关键词: 油桃, 品种, 早熟

Abstract:

‘Long Youtao 2’is an early season nectarine cultivar，derived from the open-pollinated seedlings of‘Yanguang’bred by embryo culture. The fruit shape is round with a convex fruit top；fruit halves symmetrical，average fruit weight 100 g，large fruit weight 153 g. The fruit skin color is covered by red on milk-white background when ripe. The flesh is white，hard melting. The flavor is strong sweet. The fruit has excellent quality，soluble solids content is 12.5%–14.6%，soluble sugar content is 12.06%，organic acid content is 0.28%，vitamin C content is 78 mg · kg^-1. Nuclear is clingstone. The cultivar is self-fruitful and has high yield，the yield of 4-year-old trees is about 20.3 t · hm^-2. The fruits mature in late of June，and the fruit development period is about 70 days.

Key words: nectarine, cultivar, early ripening