关键词: 甘蔗, 甘蔗, 基因型, 甘露糖, 筛选体系, 统计分析

Abstract:

For comprehensive analysis and provide reference information of the world cassava production, the GIS (Geographic Information System) was used to analyze the temporal-spatial changes and change trend of the world cassava production from 1969 to 2009 based on the cassava production statistics provided by FAO (Food and Agriculture Organization). The results showed that, the spatial distribution of area harvested, total output and per unit area yield had a significant geographical differences. In the changing of the time series, the whole world production of cassava rising steadily, cassava production changes of the main producing continents and countries had different characteristics. In the space variation trend, the rules that north and south direction altering of the per unit area yield of cassava was the most obvious; the per unit area yield of cassava increased from the equator to north with adding latitude, and it decreased from the equator to south with growing latitude. GIS was a new technology that for researching the spatial and temporal changes of the cassava. The development model of world cassava should be taken to cooperation, exchange and mutual support. The sustainable development of cassava industry might be integrated the land resources, climate resources and technological resources of the world and developed the world cassava resources within a reasonable range based on the potential production of the cassava.