水蔗草兼性无融合生殖的季节变化(英文)

Seasonal variability of facultative apomixis in Apluda mutica

对广州地区水蔗草在不同季节的无融合生殖胚囊和有性生殖胚囊频率进行了研究。结果表明:无融合生殖胚囊和有性生殖胚囊的频率在不同季节差异十分显著。两年中,无融合生殖胚囊出现的频率分别在冬季和夏季最高。

Variability in incidence of apomictic and sexual embryo sacs was detected in Apluda mutica at Guangzhou City during different seasons in a wild population for two years. Statistical analysis of incidence of apomictic and sexual embryo sacs indicated significant difference in seasons. Frequencies of apomictic embryo sacs were the highest in winter and summer respectively in two years.