据一般经验,果树种子不发芽的原因大致有以下几方面,(一)种子内没有种仁或没有成熟,有许多种子如桃、杏等,外表看来种子长的很好,如果打开来看常常没有种仁,这种种子当然不能发芽,其次有些种子成熟度不够,往往也不能发芽,(二)大部果树种子需经层积处理或秋播才能发芽,如不予处理或秋播后土壤过干,就不能打破种子的后熟,亦不能发芽。(三)有的种子如樱桃,需要采收后 According to the general experience, fruit tree seeds do not germinate for the following reasons, (A) seeds without seed or maturity, there are many seeds such as peaches, apricots and so on, looks good seeds look good, if you open Often no seed kernel, of course, this seed can not germinate, followed by some of the seed maturity is not enough, often can not germinate, (b) most of the seeds need to stratification or autumn sowing to germinate, if untreated or autumn If the soil is too dry, we can not break the ripening of the seeds or germinate. (C) Some seeds, such as cherry, need to be harvested