Journal of Japanese Society of Turfgrass Science
Online ISSN : 1884-4022
Print ISSN : 0285-8800
ISSN-L : 0285-8800
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Volume 36, Issue 1
Displaying 1-10 of 10 articles from this issue
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  • The subject for a future study of ground cover plants research and use
    Mitsuo Kondo
    2007 Volume 36 Issue 1 Pages 1-6
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.1
    JOURNAL FREE ACCESS
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  • Effects of gibberellin, benzyladenine, detergent and hydrogen peroxide on germination and early growth of Kentucky bluegrass
    Tomoko TAKABE, Takashi FUJIWARA, Tasuku HATTORI, Takayoshi KAWAI, Tets ...
    2007 Volume 36 Issue 1 Pages 7-11
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.7
    JOURNAL FREE ACCESS
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    Effects of gibberellin, benzyladenine, detergent and hydrogen peroxide on the seed germination and seedling growth of Kentucky bluegrass were examined under filter paper and soil conditions. As a result, the combination of gibberellin (1.5 mM), 6-benzyladenine (0.01 mM), KNO3 (1.0 mM), Silwet [0.005% (v/v) ] and hydrogen peroxide (1.0μM) was very useful for the increment of germination percent and seedling growth (2 weeks of sowing) of Kentcky bluegrass.
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  • Bentgrass dead spot caused by Ophiosphaerella agrostis in Japan
    Toshihiro HAYAKAWA, Masaki KOBAYASHI, Nobuhiro SASAKI, Shigeharu YAGUC ...
    2007 Volume 36 Issue 1 Pages 12-19
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.12
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    A new disease was found on creeping bentgrass (Agrostis stolonifera) putting greens on golf courses in Shizuoka and Chiba prefectures in Japan, from late spring through early autumn in 1999. Symptoms showed brown, reddish-brown and tan color spots ranging from 1 to 5 cm in diameter on putting greens. Diseased plants were wilted and dead without any lesions on leaf blade. Pale brown pigmented ectotrophic hyphae were consistently observed on leaf blade and sheath. A specific fungus was always isolated from leaf blade and sheath. Optimal growth temperature of the fungus on potato-sucrose agar was 25°C. Extremely high pathogenicity was found on creeping bentgrass. The pathogenicity of the fungus on perennial ryegrass (Lolium perenne) and hybrid bermudagrass (Cynodon dactylon×C.transvaalensis) was also high. Based on morphological characteristics of pseudothecia, asci and ascospores, the fungus was identified as Ophiosphaerella agrostis Dernoeden, Câmara, O'Neil, van Berkum & Palm. We concluded that the name of the new disease of creeping bentgrass caused by O. agrostis in Japan is regarded as‘Dead spot’ (dead spot-byo in Japanese) .
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  • A study of phytoaccumulation for Cd using Perennial ryegrass and Tall fescue
    Toshimitsu ASAI, Fumi SATO, Chizuko MIZUNIWA, Mitsuo KONDO
    2007 Volume 36 Issue 1 Pages 20-25
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.20
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    This study was aimed to evaluate Perennial ryegrass (Lolium perenne L.) and Tall fescue (Festuca arundinacea Schreb) as a phytoremediator removing cadmium (Cd) contamination. Both plants are planted into 1 ppm, 10 ppm, 100 ppm Cd hydroponics for 7 days during the first experiment. For the second experiment, they are planted into 1 ppm, 2.5 ppm, 5 ppm, 7.5 ppm, 10 ppm Cd hydroponics for 21 days. As a result, Cd absorption rate by these plants was highest in the 1 ppm Cd hydroponics. In this condition, Perennial ryegrass showed a higher Cd absorption rate than that of Tall fescue; however the Cd absorption amount by the former plant was higher than the latter and this tendency was remarkable in higher Cd concentrations. The growth inhibition of Perennial ryegrass and Tall fescue was severe in 10-100 ppm Cd hydroponics. On the other hand, these two plants grew well in 1 ppm Cd hydroponics. It proved that either of these plants have low Cd tolerance. However, in 1 ppm Cd hydroponics, growth inhibition was not recognized with these plants and the Cd absorption amount increased according to the duration. Therefore, this research reached a conclusion that these plants could be considered as an effective Cd phytoremediator in low Cd concentration, such as 1 ppm Cd hydroponics. It also clarified that the Cd tolerance of Tall fescue was superior to Perennial ryegrass.
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  • Soil physicochemical property in public lawn in Kyoto City
    Satoru TANAKA, Reiichi MIURA, Tohru TOMINAGA
    2007 Volume 36 Issue 1 Pages 26-33
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.26
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    In public parks in Kyoto City, 51 lawn sites were surveyed for the status of vegetation and soil physicochemical properties. The following 18 soil properties were determined: pH (H2O), electric conductivity, soluble potassium and nitrate (using electrodes) ; total carbon and nitrogen (using an elemental analyzer) ; available phosphate (Bray No.2) ; soluble inorganic ions (Cl-, NO3-, H2PO4-, SO42-, NH4+, Ca2+, Mg2+, K+ and Na+ by ion chromatography) ; active aluminum (allophane test) and field soil texture. Soil pH and total nitrogen were in adequate ranges that have been proposed for the substratum for general landscape planting. Available phosphate showed a great variation including many suboptimum and a few supraoptimum values according to the same criteria. Electric conductivity was determined by several ions including NO3- and Ca2+, as opposed to the case of agricultural soils where NO3- is usually by far the most important determinant. A principal component analysis generated the first principal component that accounted for 33% of the total variance and was interpretable as the general fertility resulting from soil texture. Other principal components had low contributions and were not clearly interpretable, probably reflecting a mosaic nature of soil material and human activity. Sites with >50% lawngrass coverage showed significantly lower concentrations of total carbon, total nitrogen as well as nitrate and significantly higher concentration of magnesium than sites with <50% lawngrass; the reason for which deserves further analysis.
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  • [title in Japanese]
    [in Japanese]
    2007 Volume 36 Issue 1 Pages 34-37
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.34
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  • Report of the Board Meeting of International Turfgrass Society (ITS)
    Shoichi Kimura
    2007 Volume 36 Issue 1 Pages 38-40
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.38
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  • [title in Japanese]
    [in Japanese]
    2007 Volume 36 Issue 1 Pages 41-44
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.41
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    2007 Volume 36 Issue 1 Pages 45-48
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.45
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    2007 Volume 36 Issue 1 Pages 49-50
    Published: October 31, 2007
    Released on J-STAGE: June 08, 2010
    DOIhttps://doi.org/10.11275/turfgrass1972.36.49
    JOURNAL FREE ACCESS
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