胡桃树(Tuglans regia L),是温带和亚热带北部的重要树种之一。其分布范围很广,在我国大部分地区均有生长。胡桃树的果实含油丰富,其木材可制枪托,在国民经济中占有一定地位。胡桃树的繁殖,主要采用播种和嫁接,嫁接在目前还没有得到全面的推广,所以研究种子繁殖的方法,在生产上仍然具有很大的价值。在种子繁殖的方法中,采种时间、种子贮藏和催芽处理,是胡桃育苗成败的关键问题。根据许多苗圃的反映、胡桃种子越冬时、采用湿藏的方法、(主要是室外窖藏)、常使种子 Tuglans regia L is one of the most important species in temperate and subtropical northern China. Its distribution is very wide, growing in most parts of our country. Walnut fruit rich in oil, the wood can be gunstock, occupy a certain position in the national economy. The propagation of walnut trees is mainly sowing and grafting. Grafting has not been fully popularized at present, so the method of studying seed propagation still has great value in production. Seed breeding methods, seed time, seed storage and germination treatment, the success or failure of walnut seedlings is the key issue. According to many nursery reflects, walnut seeds winter, the use of wet storage method (mainly outdoor cellar), often make the seeds