Article

 

Fertilization of Epichloë typhina stromata by mycophagous slugs Público Deposited

Conteúdo disponível para baixar

Baixar PDF
https://ir.library.oregonstate.edu/concern/articles/b2773x46w

Descriptions

Attribute NameValues
Creator
Abstract
  • Epichloë typhina, a fungal endophyte of cool season grasses, is heterothallic and an obligate out-crosser. In areas of endemism, its spermatia are moved between stromata of the two opposite mating types through egg-laying activities of Botanophila flies. In western Oregon, where the fungus was inadvertently introduced into seed-production fields of Dactylis glomerata (= orchardgrass, cocksfoot), flies do not appear to be the sole vectors for E. typhina fertilization. Here we examined the role of the common agricultural slug pest Deroceras reticulatum and mycophagous slug species Prophysaon andersoni and Arion subfuscus in E. typhina spermatia transfer. Frass from P. andersoni, A. subfuscus and D. reticulatum fed stromata of one mating type was transferred to stromata of the opposite mating type, resulting in 100%, 93% and 25% stromata fertilization respectively. An experiment designed to mimic field conditions examined stromata fertilization on E. typhina-infected plants of opposite mating type in the presence of slugs. Treatments with P. andersoni and D. reticulatum had greater stromata fertilization compared to the no-slug control, but the slug treatments were not different. This appears to be the first report of mollusks vectoring viable spermatia leading to the cross fertilization of stromata of different mating types.
  • This is the publisher’s final pdf. The article is copyrighted by the the Mycological Society of America and published by Allen Press Inc. It can be found at: http://www.mycologia.org/.
  • Keywords: Mollusks, Choke disease, Clavicipitaceae, Dactylis glomerata, Fungal endophyte, Gastropoda
Resource Type
DOI
Date Available
Date Issued
Citation
  • Hoffman, G. D., & Rao, S. (2014). Fertilization of Epichloë typhina stromata by mycophagous slugs. Mycologia, 106(1), 1-7. doi:10.3852/13-069
Journal Title
Journal Volume
  • 106
Journal Issue/Number
  • 1
Declaração de direitos
Funding Statement (additional comments about funding)
  • This research was supported by the USDA/CSREES Grass Seed Cropping Systems for a Sustainable Agriculture, Oregon Seed Council and the Oregon Orchardgrass Seed Producers Commission.
Publisher
Peer Reviewed
Language
Replaces

Relações

Parents:

This work has no parents.

Itens