本文由农业部引进国际先进农业科学技术计划“948计划”项目2011-G7和云南省科技攻关重点新产品开发计划项目2012BB011资助 This work was supported by the Introduction of International Advanced Agricultural Science and Technology Plan of Ministry of Agriculture‘ 948 Program’ 2011-G7,and the Program for Science and Technology Development of Yunnan Province‘the Key New Products Development Project’2012BB011.