【目的】丰富我国城乡绿化应用的观赏海棠品种资源,选育观赏价值较高的海棠新品种。【方法】从‘红缨’海棠(Malus‘Hongying’)自由授粉种子实生子代苗中选育出观赏海棠新品种‘赞春’(M.‘Zanchun’)。【结果】‘赞春’海棠为优良的红花绿叶型观赏海棠品种,花量大且密集,花色由初期紫红色变为末期淡粉色,包含花苞观赏期整株观花期可达20 d;梨形果,果实初为青绿色,果熟后为黄色。【结论】‘赞春’海棠适应性强,生长迅速,具有较高的观赏价值和应用前景。

【Objective】In order to expand the resources of plants that were used in landscape in China, a new crabapple cultivar with high ornamental value was selected. 【Method】Malus‘Zanchun’ was obtained from free-pollinated seeds by selecting and breeding the offspring of M. ‘Hongying’. 【Result】‘Zanchun’ is an excellent ornamental crabapple cultivar with red flowers and green leaves,the flowers are large and dense,and the flower color changes from purple at the beginning to pale pink at the end. Including the flower bud viewing period,the whole flower viewing period can reach 20 days. Pear-shaped fruits are bluish green at first,yellow when ripe. 【Conclusion】‘Zanchun’ has strong adaptability, rapid growth, high ornamental value and good application prospects.