1.Institute of Germplasm Resources,Ningxia Academy of Agriculture and Forestry Science,Yinchuan,Ningxia 750002；2.The Ningxia Hui Autonomous Region,Pengyang County Agricultural Technology Extension and Service Center,Pengyang，Ningxia 756500
15 varieties of introducing cayenne peppers were used as test materials，varieties characteristics of cayenne peppers in cement arch plastic greenhouse was studied by varieties observing experiment to provide the data basis for the excellent varieties of cayenne pepper in Ningxia region.The results showed that the varieties characteristics of ‘Long Crown’‘Japan Ricky’‘Japan Long Golden’ cayenne pepper，all were stronger resistance to disease，red color，stronger fruit setting ability，higher fruit weight，higher yield.The three varieties of cayenne peppers were suitable for protected cultivation in Ningxia.