Abstracts: ‘Binghong’ is a new high cold resistance apple cultivar. The seeding was derived from a cross between ‘Honghaitang’ and ‘Golden Delicious’ in 2010 at experimental field. It was initially selected in 2015 for its storability, good quality and sweet flavor. And in the next year, it was selected into the selection nursery. The regional adaptability testing in different regions started from 2017, and in 2020, a large number of fruits were produced and the fruit propertied were stable, and the DUS started from 2021 to 2022.The tree posture of this cultivar is open. The annual branches are brown, the average length is 89 cm. The average length and width of leaf are 7.83 cm and 4.29cm respectively. The petal is ovate and overlapping. Fruit is broad conical, has red peel and smooth surface. Its flesh is light yellow, crisp, rich juice, fine texture. The average fruit weight is more than 64 g, fruit shape index is 1.03.The content of soluble solid of this cultivar is 12.4 %, titrable acid is 0.49%, hardness is 7.62 kg/cm2. Quality is excellent. The fruit development period is 123 d and it matures in about September tenth in Gongzhuling area of Jilin province (Longitude 124°E and Latitude 43°N). It is resistant to coldness. And it shows moderate resistance to Valsa Canker, Botryosphaeria dothidea and Alternaria boltch. The fruit has a long storage-life for more than 45 d, and is longer than other small apple cultivars. It is suitable to plant in Jilin province and areas with similar climatic condition of Jilin province.The suitable rootstocks are Malus baccata and Xiaohuanghaitang. The dwarf culture uses GM-256, GM-310, ZM-2000 as the dwarf interstocks.
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