Journal of Japanese Society of Turfgrass Science
Online ISSN : 1884-4022
Print ISSN : 0285-8800
ISSN-L : 0285-8800
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Volume 50, Issue 1
Displaying 1-12 of 12 articles from this issue
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Original Paper
  • Physiological Integration of Nutrients in Interconnected Zoysia matrella Ramets Grown under Heterogeneous Nutrient Conditions
    Souichirou Sugiura, Shimpei Takahashi
    2021 Volume 50 Issue 1 Pages 1-8
    Published: October 31, 2021
    Released on J-STAGE: October 31, 2022
    DOIhttps://doi.org/10.11275/turfgrass.50.1_1
    JOURNAL OPEN ACCESS
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    To better understand physiological integration of nutrients in interconnected ramets of Zoysia matrella (L.) Merr., the clonal stolon ramets were grown in three separate pots: basal (BR), intermediate (IR), and apical ramets (AR). Additionally, a stolon from the IR was grown without touching the soil (SNTS). Once ramets were well established, two experimental groups were set up, where stolons were kept connected to the other ramets (Intact), or were cut (Severed). Liquid fertilizer was applied to IR, and tap water to BR and AR, intermittently over a period of 49 days. In the results, the dry weights (DWs) of leaves and roots in Intact AR were significantly higher, 2.1 and 1.8 times, respectively, than those in Severed AR. Furthermore, SNTS DW of intact stolons was significantly higher (2.2 times) than that of severed ones. However, BR leaves, stolons, and roots DWs were not significantly different between those of severed and intact plants. We conclude that fertilization on interconnected Z. matrella ramets effectively increases the biomass (dry weight) of both the apical portions of ramets and newly developed stolons. This phenomenon is an important strategy to enhance the low-nutrient tolerance.

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