Main horticultural characters and economic characters of 22 cut rose cultivars introduced into Sanya were observed through open field cultivation over 3 years to study their adaptability and potential for commercial development. The results showed that all the tested varieties could adapt to the natural environment in Sanya city as their heat-resistant, survival rate within 3 months of colonization and field growth condition met the demand of cut rose. The black rot resistance was also better than expected. The flower could blossom in 4 seasons; and the flower quality of all 22 varieties reached requirement of cut rose, indicating that the introduction of suitable cut rose cultivars in Sanya city was feasible and could be popularized.%通过切花月季引种试验,进行了持续近3年的田间露地种植比较,观测了22个切花月季品种在三亚市栽培后主要的园艺性状和经济性状表现,研究了各品种的适应性和商业发展潜力.结果表明,所有参试品种均能适应三亚市的自然环境,其耐热性、定植3个月内的成活率、田间生长状况都能满足切花月季开花的需求,抗黑斑病能力也好于预期,在三亚市能四季开花；并且在切花质量方面,22个品种都达到了切花月季等级质量要求.说明引进适宜的切花月季品种可以在三亚市露地种植,建议在三亚市大面积推广.
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