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Necessity of particular seed-borne fungi for seed germination and seedling growth of Xyris complanata, a pioneer monocot in top soil-lost tropical peatland in Central Kalimantan, Indonesia

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Title: Necessity of particular seed-borne fungi for seed germination and seedling growth of Xyris complanata, a pioneer monocot in top soil-lost tropical peatland in Central Kalimantan, Indonesia
Authors: Tamura, Ryosuke Browse this author
Hashidoko, Yasuyuki Browse this author
Ogita, Noriko Browse this author
Limin, Suwido H. Browse this author
Tahara, Satoshi Browse this author
Keywords: Xyris complanata
Seed germination
Tropical peat soil
Fusarium sp.
Penicillium sp.
Plant growth promoting fungi
Issue Date: May-2008
Publisher: Springer Japan
Journal Title: Ecological Research
Volume: 23
Issue: 3
Start Page: 573
End Page: 579
Publisher DOI: 10.1007/s11284-007-0411-y
Abstract: Hawaii yellow-eyed grass (Xyris complanata: Xyridaceae) inhabits infertile, acidic peat soil in the rainy tropical zone in Southeast Asia, and this monocot plant produces a large number of dormant seeds to make a large deposit to seed bank in the soil. Under laboratory conditions, surface-sterilized X. complanata seeds were rarely able to germinate on sterilized peat moss bed, while they required inoculation with either seed epiphytic or soil fungi to facilitate active seed germination. In the present study, three different genera of seed epiphytic fungi were isolated, and two common fungal genera, Fusarium sp. (strain R-1) and Penicillium sp. (strain Y-1), were found to promote the seed germination of this plant. In the sterile peat moss beds, the germination-stimulating fungi also showed growth-promoting effects on X. complanata seedlings growing. These results suggested that the seed germination-promoting fungi likely function as genuine partners for X. complanata in tropical, open peat lands.
Rights: The original publication is available at www.springerlink.com
Type: article (author version)
URI: http://hdl.handle.net/2115/35332
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 橋床 泰之

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