【摘要】 采用气候相似学原理,在位于北纬41°的冀北山区,引进了北海道九号、寒富、新帅、新冠等6个园内外抗寒苹果新品种,利用高接换头方法,在该区建示范园,经3年初步观察,表现为果个大(平均单果重145～235g),品质优良,酸甜适口,耐贮存,早果早丰,抗寒抗旱,在当地可安全越冬。同时还摸清了这些品种的适生北界,为今后大面积推广和开发提供了理论依据。更多还原

【Abstract】 Six Cold resistant apple varieties,HAC-9,Hanfu,Xinguan,Xinshuai,Ningfeng,Ningsu were introduced in hilly area of Northem Hebei Province at 40癗. altitude. Through top gnafting,experimental and demonstration field was established.Three year observation shows that these apple variety has a large fruit size, good skin color, high quality, early fruiting and good harvest, cold and drought resistance. It can live through the winter safely in hilly area of north Hebei providence.The North boundary of these varieties were also clarified, thus provided scientific basis for spreading and development of these new apple variety in future.更多还原