交配距离与父本数量对野慈姑有性繁殖的影响
周盼盼, 陈全, 张宇杰, 汪正祥, 戴璨

Effects of mating distance and number of pollen donors on sexual reproduction of Sagittaria trifolia
ZHOU Pan-Pan, CHEN Quan, ZHANG Yu-Jie, WANG Zheng-Xiang, DAI Can
表1 野慈姑不同交配距离下的繁殖指标比较(平均值±标准误差)
Table 1 Comparison of reproductive indexes of Sagittaria trifolia at different mating distances (mean ± SE)
繁殖指标
Reproductive indices
自交
Selfing
近距离异交
Outcrossing of short distance
远距离异交
Outcrossing of long distance
比较
Comparison
坐果概率 Fruiting probability (%)90.38 ± 4.1388.46 ± 4.4790.00 ± 4.29LRT = 0.136, p = 0.93
单果种子数 Seed number per fruit236.96 ± 21.78237.49 ± 25.02253.98 ± 24.00F2,125.0 = 0.22, p = 0.81
种子面积 Seed size (mm2)5.50 ± 0.205.90 ± 0.245.68 ± 0.20F2,123.8 = 0.84, p = 0.44
2018年萌发率 Germination rate of year 2018 (%)5.82 ± 0.954.64 ± 1.054.47 ± 0.70F2,126.0 = 0.07, p = 0.93
2019年萌发率 Germination rate of year 2019 (%)8.48 ± 1.387.62 ± 1.239.16 ± 1.63F2,104.0 = 0.14, p = 0.87
2018年幼苗芽长 Seedling length of year 2018 (cm)3.24 ± 0.283.09 ± 0.213.36 ± 0.24F2,93.3 = 0.67, p = 0.52
2019年幼苗芽长 Seedling length of year 2019 (cm)2.13 ± 0.172.33 ± 0.202.23 ± 0.20F2,85.0 = 0.26, p = 0.77