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Vesicular- Arbuscular Mycorrhizae of Some Hawaiian Dune Plants

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Title: Vesicular- Arbuscular Mycorrhizae of Some Hawaiian Dune Plants
Authors: Koske, R.E.
Issue Date: 1988
Publisher: University of Hawaii Press
Citation: Koske RE. 1988. Vesicular- arbuscular mycorrhizae of some Hawaiian dune plants. Pac Sci (3-4): 217-229. Pac Sci 42(3-4): 217-229.
Abstract: The mycorrhizal status of dune plants from the island of Hawaii
was investigated. All plants, including Batis maritima, Cocos nucifer, Ipomoea
brasiliensis, Pennisetum setaceum , Prosopis pallida, Scaevola taccada, and Sporobolus
sp., had vesicular - urbuscular mycorrhizae (VAM). Levels of colonization
by VAM fungi ranged from less than 10% to 100% of the root length and were
highest in Ipomoea , Pennisetum, and Sporobolus. Twelve species of VAM fungi
were recovered, half of which are undescribed. The most frequently recovered
species were Sclerocystis sinuosa, Glomus microaggregatum, an undescribed
Glomus sp., and an undescribed Scutellospora (Gigaspora) sp. The composition
of the VAM fungal communities of the black sand dunes differed from those of
the quartz and carbonate dunes. The community of Hawaiian dune mycorrhizal
fungi was very distinct from dune communities of Australia, San Miguel Island
(California), the Atlantic Coast of the United States, Scotland, and Italy. The
presence or absence of VAM fungi in dunes may have been of critical importance
to the successful colonization of the Hawaiian Islands by some vascular plants,
and these fungi may thus have influenced the subsequent development of the
native flora.
ISSN: 0030-8870
Appears in Collections:Pacific Science Volume 42, Numbers 3-4, 1988

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