Acta Agrestia Sinica

Acta Agrestia Sinica ›› 2020, Vol. 28 ›› Issue (3): 743-749.DOI: 10.11733/j.issn.1007-0435.2020.03.019

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Effects of Primo on Shade Tolerance of Fairway Turfgrass Zoysia japonica on Golf Course

LUO Jian-zhang1, LI Shuang-ming1,2, XIANG Zuo-xiang2, HU Long-xing2   

  1. 1. Hunan International Economics University, Changsha, Hunan Province 410205, China;
    2. Department of Pratacultural Sciences, College of Agriculture, Hunan Agricultural University, Changsha, Hunan Province 410128, China
  • Received:2020-02-06 Revised:2020-02-25 Online:2020-06-15 Published:2020-05-30

浦绿对高尔夫球道结缕草草坪耐荫性的影响

罗建章1, 李双铭1,2, 向佐湘2, 胡龙兴2   

  1. 1. 湖南涉外经济学院, 湖南 长沙 410205;
    2. 湖南农业大学农学院草业科学系, 湖南 长沙 410128
  • 通讯作者: 向佐湘
  • 作者简介:罗建章(1974-),男,湖南娄底人,副教授,主要从事休闲体育产业研究,E-mail:591175513@qq.com;
  • 基金资助:
    湖南省教育厅科研重点项目（17A122和19A287）；湖南省高校教改项目（979）共同资助

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Abstract: Primo as a plant growth regulator not only inhibits gibberellin acid biosynthesis to reduce vertical shoot growth,but also improves stress tolerance for plants. In order to investigate the effects of primo on the shade tolerance of fairway turf in golf course,the fairway turfgrass established with Zosia japonica ‘Lanyin No. 3’ in Longhu Golf Course of Hunan province,was treated with primo (0.1 mL·m-2) and subsequently exposed to four shading percentage treatments:control,natural light;light shading,25%±3%;moderate shading,50%±3%;severe shading,75%±3%. The effects of primo on turf canopy height,leaf length and width,stem diameter,turf coverage,turf quality,turf green index,leaf soluble protein content,soluble sugar content and gibberellin acid content were determined under shade stress. The results showed that turf coverage,stem diameter,turf quality,turf green index,soluble protein content and soluble sugar content gradually decreased with the shading rate increasing,while turf canopy height,leaf length,proline and gibberellic acid content gradually increased along with the increasing in shading percentage. Primo application significantly reduced canopy height,leaf length and gibberellic acid content,and significantly enhanced turf coverage,turf quality and turf green index. The results suggested that primo application could effectively improve turf shade tolerance and increase the fairway turf quality on the golf course.

Key words: Primo, Golf course fairway, Shade tolerance, Turf quality, Zosia japonica ‘Lanyin No. 3’

摘要： 浦绿是一种环己酸类植物生长调节剂，不仅可以通过抑制赤霉素的生物合成而延缓植物的生长，还可提高植物的抗逆性。为探讨浦绿对高尔夫球道结缕草（Zosia japonica）草坪耐荫性的影响，本试验以湖南龙湖高尔夫俱乐部球场5号洞球道的‘兰引3号’结缕草（Z.japonica ‘Lanyin No.3’）草坪为试验材料，研究了浦绿（0.1 mL·m-2）对人工摸拟不同遮荫率条件下（全光照：自然光；轻度：遮荫率25%±3%；中度：遮荫率50%±3%；重度：遮荫率75%±3%）球道草坪冠层高度、叶长和茎粗以及草坪盖度、草坪质量、绿色指数、可溶性蛋白、脯氨酸、可溶性糖和赤霉素含量等指标的影响。试验结果表明，随着遮荫率的提高，未喷施浦绿的‘兰引3号’结缕草草坪的盖度、茎粗、草坪质量、绿色指数、可溶性蛋白和可溶性糖含量呈下降趋势，而草坪冠层高度、叶长、脯氨酸含量和赤霉素含量则呈升高趋势；喷施浦绿显著（P<0.05）降低了不同遮荫率下的冠层高度、叶长和赤霉素含量，显著（P<0.05）提高了可溶性蛋白和可溶性糖含量以及草坪绿色指数。因此，本试验得出浦绿可有效增强草坪的耐荫性，提高高尔夫球道的草坪质量。

关键词: 浦绿, 高尔夫球道, 耐荫性, 草坪质量, ‘兰引3号’结缕草

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