The Investigation And Research Of Applied Colorful Plants In The Luoyang Green Space

Colorful plants were an important part of the urban landscape plants, it couldmake up for the lack of general plant and greatly enriched the color of the city.In orderto better play colorful plants part in the garden of Luoyang City, Colorful plantsspecies were investigated by the representative11points of the green space inLuoyang area and were analyed by the Hierarchy Process valuation, so provided atheoretical reference for plant landscape design; Four different periods of17kinds ofColorful plants were selected as samples by the representative11points of Luoyanggreen City, mainly studied the the anthocyanin content changes of the Colorful plantsin different location of the fall and winter. The results are as follows:1. There are about22families,30genera,36species Colorful plants, maple treebranch are most species in the22families. Autumn colorful plant leaves are mostspecies in the36kinds of plants, spot colorful tree species are at least; From the leafcolor shows, leaf color mainly had yellow, red, brown and purple red etc, which arein the majority with red, accounting for65.7%of the total number of colorful plants,yellow second; Red tree species of colorful plants were used the more extensive, themore popular.2. It can be divided into three grades by using of AHP; the I-level colorful planthas10species and its comprehensive utilization value is higher; the II-level colorfulplant has16species and its comprehensive utilization value is general, the III-levelhas10species with lower comprehensive utilization value.Among them, the value ofcomprehensive utilization of Prunus cerasifera Ehrh.cv.Atropurpurea,Ginkgo bilobaL., Acer palmatum Thunb., Pistacia chinensis Bunge, Cotinus coggygria Scop.,Rhus typhina L. are better, and they can be used as the first choice of colorful plantspecies, they were also widely used in Luoyang. 3. The different location of colorful plants follow time changes, the differentanthocyanin content changes of colorful plants such as: Pistacia and Cotinuscoggygria, Ligustrum X vicaryi and Cotinus coggygria, Koelreuteria paniculata andLigustrum X vicaryi anthocyanin content change trends are similar. with the changesof autumn winter season, Platanus, Acer palmatum ‘Atropurpureum’, Koelreuteriapaniculata, Pistacia, Rhus typhina, Cotinus coggygria, Sakura, Acer monoes,Ginkgo and forsythia were determinated the rising trend of anthocyanin content. Theanthocyanin content change of colorful plants Located in different directions weresignificanted. on November15, the determination of the Pistacia, Cotinus coggygriaAcer monoes and the Sakura anthocyanin content was higher than other three times ineast west facing towards the sun and in the shady, and was significant difference;And on September30, October15and October30, Pistacia chinensis Bunge,Cotinus coggygria, Ligustrum X vicaryi, Acer buergerianum, pomegranate, Acermonoes and the Sakura were determinated the anthocyanin content was no significantdifference; In the shady, Ginkgo, Acer buergerianum on November15, thedetermination of anthocyanin content were increased more.4. The anthocyanin content of Sakura, Acer monoes, serrulata, Acer palmatum‘Atropurpureum’, Acer buergerianum, Rhus typhina and forsythia were determinateddecresed obvious in October30.The colorful plant species were arranged in the luoyang district, it should beattented to reasonable use in microclimate and micro environment to create the ideal ofcolorful plants landscape.