本文由国家科技支撑计划项目2013BAD05B06、山东省现代农业产业技术体系棉花建设专项SDAIT-03、山东省农业良种工程项目2013LZ,2014LZ、山东省自然科学基金项目ZR2013CM005和山东农业大学盐碱地改良利用项目2014资助;This paper was supported by the Key Projects in National Science & Technology Support Program 2013BAD05B06,Modern Ago-industry Technology Research System SDAIT-03,Shandong Program for Improved Varieties of Agriculture 2013LZ,2014LZ,Natural Science Fund of Shandong Province ZR2013CM005 and Saline Alkali Land Improvement and Utilization Project of Shandong Agricultural University 2014.