The results indicated that the pollen vi-tality (81.5%) of Syringa villosa was the highest among the seven tested species, followed by S. microphylla and S. meyeri, and that of S. oblata var. affinis was the lowest.

• 试验结果表明:红丁香的花粉生命力最高；可达81.；5%25；其次为蓝丁香和小叶丁香；白丁香最低; 小叶丁香的花粉贮藏力最强；在低温条件下可以贮藏60天以上；其次为红丁香和蓝丁香;