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‘金手指’葡萄是日本原田富一氏于1982年用‘美人指’בSeneca’杂交育成,以果实的色泽与形状命名为‘金手指’,1993年经日本农林省注册登记,属欧美杂交种。我所1997年引入,2000年开始推广,其美丽的外观和优良的品质,倍受各地种植户和消费者的青睐。如浙江省海宁市的李勇引种后,连续两年获得浙江省葡萄优质评比金奖;山东省平度市的昌云军引种后,于2006年8月在第五届中国优质葡萄擂台赛上获得“中国最甜葡萄状元奖”,同年10月又以28.3%的含糖量申报了吉尼斯世界记录。但该品种生长势极强,节间长,花序较小,用篱架和“V”形架栽培,产量受到不同程度的影响。为此,我所于2003年开始试用“■”形架栽培(也叫“高、宽、垂”栽培)。现将“■”形架式的整形修剪技术总结如下。
’Golden Finger’ grapes Japan’s Fukuda Harada Fuji in 1982 with the ’American Finger’ × ’Seneca’ cross breeding, the color and shape of the fruit named ’finger’ in 1993 by the Japanese Ministry of Agriculture and Forestry registration, is Europe and the United States Hybrids. I introduced in 1997, 2000 began to promote its beautiful appearance and excellent quality, much of all growers and consumers of all ages. For example, after the introduction of Li Yong in Haining City, Zhejiang Province, it won the gold medal of Zhejiang Grapes Quality Evaluation for two consecutive years. After introduction of Changyun Army in Pingdu City, Shandong Province, it was obtained at the 5th China Grape Challenge Cup in August 2006 “China’s Most Sweet Grape Award”, the same year in October with 28.3% of the sugar content of the Guinness Book of World Records. However, the cultivar is extremely strong growth, internodes long, inflorescence smaller, with the fence and “V” -shaped cultivation, the yield is affected to varying degrees. For this reason, we started experimenting with the “■” cultivation system (also called “high, wide and vertical” cultivation) in 2003. Now “■” -shaped truss trim techniques are summarized below.