Ambrosia trifida L.is one of the most common weed species of disturbed soils in agricultural and urban sites.This study aims to clarify the autumn/winter stages flowering of Ambrosia trifida L.in Guiyang City,Guizhou Province,China.Meta-analysis and field observation were carried out to determine the relationship between the flowering dynamics and the successful overwintering of Ambrosia trifida L.The results showed that the flowering peri-od of Ambrosia trifida L.still bloomed to complete the whole life cycle in autumn and winter after germination in late July.The short plants of Ambrosia trifida L.were more likely to early end the autumn and winter flowering period.While the tall plants were more likely to extend the flowering period,leading to the successful overwintering.
关键词
三裂叶豚草/秋冬季/花期/贵阳
Key words
Ambrosia trifida L./autumn and winter/stages flowering/Guiyang City
维普
万方数据