关键词: 桃, 极晚熟, 杂交, 离核, 品种

Abstract:

‘Shuangdongmi’，a new very late-ripening peach cultivar，was derived from the cross of ‘Dongxuemi’בQingzhoumi’. The average fruit weight is 148 g. The fruit is round with a dark purple red pericarp. The fruit flesh is green and white，freestone，succulent crisp with sweet flavor. It has small stone and no dehiscent fruit. The soluble solids content in fruit juice is 14.8%，and the flesh firmness is 11.6 kg · cm^-2. It has good character for transportation and storage. The fruit ripens in early November，and the fruit development period is about 210 days. This cultivar has good ability of early fruiting and high productivity. Four-year-old tree yields up to 52 500 kg · hm^-2.

Key words: peach, very late-ripening, cross, freestone, cultivar