园艺学报 ›› 2021, Vol. 48 ›› Issue (S2): 2775-2776.doi: 10.16420/j.issn.0513-353x.2021-0158

• 果树 • 上一篇    下一篇



  1. (中国农业科学院果树研究所,农业农村部园艺作物种质资源利用重点实验室,辽宁兴城 125100)
  • 出版日期:2021-11-30 发布日期:2021-12-10

A New Mid-ripening and Cold Resistant Peach Cultivar‘Zhongnong Hantao 6’

WANG Xiaodi*,WANG Yingying,WANG Baoliang,WANG Xiaolong,and ZHANG Yican   

  1. (Key Laboratory of Biology and Genetic Improvement of Horticultural Crops(Germplasm Resources Utilization),Ministry of Agriculture and Rural Affairs,Research Institute of Pomology,Chinese Academy of Agricultural Sciences,Xingcheng,Liaoning 125100,China)
  • Online:2021-11-30 Published:2021-12-10

摘要: ‘中农寒桃6号’是从以‘熊岳巨桃’为母本,‘大久保’为父本的杂交后代中选育出的中熟抗寒桃新品种。树势中庸,树姿开张。花朵蔷薇形,自花结实能力强。果实圆形,平均单果质量222.0 g,果皮底色黄白色,果肉白色,离核。含可溶性固形物12.3 %,可滴定酸0.30 %,维生素C 70.1 μg • g-1。果实发育期110 d左右。第1生长周期产量为12.6 t • hm-2,第2生长周期产量为31.5 t • hm-2。中抗流胶病和黑星病。抗寒性强,在葫芦岛市极端低温–23 ~–20 ℃条件下不需任何防寒措施即可露地越冬。不耐涝,耐盐碱性差。

关键词: 桃, 抗寒, 品种

Abstract: ‘Zhongnong Hantao 6’is a new cold resistant peach cultivar derived from the cross of ‘Xiongyue Jutao’and‘Okubo’,with a moderate growth potential. Under the extreme low temperature of –23 to–20 ℃ in Huludao City,it can survive in open field without any protection measures in winter. The tree posture opens. The flowers is rose-shaped,and it has strong self-fruiting ability. The fruit development period is about 110 d;the fruit is round;the average fruit weight is 222.0 g;the pericarp is yellow and white;the flesh is white;and it is freestone. The soluble solids content is 12.3%;the titratable acid content is 0.30%;the vitamin C content is 70.1 μg • g-1. The yield in the first growth cycle is 12 600 kg • hm-2,and that in the second growth cycle is 31 500 kg • hm-2. The cultivar is moderate resistant to flow gum disease and black star disease,which is not torlerant to waterlogging and salt and alkali.

Key words: peach, cold resistance, cultivar