为进一步探明杏树坐果率低的原因 ,研究了杏树不同品种、不同果枝类型的花粉发芽率。结果表明 :同一品种不同果枝类型花粉发芽率差异不显著 ;杏树不同品种间花粉发芽率存在极显著差异 (99% ) ,其中车头杏最高达 31 7% ;不同品种的培养基最适蔗糖浓度不同 ,大部分品种以 10 %为最好 ,但巴斗杏在蔗糖浓度 5%的培养基上发芽率最高 ,串枝红杏在蔗糖 3个浓度下发芽率基本一致 ;80万单位青霉素对不同品种花粉萌发有促进或抑制作用 In order to further understand the reason of low fruit setting rate of apricot, the germination rate of pollen of different varieties and fruit branch types of apricot was studied. The results showed that there was no significant difference in pollen germination rate among the different fruit types with the same variety. The pollen germination rate of the different varieties was very different (99%), the highest was 31.7%. The optimum sucrose concentration Different, most of the varieties to 10% for the best, but the Bucket apricot sucrose concentration of 5% in the highest germination rate, Buxus apricot in sucrose 3 concentrations of germination rate was basically the same; 800,000 units of penicillin different Variety of pollen germination can promote or inhibit the role