关键词: 油桃, 变异, 品种

Abstract:

‘Hongyu’is a new early-ripening yellow flesh nectarine cultivar which selected from
mutation of‘Zhong Youtao 9’. The fruit is nearly round in shape，weighing 152 g on average and 223 g on
maximum. The fruits are top dimple，middle part mid-depth，carpopodium thick and short，stems broad and
deep. Over 80% of the skin is covered by red，when maturing. The flesh is orange-yellow，hard-melting
and succulent crisp，sweet and sour. The juicy contain 9.45% soluble solids，flesh firmness is 9.46 kg · cm-2.
The stone is cling and nuclear stick. Fruit shelf life of‘Hongyu’is 3–5 d longer than that of‘Zhong
Youtao 9’the. The fruit is ripening around June 10th，and fruit development period is about 75 days in
Dangshan under open-field condition. It is suitable for protected cultivation.

Key words: nectarine, mutant, cultivar