Investigation And Study On The Landscape Application Of Colorful Plants In Chenzhou

The people’s demands on living environment become higher with the development of society and the traditional forms and plants of landscape are unable to meet the aesthetic needs of the people, while colorful plants are getting popular due to composition diversity and different colors has become the new darling of current urban greening with broad prospects for development. The applications of colorful plants in have developed rapidly in Chenzhou since recent years, but there are some problems such as poor in species or improper configuration, etc; this paper carried out a research on germplasm and landscape application of colorful plants in urban green area of Chenzhou and provided summary analysis as well as solutions of existing problems, which provided references to the development of colorful plants and landscape greening construction of Chenzhou and surrounding area or even those of hunan province.This paper investigated the status including species, adaptability, application methods and the match with other landscape elements of colorful plants in green areas of main roads, squares, parks & residential areas, and affiliated areas in Chenzhou through field research with photographs, records and samples, and the results were as follows:(1) Color leaf plant species in ChenzhouThe green areas in Chenzhou had colorful plants of 69 species of 60 genera of 42 families, including 34 arbors accounting for 49.2%,20 shrubs accounting for 29.0%,15 covers accounting for 21.8%; 40 evergreen colorful plants accounting for 60%,,3 spring colorful plants accounting for 4.3%,26 autumn colorful plants accounting for 37.7%,30 yellow (golden) leaf plants accounting for 43.3%, purple (red) leaf plants accounting for 36.2%,14 multichromatic leaf plants accounting for 20.3%.(2) Adaptability of colorful plants in Chenzhou:Colorful plants in green areas of Chenzhou had 28 native species accounting for 40.6%, and 41 imported species accounting for 59.4%. Most native species were growing well, while a few imported species showed poor adaptability. There were 34 species with good adaptability accounting for 49.3%,20 species with moderately good adaptability accounting for 58.8%,2 species with acceptable adaptability accounting for 2.9%.(3) Applications of colorful plants in Chenzhou:There were various applications of colorful plants in urban green areas of Chenzhou including isolated planting, linear planting, clump planting, group planting, parcel planting, lump planting and foundation planting, vertical greening;, the most applications are lump planting and group planting.(4) Problems in the application of colorful plants in ChenzhouLack of planning,single variety,fewer applications of native plants, unscientific planting, single disposition of forms, inadequate conservation management.(5)The solutions to above problems were as followsScientific and rational planning species, strengthening the domestication and increasing diversity,making full use of native colorful plants,reflecting the local characteristics, selecting plants scientifically and rationally,optimizing the configuration,strengthening the conservation management.