辽宁省宽甸县栗树栽培已有 2 0 0年历史 ,现有面积 2 .6万 hm2 ,年产量 70 0 0～ 80 0 0 t。居全国第 5位 ,全省第 1位。过去丹东栗栽培均采用实生苗木 ,其结果晚、果实小、产量低。70年代 ,宽甸县板栗试验站曾从实生栗树资源中选出优系 ,命名为辽丹 5 8、辽丹 6 1、辽丹 2 4号 The cultivation of chestnut trees in Kuandian County of Liaoning Province has a history of 200 years with an existing area of ​​26,000 hm2 and an annual output of 70,000 to 80,000 tons. Ranking fifth in the country, the province’s first place. Dandong chestnut cultivation in the past are used seedlings, the results of late, small fruit, low yield. In the 1970s, the Kuandian County Chestnut Experimental Station had selected excellent strains from the real chestnut resources and named them as Liao Dan 58, Liao Dan 61 and Liao Dan No.24