Introduction and Domestication of Four Species of Malus sectabilis Ait Borkh in Yinchuan

In order to explore the regional adaptability of Malus sectabilis Ait Borkh and summarize the cultivation technology in Yinchuan,taking annual seedling of four species of Malus sectabilis Ait Borkh as test materials,the phenological period,survival rate,ornamental characteristics and growth regulation were studied.The results showed that the survival rate of four species of Malus sectabilis Ait Borkh in Yinchuan area was over92%,they could normally grow,blossom,results,and had a strong cold resistance,high temperature resistance and disease resistance,leaf ornamental period up to eight months;the varieties of biomass growth trend showed that Malus‘Dolgo',Malus‘Radiant',Malus‘Royalty'were higher,Mauls‘Sparkler'was lower.Malus sectabilis Ait Borkh had a high ornamental and application value in Yinchuan area.