Acta Horticulturae Sinica ›› 2023, Vol. 50 ›› Issue (S1): 33-34.doi: 10.16420/j.issn.0513-353x.2022-1184

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A New Early Maturing Bingtang Sweet Orange Cultivar‘Xinbing 30’ 

ZHAO Wantong1 ,PU Jin’an2 ,ZHANG Cuiying2 ,YANG Zhaogui2 ,and JIANG Dong1,*   

  1. (1 Citrus Research Institute,South West University/Chinese Academy of Agricultural Sciences,Chongqing 400700,China; 2 Cash Crops Station of Xinping County,Xinping,Yunnan 653400,China) 
  • Online:2023-06-26 Published:2023-06-26

Abstract: ‘Xinbing 30’is a new citrus cultivar derived from the graft chimera of Bingtang sweet orange and Satsuma mandarin,which was found in Xinping County,Yunnan Province. The fruit is high oblate or spherical in shape,with a single fruit weight of 185–225 g. The mature fruit is orange-red color and easy to peel. Flesh is light orange in color and have tender and juicy taste,capsule wall is soft,seedless. In Xinping,Yunnan,the acidity can be reduced to 0.81 % in mid-September,while the titratable acid content of Bingtang orange is still 1.20% at the same time,so its mature period is earlier than Bingtang orange,and it can be harvested in mid-October. The fruit total soluble solids content is 12.3%,titratable acid content is 0.40%,reducing sugar is 6.59%,invert sugar is 8.75%,vitamin C content is 343.6 mg · L-1, fruit edible rate is 76.20%,juice account for 51.46%. The variety has early fruiting and high yield,three years top-graft trees on trifoliate orange could produce 42.7 kg fruits per plant in average. The cultivar is suitable for planting in Yunnan Bingtang orange cultivation area and similar ecological area.

Key words: sweet orange, early maturity, cultivar 

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