasses (Poaceae) with a worldwide distribution.

The taxonomy of this complex is confusing as frequent nomenclatural changes and refinements have occurred. There is no clear morphological boundary between the asexual genera Bipolaris and Curvularia, and some Cited by:   Abstract. Dematiaceous fungi Cladosporium species, Bipolaris hawaiiensis, Schizophyllum commune, and members of Scedosporium apiospermum complex are common saprobes in soil, and pathogens of plants and infective propagules can be air transported.S.

apiospermum can be commonly found in polluted waters, and Fusarium species are hyaline hyphomycetes found in soil, air, and Author: A. Serda Kantarcioglu. Cochliobolus carbonum (anamorph: Helminthosporium carbonum) is one of more than 40 species of filamentous ascomycetes belonging to the genus Cochliobolus (anamorph: Bipolaris/Curvularia).This pathogen has a worldwide distribution, with reports from Australia, Brazil, Cambodia, Canada, China, Congo, Denmark, Egypt, India, Kenya, New Zealand, Nigeria, Solomon Islands, and the United : Pleosporaceae.

INTRODUCTION. Bipolaris is a large genus of dematiaceous hyphomycetes with more than species, most of them being saprobes in soil and pathogens of plants, while some of the saprobic species are potentially able to infect humans and animals ().They are anamorphs of the ascomycetous genera Cochliobolus and Pseudocochliobolus (family Pleosporaceae, order Pleosporales) ().Cited by: Drechslera, Bipolaris, and Exserohilum group.

Mitosporic fungi. Hyphomycetes. Teleomorphs (sexual state): Pyrenophora, Cochliobolus, Setosphaeria (Ascomycetes). Define graminicolous. graminicolous synonyms, graminicolous pronunciation, graminicolous translation, English dictionary definition of graminicolous.

adj living on grass Derechslera, Exserohilu and their teleomorphs. Occurrence of hemolytic fungi mounted on wheat grains in the main silo of Sakaka, Saudi Arabia. Graminicolous species of. Bipolaris and Drechslera Growth & Distribution. Bipolaris, Drechslera, Exserohilum, & Helminthosporium are dematiaceous fungi, producing spores which are elongate, cylindrical, often with numerous septations or cells.

These genera are grouped together due to spore similarity. These spores are common in both indoor and outdoor environments. The genera Drechslera, Bipolaris, Curvularia and Exserohilum are all closely related.

In the past, morphological differentiation of the genera relied upon a combination of characters including conidial shape, the presence or absence of a protruding hilum, the contour of the basal portion of the conidium and its hilum, the point at which the.

Both Curvularia and Bipolaris were polyphyletic, but only Bipolaris states were associated with Group 1 Cochliobolus species. Both Curvularia and Bipolaris states were associated with species in. Sivanesan A. – Graminicolous species of Bipolaris, Curvularia, Drechslera, Exserohilum and their teleomorphs.

Mycological Papers1– Tan YP, Crous PW, Shivas RG. – Eight novel Bipolaris species identified from John L. Alcorn’s collections at the Queensland Plant Pathology Herbarium (BRIP).

Mycological Progr Enhancement of sporulation in species of Bipolaris, Curvularia, Drechslera, and Exserohilum by growth on cellulose-containing substrates Article in Mycopathologia (2) August with.

Species of Bipolaris formed a well-supported clade (% bootstrap values), clearly separated from other graminicolous helminthosporioid genera, such as Exserohilum, Curvularia, and Drechslera. Similar to the ITS and GAPDH trees, six Bipolaris species in this study were clearly separated in this tree and clustered into six distinct clades with Author: Xiaofang Sun, Xiaobo Qi, Wei Wang, Xuan Liu, Henan Zhao, Cuiping Wu, Xiaoli Chang, Min Zhang, Huabao.

Introduction. The genus Bipolaris includes a number of significant plant pathogens with worldwide distribution. These species are commonly associated with leaf spots, leaf blights, melting outs, root rots, foot rots and other disease symptoms mainly in high value field crops in the family Poaceae, including rice, maize, wheat and sorghum and on various other host plants (EllisSivanesan Cited by: Members of the genus Curvularia are melanin-producing dematiaceous fungi of increasing clinical importance as causal agents of both local and invasive infections.

This study contributes to the taxonomical and clinical knowledge of this genus by describing two new Curvularia species based on isolates from corneal scrapings of South Indian fungal keratitis : Noémi Kiss, Mónika Homa, Palanisamy Manikandan, Arumugam Mythili, Krisztina Krizsán, Rajaraman Revat.In Agrostis tenuis [A.

capillaris], Festuca rubra, Lolium perenne and Poa pratensis, the incidence of Bipolaris, Curvularia, Drechslera and Exserohilum diseases was studied.

Diseases caused by Bipolaris and Exserohilum spp. caused irregular brownish green to black leaf lesions. Stem and leaf sheath lesions were purple to black purple, and extensive rot on stems, crowns and root was by: 4.