【摘要】 ‘山杏4号’是从内蒙古扎兰屯市野生山杏资源群体中经优树初选、复选、决选（自然选择）的山杏新品种。抗霜冻、丰产稳产、苦仁、适应性强等优良特性，盛果期（≥8年生）平均产核量2 130 kg·hm^-2，自然冻害下（–2℃）雌蕊受冻率为1.28%，受冻坐果率为72.98%。适宜在辽宁省朝阳市、阜新市等生态区域相似的半干旱地区大面积推广应用。更多还原

【Abstract】 Prunus sibirica ‘Shanxing 4’ is a new cultivar of Siberian apricot selected from the wild population in Zhalantun City,Inner Mongolia through initial selection,reselection,and final selection（natural selection）. This cultivar has excellent characteristics such as frost resistance,high and stable yield,bitter kernels,and strong adaptability. During the full fruit stage,the average apricot stone yield（≥ 8 years old）is 2 130 kg·hm^-2. Under natural frost conditions（–2 ℃）,the pistil frost damage rate is 1.28%,with a post-frost fruit set rate of 72.98%. This cultivar is suitable for large-scale promotion and application in semi-arid regions with similar ecological conditions to Chaoyang and Fuxin City in Liaoning Province.更多还原