果树砧木种子需经处理后打破休眠，才能正常发芽，一般采用沙藏法，因种子和沙子分层贮藏，故又称层积处理O一、具体方法将1份种子和3－5价沙子混拌均匀，装入木箱，放在窖内贮藏，箱底部要先铺一层河沙，上面盖一层河沙。所用之沙子湿度以手握能成团，不滴水一触即散为度。种 Fruit tree rootstock seeds need to be treated to break the dormancy in order to normal germination, the general method of sand storage, due to the stratification of seeds and sand storage, it is also known as stratification O First, the specific method of 1 seed and 3-5 price sand mixed Mix evenly, into the wooden box, placed in the cellar storage, bottom of the box to be paved with a layer of sand, covered with a layer of river sand. The sand used to hold the humidity can be a group, do not drip touch scattered as a degree. Species