当前位置: 首页 > 文章 > 不同光照强度下翦股颖草坪质量变化动态 中国草地学报 2008,30 (1) 87-92
Position: Home > Articles > Changes of Turf Quality of Bentgrass under Different Light Intensity Chinese Journal of Grassland 2008,30 (1) 87-92

不同光照强度下翦股颖草坪质量变化动态

作  者:
杨志民;李志华
单  位:
南京农业大学动物科技学院;南京农业大学草坪研究与开发工程技术中心
关键词:
草坪草;翦股颖;光照强度;草坪质量
摘  要:
在南京地区夏季高温季节,采用自然光照(日最大光强1900μmol/m2.s左右)、轻度遮荫(日最大光强1100μmol/m2.s左右)、中度遮荫(日最大光强550μmol/m2.s左右)和重度遮荫(日最大光强90μmol/m2.s左右)4种光照强度,对7个翦股颖品种的草坪质量性状指标进行观测。结果表明,在日最大光强>550μmol/m2.s范围内,7个供试品种的草坪质量均随光强减弱而提高,品种间相比,南选1号和L-93的草坪质量较好,品种高地草坪质量最差;在日最大光强低于90μmol/m2.s的环境下,各品种草坪质量均极差,应选择更耐荫抗热的地被植物。
译  名:
Changes of Turf Quality of Bentgrass under Different Light Intensity
作  者:
YANG Zhi-min1,LI Zhi-hua 2(1.Horticulture College,Nanjing Agricultural University,Nanjing 210095,China; 2.College of Animal Science and Technology,Nanjing Agricultural University,Nanjing 210095,China)
关键词:
Turfgrass;Bentgrass;Light intensity;Turf quality
摘  要:
The turf quality characteristic indexes of bentgrass were researched under natural lighting(maximum daily light intensity is about 1900 μmol/m2·s) and slight shading(maximum daily light intensity is about 1100 μmol/m2·s) and medium shading(maximum daily light intensity is about 550 μmol/m2·s) and heavy shading(maximum daily light intensity is about 90 μmol/m2·s) in summer in Nanjing.The results of the experiment indicated that turf quality of seven experimental varieties increased with shade density increasing when maximum daily light intensity was more than 550 μmol/m2·s.The turf quality of 'L-93' and 'Nau 1' was better than other varieties,and the turf quality of 'Highland' was the worst among seven experimental varieties within the scope of maximum daily light intensity more than 550 μmol/m2·s.When maximum daily light intensity was less than 90 μmol/m2·s,the turf quality of seven experimental varieties was wondrously bad and more heat and shade resistant ground cover should be used instead.

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