Based on the analytic hierarchy process, this paper screened out 11 related evaluation indicators related to the adaptability, growth and reproduction of ornamental grass, and comprehensively evaluated the ornamental properties of 10 ornamental grass introduced in Guiyang. The results showed that among the 11 evaluation indicators, the plant type, leaf color, and drought tolerance of ornamental grass accounted for a larger weight (>0.1), which were important indicators that affect the comprehensive evaluation of their ornamental properties. After the establishment of the scoring standard, the ornamental rank was calculated as: Pennisetum setaceum ‘Fire Works’, Cortaderia selloana ‘Silver Comet’, Pennisetum setaceum ‘Rubrum’, Cortaderia selloana ‘Pumila’, Phormium Sundowner, Carex oshimensis ‘Evergold’, Muhlenbergia capillaris, Festuca glauca, Cordyline australis ‘Red sensation’, Carex riparia ‘Bowles Golden’; Growth adaptability ranking: Cortaderia selloana ‘Pumila’, Cortaderia selloana ‘Silver Comet’, Pennisetum setaceum ‘Fire Works’, Pennisetum setaceum ‘Rubrum’, Phormium ‘Sundowner’, Carex riparia ‘Bowles Golden’, Muhlenbergia capillaris, Carex oshimensis ‘Evergold’, Cordyline australis ‘Red sensation’, Festuca glauca. It was finally concluded that the comprehensive score had excellent ornamental value with grade I (>4.30 points) including Cortaderia selloana ‘Silver Comet’, Pennisetum setaceum ‘Fire Works’; better ornamental value with grade II (3.56–4.30 points) including Cortaderia selloana ‘Pumila’, Pennisetum setaceum ‘Rubrum’, Phormium ‘Sundowner’, Muhlenbergia capillaris, Carex oshimensis ‘Evergold’; the general ornamental value with Ⅲ grade (<3.56 points) including Festuca glauca, Cordyline australis ‘Red sensation’, Carex riparia ‘Bowles Golden’.
ZHANG Yan-sha
,
OU Jing
,
LUO Qian
,
ZHANG Zhi-ye
. Comprehensive Evaluation of the Ornamental Adaptability of 10 Species of Introduced Ornamental Grass in Guiyang[J]. Subtropical Plant Science, 2021
, 50(01)
: 26
-32
.
DOI: 10.3969/j.issn.1009-7791.2021.01.005
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