首页|Mass-flowering of Cultivated Moso Bamboo, Phyllostachys edulis (Poaceae) after More Than a Half-century of Vegetative Growth

Mass-flowering of Cultivated Moso Bamboo, Phyllostachys edulis (Poaceae) after More Than a Half-century of Vegetative Growth

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Bamboos are long-lived monocarpic species of Poaceae; few studies have assessed their entire lifespan from seedling to the reproductive phase. In July 2021,moso bamboo, Phyllostachys edulis (Carriere) J.Houz., cultivated from seedlings for more thanhalf century, mass-flowered at the Kamigamo Experimental Station at Kyoto University, Kyoto Pref. and the Fuji Bamboo Garden, Shizuoka Pref., Japan. We observed the rare phenomenon and estimated the age of these bamboo stands at the time of flowering tobe 66 and 67 years, respectively, based on historical records and interviews with staff at both facilities. From these and previous studies, we found that moso bamboo clones with a monocarpic life history have a lifespan of 66—69 years in Japan. However, mass-flowering has never been reported in naturally occurring moso bamboo forests across Japan over the approximately 300 years since its introduction from China. This suggests that life history traits, including reproductive characters might have somevariation in moso bamboo.

Bamboofloweringlifespanlong-term experimentmonocarpic reproductionPhyllostachys edulisPhyllostachys pubescensstone monument.

Keito Kobayashi、Norihide Nishiyama、Harutsugu Kashiwagi

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Kansai Research Center, Forestry and Forest Products Research Institute, Kyoto, 612-0855 JAPAN

Graduate School of Agricultural and Life Sciences, The University ofTokyo, Tokyo, 113-8657 JAPAN

Ecopale Co. Ltd., Shizuoka, 411-0932 JAPAN

2022

植物研究雑誌

植物研究雑誌

ISSN:0022-2062
年,卷(期):2022.97(3)