关键词: 分子标记, 分子标记, 混合池重测序, PCR

Abstract: To promote the rapid development of rural-urban integration of Longchang, SWOT method was applied to conduct a deep analysis on the status quo of its development of rural-urban integration based on the materials collected in the on-the-spot investigation. The results showed that: Longchang enjoyed a long history of development with favorable traffic location and abundant natural resources, as well as the supports and opportunities brought by the establishment of Chengdu-Chongqing economic zone and the great western development strategy; however, there were also obvious disadvantages, such as unbalanced regional development, low degree of development, the lack of core competitiveness and threats from the competition of other external regions. In light of the results, Longchang is supposed to seize the opportunities brought by the economic cooperation of Chengdu and Chongqing, strengthen the support of technologies and investment, promote coordinated development of three main industries and attach great importance to the ecological environment construction to promote the development of rural-urban integration of Longchang.