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国光苹果是我国晚秋及冬春果品市场上的主要水果,是北方丰产优质晚熟苹果品种。五十年代后,苏北黄河故道地区大量引种,1982年统计,江苏省国光种植面积占苹果栽培面积25.34%。由于我国幅原辽阔,南北气候差异等原因,国光苹果在故道地区常表现迟果、低产、品质劣、不耐贮,大小年结果明显。在国光品种比重大的果园,经济效益低,为此我们在故道徐州果园探讨了国光苹果栽培技术。在土壤差、
Guoguang Apple is the main fruits of late autumn and winter and spring fruit market in China, is a high-yielding late-maturing apple varieties in the north. After the fifties, a large number of introduction of the ancient course of the Yellow River in northern Jiangsu, 1982 statistics, Guoguang, Jiangsu Province, acreage accounted for 25.34% of apple cultivation area. Due to the vast territory of our country and the differences between North and South climate, Guoguang Apple often showed lateness, low yield, poor quality and stale storage in the old course. In the Guoguang large proportion of orchards, low economic efficiency, for which we in Guoxue Xuzhou orchard Apple Guoguang cultivation techniques discussed. Poor in the soil,