Preliminary Report on Breeding of New Early Ripening Freestone Nec-tarine Superior Line 4-24-1
4-24-1 is an early-maturing freestone nectarine superior line bred by crossing Fengguang with 070507(Tianxian Red × Zhongyou 5).This superior line has moderate tree vigor and relatively open tree pos-ture.It blooms in early to mid March in Wuhan and the fruit matures in early June.The average weight of sin-gle fruit is 81.64 g,and the maximum is 130 g.Fruit is nearly circular,with white base,smooth and hairless surface in red color,and white flesh.The flesh is crispy,freestone with a sweet flavor.The contentof soluble solids is 12％to 14％,and the titratable acid is 0.16％to 0.29％.The fruit quality is excellent,and yield is high and stable.The average yield is more than 30.0 t·hm-2.
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