Abstract: The pollen viability and stigma receptivity of Lycium barbarum L. were studied by TTC method, benzidine-hydrogen peroxide method and field test to explore the effects of different storage periods on pollen viability and seed setting rate. The results showed that the successive anther dehiscence and pollen dispersal of Lycium Barbarum L. occurred at 4 h after its corolla bloomed; the pollen viability of the same variety（line）showed a decreasing trend with the prolongation of storage time, and the pollen could be stored for 12 days at room temperature; the pollen vigor of Ningqi No.1 was significantly different in different storage time, but the pollen activity of other varieties （lines） was strong within three days and the difference was not significant; the stigma receptivity was best from12 h to 36 h, and the seed setting rate of Ningqi No. 1 was lower than that of “2014-401”. The pollen could be stored for 12 days at room temperature, the pollen vitality was strong within three days, and the stigma receptivity was strong from 6 h before flowering to pre-pollen dispersal. In production practice, it is appropriate to store pollen for 3 days when Ningqi No. 1 is used as the male parent; while “2014-401” is used as the male parent, the pollen storage for 6 days is recommended.

Key words: Lycium barbarum L., flowering dynamics, pollen vigor, stigma receptivity