北京地区豆梨“大都市”引种驯化研究  

Study on Introduction and Domestication of Pyrus calleryana ‘Capital’ in Beijing

作　　者：李淑文 LI Shu-wen(Beijing Daxing District Landscaping Bureau,Beijing 102600)

机构地区：[1]北京市大兴区园林绿化局,北京102600

出　　处：《安徽农业科学》2024年第13期97-100,116,共5页Journal of Anhui Agricultural Sciences

摘　　要：以豆梨“大都市”为材料,对其进行了生态适应性及繁殖研究。结果表明:豆梨“大都市”在试验区域均能完成萌芽、开花、展叶、生长、结果、落叶的年生长发育,10月中旬至11月叶变深红色或红色,年彩叶观赏期25 d。豆梨“大都市”能够通过嫁接方法繁育,嫁接成活率可达90.0%左右。豆梨“大都市”对北京地区冬季干冷、夏季湿热的气候条件适应性强,在褐土、潮土、壤土上可正常生长,是北京地区秋季观叶的优良彩色树种。The ecological adaptability and propagation of Pyrus calleryana ‘Capital' were studied.The results showed that the annual growth and development law of germination,flowering,leaf spreading,growth,fruit setting and defoliation of Pyrus calleryana ‘Capital' can be completed in the experimental area,and the leaves turn dark red or red from mid-october to November,and the annual viewing period for colored leaves is 25 d.Pyrus calleryana ‘Capital' can be propagated by grafting,and the survival rate of grafting can reach about 90.0%.Pyrus calleryana ‘Capital' has strong adaptability to the cold and dry climate in winter and hot and humid climate in summer in Beijing,and can grow normally on cinnamon soil,fluvo-aquic soil and loam soil,it is an excellent color tree species for autumn foliage viewing in Beijing.

关 键 词：生态适应性 繁殖 豆梨“大都市” 

分 类 号：S792[农业科学—林木遗传育种]