Structure and mating system of the graminicolous fungal epibiont Echinodothis tuberiformis (Clavicipitales) |
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Authors: | James F White Jr |
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Institution: | Department of Biology, Auburn University at Montgomery, Montgomery, Alabama 361, 17 |
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Abstract: | The developmental morphology and mating system of the epibiont Echinodothis tuberiformis is investigated. The structure of conidial stromata, conidia, perithecial stromata, asci, and ascospores is documented. Crosses involving transfer of conidia between stromata resulted in formation of perithecia, indicating a heterothallic mating system. Comparisons are made to other members of the Clavicipitales that are presently classified in the tribe Balansieae. It is suggested that this epibiont bears a closer relationship to the grass endophytes classified in the genus Epichloë (Fr.) Tul. than to several other members of the Balansieae. |
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