The role of endophytic fungi in the survival and establishment of fourwing saltbush (<i>Atriplex canescens</i> [Pursh] Nutt.) in an arid environment

TitleThe role of endophytic fungi in the survival and establishment of fourwing saltbush (Atriplex canescens [Pursh] Nutt.) in an arid environment
Publication TypeConference Proceedings
Year of Publication1999
AuthorsBarrow J.R., Feder I., H. Monger C
Conference NameProceedings of the Wildland Shrub Symposium
Pagination1-4
Date Published1999
PublisherUSDA Forest Service, Rocky Mountain Research Station, Proceedings RMRS-P-11
Conference LocationOgden, UT
ARIS Log Number098703
Abstract

A seedborne septate fungus (Aspergillus sp.) formed intimate nondestructive interfaces with seedling radicles of germinating fourwing saltbush (Atriplex canescens [Pursh] Nutt.) seedlings. When seedlings were separated from insoluble phosphorus sources with a screen that excluded roots but allowed passage of extraradicle hyphae, which accessed plant insoluble phosphate and transported it through the barrier to the plant. The fungi enhanced phosphorus uptake, biomass production of the host plants and aggregated sand similar to functions attributed to mycorrhizal fungi. The importance of symbiotic fungi in the remediation and stabilization of arid ecosystems is discussed.

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