特早熟葡萄栽培技术葡萄上市早晚是影响葡萄单价高低的主要原因之一。果农为了抢早市、夺高价，多将未够成熟的葡萄采收上市，严重影响销售量和声誉。为了使大粒葡萄提早成熟，提早供应，上海农学院葡萄课题组研究成功大粒葡萄的早熟技术，使供应期提早到７月中旬以前（一... Early maturing grapevine technology Grape sooner or later is one of the main factors affecting the level of grape prices. Fruit farmers in order to grab the morning market, won the high price, the more mature grape harvest, seriously affecting sales and reputation. In order to make early maturing of large grapes, early supply, the Shanghai Agricultural College Grape Research Group successful early grapes large grapes technology, the supply period early in mid-July (a ...