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Seasonal patterns of root production of Japanese oak seedlings and dwarf bamboo grown in rhizoboxes

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Title: Seasonal patterns of root production of Japanese oak seedlings and dwarf bamboo grown in rhizoboxes
Authors: Fukuzawa, K. Browse this author →KAKEN DB
Dannoura, M. Browse this author
Kanemitsu, S. Browse this author
Kosugi, Y. Browse this author
Keywords: root production
leaf phenology
Japanese oak
understory vegetation
Issue Date: 4-Aug-2010
Journal Title: Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology
Volume: 144
Issue: 2
Start Page: 434
End Page: 439
Publisher DOI: 10.1080/11263501003725971
Abstract: We separately examined the temporal patterns of root production by Japanese oak (Quercus crispula) and dwarf bamboo (Sasa veitchii), which is a major understory species in cool temperate forests. We grew Japanese oak seedlings and Sasa stocks (i.e., the rhizome and connected culms) in organic‐free sand in rhizoboxes and then scanned roots that were visible through the sides of the rhizoboxes to measure the length of each root in images. Japanese oak root production peaked in July, but Sasa root production peaked in both July and October. Soil temperature was highly correlated with root production of Japanese oak, but less so with Sasa root. Leaves of Sasa expanded in late summer, and the photosynthetic rate of Sasa was highest in September, suggesting that the aboveground phenology influences the extensive root production of Sasa in October due to the supply of carbohydrate. These results demonstrate different temporal patterns of root production by Japanese oak seedlings and understory species (Sasa), even under similar environmental conditions.
Rights: This is an Author's Accepted Manuscript of an article published in Plant Biosystems Aug 2010 copyright Taylor & Francis, available online at:
Type: article (author version)
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 福澤 加里部

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