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当前位置: 首页 > 文章 > 百子莲的花蜜分泌节律及传粉效率影响因素的研究 上海农业学报 2009,25 (2) 36-40
Position: Home > Articles > The nectar secretion rhythms and influencing factors of pollination efficiency of Agapanthus africanus ssp. orientalis 'Big Blue' Acta Agriculturae Shanghai 2009,25 (2) 36-40

百子莲的花蜜分泌节律及传粉效率影响因素的研究

作  者：
孙颖;卓丽环
单  位：
上海农林职业技术学院;东北林业大学园林学院
关键词：
百子莲;花蜜分泌节律;花蜜含量糖;访花频率;传粉效率
摘  要：
对百子莲的花蜜分泌节律及影响百子莲昆虫访花行为的因素进行了分析和检测。结果发现:百子莲的花蜜存在2次分泌现象,花蜜分泌速率及花蜜常备量均在开花第2天达到最大值。花蜜含量糖为21.80%~36.14%。去雄和切除花瓣试验表明:百子莲的主要传粉报酬为花蜜,其在诱导昆虫传粉中起主要作用。昆虫的访花活动与开花式样有一定关系,10~15朵花是百子莲有较好传粉效率的开花式样。
译  名：
The nectar secretion rhythms and influencing factors of pollination efficiency of Agapanthus africanus ssp. orientalis 'Big Blue'
作  者：
SUN Ying1,ZHUO Li-huan1,2 (1College of Landscape and Architecture,Northeast Forestry University,Harbin 150040,China;2Shanghai Vocational Technical College of Agriculture & Forestry,Shanghai 201600,China)
关键词：
Agapanthus africanus ssp.orientalis 'Big Blue';Nectar secretion rhythm;Sugar content of nectar;Visiting frequency;Pollination efficiency
摘  要：
The nectar secretion rhythms of Agapanthus africanus ssp.orientalis 'Big Blue' and the factors influencing pollinating insects to visit A.africanus were tested and analyzed.The results showed that most flowers of A.africanus secreted nectar two times and the nectar secretion rate and nectar standing crop reached the peak on the 2nd day after flowering.The sugar content of nectar changed between 21.80% and 36.14%.The tests for emasculation and perianth removal showed that the reward of nectar was more attractive than pollen to pollinators.Moreover,there was a certain relation between the insects' visiting activities and the number of simultaneously-blooming flowers on inflorescence(NSBF),and when the NSBF was 10～15,the frequency for pollinators to visit a flower was higher and thus the pollination efficiency was better.

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