关键词: 苹果, 品种

Abstract:

‘Rainbow 1’is a new middle maturing apple cultivar derived from the cross of‘Liquan Spur Fuji’בGolden Delicious’，whose fruit is nearly round with the shape index of 0.84. The average fruit weight is 260 g. The fruit surface is smooth without rust，and the skin is in bright red color with yellow background. The flesh is yellowish-white with fine texture，crisp taste，abundant juice，sour- sweet flavor and strong fragrance. The fruit firmness and soluble solids content is 10.2 kg ? cm-2 and 14.6%，respectively. The fruit development period is around 140 d. In Qingdao，the ripening time is in middle or late September. It has the characters of high budding rate，strong branching ability and easy flower buds formation. Fruiting mainly occurs in short branches，and the ability of continuous fruit is strong，which results in high and stable yield. The tree is also highly resistant to apple Glomerella leaf spot disease. This new cultivar can be applied in regions which are suitable to‘Fuji’apple production.

Key words: apple, cultivar