Garden Plant Domesticated Research Shigatse Area

With the rapid development of gardening,the demand for greening and beautifying to city becomes highly important.The present greening plants have not yet met the high standard demand,and the four seasons’landscape has become the necessary tendency for development.It is necessary and urgent to introduce and multiply the excellent ornamental plants. In order to enrich the species of ornamental plants in Rikaze region,this dissertation studied broadly on introduction and evaluation.The experimental research of this project was divided into four parts,and the results are as fowllows:1. In Rikaze region, on the introduction of the33kinds of gardening plants (including cultivated species, belonging to17branches) from the Introduction of survival and ecological adaptation, and several other aspects of the establishment of evaluation index system of comprehensive evaluation. According to the Composite score results of the evaluation to sort classification, according to their composite index of high or low, divided into four levels, results showed that:Hosta, Sedum, Hemerocallis, species grow in Harbin is very similar conditions and is suitable for introduction; Korean boxwood, juniper, shiny fruit, introduction to the growth conditions and Harbin are not similar, not suitable for introduction.2. Suitable for the evaluation of screening out the growth of Hosta, Sedum, and Hemerocallis rouge Introduction destination with the introduction of physiological and biochemical changes in the study, three kinds of perennial flowers are available through the regulation of their own way to resist the adverse Xigaze the natural environment, allowing normal growth.3. Application of fuzzy mathematics method, the introduction of three kinds of Rikaze City, flowers, and in the whole region to promote, analyze the results obtained in:Rikaze City, BROWN County, Xaitongmoin County three counties suitable for introduction; namling County, Ngamring County, Sakya County, Tingri County, four cities and counties not suitable for introduction.The research had both enriched species of ornamental plants in Rikaze and provided a theory basis for planting adaptable range and application of new and well ornamental plants.It also provided a basic data and scientific direction for planting and selecting new and well species in northern region.