‘京优’葡萄在广西南宁的种植表现及一年两收栽培技术

Introduction Performance and Double-Harvest-A-Year Cultivation Technique of 'Jingyou’ Grapevine in Nanning of Guangxi

‘京优’葡萄是中国科学院植物研究所选育的早熟品种,具有抗病性强、易成花的特点,同时还具有果肉硬而脆、草莓香味浓郁、不易裂果、耐运输、商品性好的优良特性。经过在广西地区5年的引种观察,该品种在南宁可成功实现一年两收,定植第二年即进入丰产期,一次果产量达854.60 kg·667m^(-2),二次果产量为526.30 kg·667m^(-2)。本文总结出‘京优’葡萄的建园、定植、架式、整形、修剪、催芽、枝梢和花果管理、肥水管理、病虫害防治等一年两收栽培的关键技术。以期为‘京优’葡萄在广西地区的种植和推广提供参考。

'Jingyou'grape is an early maturing variety bred by the Institute of Botany,Chinese Academy of Sciences.This variety has many excellent characteristics,such as strong disease resistance,easy to form blossom,hard and crisp pulp,rich strawberry flavor,less fruit cracking,transportation resistance and good merchantability.After five years of introduction and observation in Guangxi,this variety could successfully achieve double-harvest-a-year cultivation in Nanning.The grapevine entered high yield stage in the second year after planting in Nanning with 854.60 kg·667m^(-2) for the first harvest and 526.30 kg·667m^(-2) for the second harvest.In this paper,the double-harvest-a-year key techniques of'Jingyou'grape cultivation were summarized,such as vineyard establishment,planting,trellis selecting,shaping,pruning,sprouting,shoot training,flower and fruit management,fertilizer and water application,disease and pest control and so on.It is provided references for the cultivation and promotion of'Jingyou'grape in Guangxi region.