火龙果新品种粉红1号的选育  

A new pitaya cultivar Fenhong No.1

作　　者：张志珂[1] 马梅冰 胡桂兵[1] 严朝东 叶耀雄 张荣[1] 秦永华[1] ZHANG Zhike;MA Meibing;HU Guibing;YAN Chaodong;YE Yaoxiong;ZHANG Rong;QINYonghua(Guangdong Provincial Key Laboratory of Postharvest Science of Fruits and Vegetables/Key Laboratory of Biology and Genetic Im-Provement of Horticultural Crops(South China),Ministry of Agriculture and Rural Affairs/College of Horticulture,South China Agricultural University,Guangzhou 510642,Guangdong,China;Dongguan Institute of Forest Science,Dongguan 523106,Guangdong,China)

机构地区：[1]广东省果蔬保鲜重点实验室·农业农村部华南地区园艺生物学与种质创制重点实验室·华南农业大学园艺学院,广州510642 [2]广东省东莞市林业科学研究所,广东东莞523106

出　　处：《果树学报》2023年第4期822-826,共5页Journal of Fruit Science

基　　金：广州市基础研究计划民生科技项目(202002020060);湛江市科技计划重大科技创新平台项目引进专题(2019A01003);2022年省级乡村振兴战略专项资金种业振兴项目(No.61)。

摘　　要：粉红1号火龙果是从红水晶实生后代群体中通过单株选种选育的新品种。果实椭圆形,平均单果质量301.3 g,果皮红色,鳞片红绿色。果肉粉红色,整果可溶性固形物含量(w,后同)为14.6%,总糖含量为10.7%,可滴定酸含量0.3%,可食率70.1%,肉质爽滑,酸甜可口。自花结实率为78.0%,在广州地区每年结果 10~12批次,结果比较多的月份为7—10月。从谢花至果实成熟在夏季(7—9月)需要28~35 d,秋冬季(10—12月)则需要40 d以上。在广州地区第一批果于6月上中旬成熟,最晚一批于12月中下旬成熟。果实成熟后,常温下可以保存7~10 d,7℃可以保存30 d以上。适合我国南方火龙果种植区栽培。Fenhong No.1 is an excellent pitaya cultivar selected from Hongshuijing pitaya through seedling selection.In 2006,800 vigorous seedlings were preliminary selected from Hongshuijing pitaya according to their growth vigor.After several years observation and investigation,19 seedlings with good agricultural traits were obtained according to self-pollination ability,fruit size,flesh color and total soluble solid(TSS)content.69-1 named Fenhong No.1 was finally selected after five years regional adaptability testing at four sites including the Jinsui Orchard in Baiyun district of Guangzhou;Lüfeng Company in Xinxing of Yunfu;Zhanjiang Research Center,Institute of Nanfan&Seed Industry,Guangdong Academy of Sciences in Suixi of Zhanjiang,and the Orchard in South China Agricultural University in Tianhe district of Guangzhou.The cultivar has strong self-pollination ability and vigorous growth.New stems can sprout many times within one year.The young stems are red-green without prick.The annual mature stems are green with an average width of 5.6 cm.Stems are mainly three edges with a large number of spines on the edge protrusion.The lower half of the spines are suberificated and brown.Fenhong No.1 pitaya has many aerial roots on the stem and can attach themselves to the supports.The flower of Fenhong No.1 pitaya is white with the same height of stigma and anther.The stigma is yellow,21.5 cm in length with 25.3 no-split lobes.The fruit is oval and peel is red with green-red scales.Average fruit weight is 301.3 g.The flesh is pink,and tastes crisp and juicy with 70.1%edible rate.TSS and titratable acid contents were 14.6%and 0.3%,respectively.The fruit development period is 28-35 d after flower ing in summer and more than 40 d in winter. The fruit mature period is from early-middle June to middle-late December. There are 10-12 fruit crop cycles a year in Guangzhou. The cultivar had a long shelflife. The mature fruits can be stored at room temperature for 7-10 d and more than 30 d at 7 ℃ with70% relative humidity. Fenhong No.

关 键 词：火龙果 新品种 粉红1号 粉红果肉 自花结实 

分 类 号：S667.9[农业科学—果树学]