Abstract: Shanghais environment is hot suitable for the aims of building an international city,advancing its competition and sustainable development.It needs to define the request of environment construction for urban forestry and to realize a new development in quality and structure,to build a basic urban forestry frame which takes the coast defend forest as the front and natural forest reserve and corridors forest as the hinterland.Land is so rare in Shanghai that the increase of land use as forestry has to be planned by all means.

Key words: Genotype, Environment, Wheat, Quality