国家自然科学基金项目(31571657);中央高校基本科研业务费项目(2014ZZ009);新疆农业职业技术学院科研项目(XJNZYKJ201501)资助;supported by the National Natural Science Foundation of China(31571657);the Fundamental Research Foundation for the Central Universities(2014ZZ009);the Foundation of Xinjiang Agriculture Vocational Technology College(XJNZYKJ201501)