为了满足国内扁桃市场的需求 ,增加国内扁桃产量 ,2 0 0 3年春引进了 4个意大利品种进行栽培。同年冬天 ,4个品种都表现出不同程度的抽条现象 ,为此 ,及时进行了抗冻性调查。1　材料和方法　调查在保定市望都县林场进行 ,位于华北平原北纬 3 8°5 0′、东经 1 1 5°3 4′ ,海拔 In order to meet the needs of the domestic almond market and increase domestic almond production, four Italian varieties were introduced for cultivation in the spring of 2003. In the same year in winter, all four varieties showed different degrees of splicing phenomenon. Therefore, timely investigation of frost resistance was carried out. 1 Materials and methods The survey was conducted in the forest farm of Wangdou County in Baoding City, located at latitude 38 ° 5 0 ’north latitude and 115 ° 34’ east longitude,