晚熟白肉枇杷新品种迎雪的选育  

Breeding report of a new loquat variety Yingxue

作　　者：徐红霞[1] 李晓颖[1] 葛航 陈俊伟[1] XU Hongxia;LI Xiaoying;GE Hang;CHEN Junwei(Institute of Horticulture,Zhejiang Academy of Agricultural Sciences,Hangzhou 310021,Zhejiang,China)

机构地区：[1]浙江省农业科学院园艺研究所,杭州310021

出　　处：《果树学报》2023年第10期2291-2295,共5页Journal of Fruit Science

基　　金：浙江省“十四五”果品新品种选育专项(2021C02066-3);浙江省三农九方项目(2022SNJF028);湖州市现代农业技术研发项目(2022SY009)。

摘　　要：迎雪是由宁海白×解放钟杂交选育出的晚熟白肉枇杷新品种。该品种果实近圆形,果皮淡黄色,果面光滑,果实较大,平均单果质量为42.0 g,最大单果质量为58.5 g;每果实含种子4.8粒。果肉乳白色,肉质细嫩,酸甜适口,风味浓郁,品质上等。可溶性固形物含量(w,后同)为14.5%,总糖含量为13.5%,可滴定酸含量为0.35%,维生素C含量为13.3 mg·g^(-1)。在嘉兴市海宁市(东经120.42°,北纬30.32°)6月上旬成熟;花序花朵69朵·穗^(-1),成枝力强。该品种花期晚且长、抗冻、抗栓皮、抗裂果、抗日灼,优质果率高。常温货架期7 d,冷藏1个月。适合浙江省及周边枇杷产区栽培,嫁接苗第3年开花结果,丰产性好,商品果率高。Yingxue is a late-season,table loquat with excellent appearance.The seedling was derived from a cross between Ninghaibai and Jiefangzhong in 2011 at experimental field.Through artificial pollination,450 hybrid seeds were obtained.The strain named A208 was initially selected as the superior line in 2017 for its late flowering time,strong stress resistance,large fruit,and excellent quality,and then was named Yingxue in 2018.After regional adaptability testing at three sites(including Yuhang,Haining and Lanxi)for three years from 2020 to 2022,the new variety exhibited stable comprehensive straits such as excellent stress resistance,high yield,as well as good fruit quality in various regions,and the characteristics were consistent with the performance of the mother tree.In May,2022,it was approved by the Zhejiang Provincial Forestry Variety Certification Committee(Improved number:Zhejiang S-SV-EJ-008-2022).The tree was tall,vigorous with semicircular crown and open tree gesture.The young branches were densely pubescent,then glabrous,dull grey-brown in color.The leaves were lanceolate,apical acuminate and wedge-shaped leaf bases.The leaf edges were curled and sharp,with shallow serrations and moderate density.The flowering period was from early December to early January,the inflorescence was long and conical,with an average length of 9.7 cm and a width of 8.5 cm.The average number of branches was 8.5,with drooping branches and moderate tightness.The petals were yellow-white,the fruit was relative large,and late ripening.The fruit was nearly round,with light yellow surface,easy peeling.The average fruit weight was 42.0 g,and the maximum fruit weight was 58.5 g.The average number of seeds per fruit was 4.8 and the average weight of seeds per fruit was 7.8 g.The flesh was milky white,with moderate hardness,medium juice,and a pleasant sour and sweet taste.The content of soluble solid was 14.5%,the content of total sugar was 13.5%,the content of reducing sugar was 13.4%,the content of titratable acid was 0.35%,the content

关 键 词：枇杷 新品种 迎雪 晚熟 白肉 抗逆 

分 类 号：S667.3[农业科学—果树学]