关键词: 苹果, 杂交育种, 品种

Abstract: ‘Miguan’is a new apple cultivar derived from the cross of‘Miyazaki Fuji’and‘Sakata Tsugaru’. The fruit is nearly round or short conical,with yellowish-green ground color and bright red overcolor with longitudinal stripes. The average fruit weight is 266.0 g. The flesh is pale yellow,crisp and juicy,with a firmness of 8.1 kg · cm^-2,soluble solids content of 15.1%,and titratable acid content of 0.22%. It has a sweet-tart taste and good storability. The fruit matures in late October in Qinhuangdao,Hebei Province,with a developmental period of about 175 days. It has dense bloom and strong stress resistance,suitable for bagging-free cultivation. It can be introduced and cultivated in Yuanshi County,Luannan County,Changli County of Hebei Province,as well as northwestern producing areas with similar ecological conditions. The average yield is 49 500-60 000 kg · hm^-2.

Key words: apple, cross breeding, cultivar