山楂(Crataegus pinnatifda Bge)是我国重要经济树种,果实含有丰富的维生素C和钙质,特别是果实和叶子中都含有黄酮和三萜类化合物,能治疗高血压和心血管病,因而深受人们的重视。但是山植种子空瘪率高,当年不能萌发,而且出苗率很低,因此种子育苗非常困难。利用组织培养是快速繁殖山楂苗的好途径。山楂种子当年不能萌发,原因可能是在种皮中有一种抑制种子萌发的物质。进行组织培养时必须先剥去种皮。 Crataegus pinnatifda Bge is an important economic species in China. Its fruit is rich in vitamin C and calcium, especially flavonoids and triterpenes in fruits and leaves, which can treat hypertension and cardiovascular diseases. Therefore, Crataegus pinnatifda Bge The importance of. However, the high rate of mountain planting seeds empty collapse, then germination can not, and the emergence rate is very low, so seedling is very difficult. Tissue culture is a good way to breed hawthorn seedlings quickly. Hawthorn seeds can not germinate the same year, the reason may be in the seed coat has a material that inhibits seed germination. Tissue culture must first be stripped of seed coat.