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嘉定县是远近闻名的葡萄种植县,种植面积已达1万余亩。由于“巨峰”葡萄着色不良,影响了品质和销售,这是果农们急待解决的一个问题。两年前,上海市农科院植保所和宝山县农业技术推广中心共同研制成了“葡萄着色增糖剂”,近两年在我县马陆、南翔等乡镇使用,1989年全县使用面积达1000亩,其中面积最大的马陆乡用了500亩,其次南翔镇用了200亩。总的来说,使用“葡萄着色增糖剂”后,能提早成熟一周,同时糖度增加,酸度下降,品质得到改善。据1989年试验,7月28日喷“葡萄着色增糖剂”的葡萄,药后5、10、15天,果实着色度分别达27、71、85％,而同期对照仅10,
Jiading County is well-known grape growing county, planting area has reached 1 million mu. Due to the poor coloring of “Kyoho” grapes, affecting the quality and sales, this is an issue that farmers need to solve urgently. Two years ago, the Shanghai Academy of Agricultural Sciences plant protection and Baoshan County Agricultural Technology Promotion Center jointly developed into a “grape coloring sweetener,” the past two years in our county Malu, Nanxiang and other towns and villages in 1989, the county area Up to 1,000 acres, of which Malu Township with the largest area of 500 acres, followed by Nanxiang Town with 200 acres. In general, the use of “grape coloring sweetener”, can mature a week earlier, at the same time increase the brix, acidity decreased, quality improved. According to the 1989 test, on July 28, the grapes sprayed with “grape coloring and sweetener” were colored with 27,71,85% of the fruit color after 5, 10 and 15 days of treatment, respectively, while the control was only 10 at the same period.