‘保佳俊’是河北农业大学选出的白肉桃新品系,其果实外观和口感都表现出较好的特征,综合经济性状优良。为全面了解其生长结果习性,本研究以与‘保佳俊’成熟期相近的‘大久保’为对照品种,对比研究了‘保佳俊’的物候期、花芽、花器官和果实品质等植物学特性。结果表明:‘保佳俊’新梢生长量小,各类结果枝均易形成花芽;果实发育期114 d;果实个大,粘核,可溶性固形物含量高,固酸比高,硬度大,风味甜,是一个品质优良的新品系。 ’Bao Jiajun’ is selected from the Hebei Agricultural University white peach new lines, the appearance and taste of its fruits have shown good characteristics, good comprehensive economic traits. In order to fully understand the habit of growth, the study compared the ’Okubo’ which is similar to the ’Baojian Jun’ mature period and compared the botanism of ’Baojian Jun’ with phenophase, flower buds, floral organs and fruit quality characteristic. The results showed that the shoots of ’Baojiajun’ were small and the shoots of all kinds of fruits were easy to form flower buds. The fruit developed for 114 days. The fruit had a large size with high viscous core and soluble solid content, Sweet flavor, is a new line of good quality.