早熟桃新品种'陇蜜11号'的选育  

A new early ripening peach cultivar 'Longmi 11'

作　　者：陈建军[1] 赵秀梅[1] 王发林[1] 牛茹萱[1] 王晨冰[1] 王鸿[1] 李宽莹[1] CHEN Jianjun;ZHAO Xiumei;WANG Falin;NIU Ruxuan;WANG Chenbing;WANG Hong;LI Kuanying(Institute of Fruit and Floriculture Research, Gansu Academy of Agricultural Sciences, Lanzhou 730070, Gansu, China)

机构地区：[1]甘肃省农业科学院林果花卉研究所,兰州730070

出　　处：《果树学报》2018年第12期1565-1568,共4页Journal of Fruit Science

基　　金：农业部西北地区果树科学观测实验站(S-10-18)

摘　　要：'陇蜜11号'桃是将2003年获得的'华光'油桃实生种子培育成苗,再从中选育出的早熟桃新品种。果实近圆形,果顶圆平,两半较对称;平均单果质量201～223 g,最大单果质量262 g。果皮茸毛较短、较少,果皮底色为白色,红色覆盖率80%以上;果肉白色,汁液多,硬溶质,风味浓甜,黏核。可溶性固形物含量(w,后同)为13.1%,可溶性糖含量9.4 g·100 g^(-1),有机酸含量0.24 g·100 g^(-1),维生素C含量4.8 mg·100 g^(-1),品质上。花型为蔷薇形,有花粉。在甘肃省兰州市安宁区,果实成熟期为7月上中旬,果实生育期87～90 d;全年生育期约225 d。抗逆性、抗病性强。果实货架期5～7 d。适宜甘肃省中东部桃产区种植,第3年开花结果,丰产。‘Longmi 11’peach is a new early maturing peach variety bred from the‘Huaguang’nectarine seeds obtained in 2003.It was initially selected in 2007 for its coloring,good quality and early ripening characristics.Fifty-six seedlings were obtained by embryo rescue method.The serial number‘03-10-18’was selected as a new plant in 2010.A multipoint regional experiment was carried out(including Qinan area,Gaolan area,Anning area,and Huixian area,in Gansu province)over six years from 2011 to 2017.It was finally chosen in 2017.In the same year,we applied and passed the examination and approval of Gansu forest variety Approval Committee.‘Longmi 11’is strong and the tree is open.The shape of the blade is long elliptic lanceolate,the length and width of leaves are 14.5-16.8 cm and 4.3-5.0 cm,respectively.The color of the leaf is green,with 2-4 kidney shaped leaf glands.The flowers were rose shaped,with pollen,pistils and stamens highly congruent or pistil slightly higher than stamens.The fruit is nearly round,the top is round and flat,and the two sides are symmetrical.The average fruit weight is 201-223 g,and the largest fruit weight is 262 g.The peel is short and less hairy,with a white grounding and a red coverage of more than 80%.‘Longmi 11’peach fruit flesh color is white,has red pigment infiltration,hard melting type,less fibre,sweet rich.The content of soluble solids in fruit is 13.1%,the water content of the fruit is 88.5 %,soluble sugar in fruit is 9.4 g·100 g^-1 ,titratable acid in fruit is 0.24 g·100 g^-1 and vitamin C in fruit is 4.8 mg·100 g^-1 ,quality.In Anning District,Lanzhou,Gansu,the fruit ripening is in the middle of July,the fruit growth period is 87-90 d,and the annual growth period is about 225 d.‘Longmi 11’has strong adaptability and resistance to the cultivation environment.It is suitable for cultivation in Tianshui,Longnan and central Lanzhou in eastern Gansu province,and also suitable for areas with similar ecological conditions.‘Longmi 11’peach has strogrowth potential a

关 键 词：桃 新品种 '陇蜜11号’ 早熟 白肉 

分 类 号：S662.1[农业科学—果树学]