自然无核大粒鲜食葡萄杂交优株‘桂特261’  

A New Natural Seedless and Large-grain Table Grape Variety‘Guite261’

作　　者：韩佳宇 何建军 HAN Jia-yu;HE Jian-jun(Guangxi Research Academy of Specialty Crops/Guangxi Key Laboratory of Germplasm Innovation and Utilization of Specialty Commercial Crops in North Guangxi,Guilin 541004,Guangxi,China;Viticulture and Enology Research institute Guangxi Academy of Agricultural Sciences,Nanning 530000,Guangxi,China)

机构地区：[1]广西特色作物研究院/广西桂北特色经济作物种质创新与利用重点实验室,广西桂林541004 [2]广西壮族自治区农业科学院葡萄与葡萄酒研究所,广西南宁530007

出　　处：《南方园艺》2024年第3期46-48,共3页Southern Horticulture

基　　金：广西重点研发项目(桂科AB21196042)。

摘　　要：‘桂特261’是从‘‘阳光玫瑰’ב甜蜜蓝宝石’的杂交后代中选育出的自然无核大粒鲜食葡萄杂交优株。果穗分支形,最大穗重953 g,平均单穗质量630 g以上;果粒圆柱形,果顶凹陷,着色易,完全成熟时果皮呈紫黑色至蓝黑色,果粉较厚,有光泽,最大单果重8.5 g,平均单粒质量7.8 g,无核,肉质脆、硬度好,可溶性固形物含量大于18%时具有蜜香。在桂林地区,7月下旬果实成熟,平均667 m^(2)产量达1422.9 kg;在南宁6月下旬成熟,平均667 m^(2)产量达1500.7 kg,对白粉病、炭疽病、白腐病抗性强。适宜在广西种植。‘Guite 261’is a new natural seedless large-grain table grape variety bred from the hybrid progeny of‘Shine Muscat’בSweet Sapphire’.The spike was in branching shape,the maximum weight of the spike was 953 g and the average weight of single spike was over 630 g.The spike was cylindrical with concave apex,and the peel was easily colored.The peel was purple-black to blue-black at full maturity.The berry powder was thick and lustrous,the maximum weight of single berry reached 8.5 g and the average weight of single berry was 7.8 g.The berry was seedless,crispy,firm in texture,and gave out honey fragrance when soluble solids content was over 18%.The berry ripened in the last ten days of July in Guilin,and ripened in the last ten days of June in Nanning.The average yield was over 21000 kg·ha,and its resistance against powdery mildew,anthracnose and white rot was very strong.Therefore it is suitable for planting in Guangxi.

关 键 词：葡萄 桂特261 无核 大粒 

分 类 号：S663[农业科学—果树学]