传粉(pollination)是成熟花粉从雄蕊花药或小孢子囊中散出后,传送到雌蕊柱头或胚珠上的过程。传粉是高等维管植物的特有现象,雄配子借花粉管传送到雌配子体,使植物受精不再以水为媒介,这对适应陆生环境具有重大意义。在自然条件下,传粉包括自花传粉和异花传粉两种形式。传粉媒介主要有昆虫(包括蜜蜂、甲虫、蝇类和蛾等)和风。此外蜂鸟、蝙蝠和蜗牛等也能传粉,还有些植物通过水进行传粉。
... 一、在自然环境中生存Survival in the habitats 二、传粉Pollination 三、受威胁与保育行动Threats and conservation actions ...
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The study of pollination ecology showed that C. arborescens adapted to anemophily.
2.传粉生态学特征研究表明,华北驼绒藜具有典型的适应风媒传粉的花部特征和性状。
参考来源 - 华北驼绒藜种群生殖生态学研究The results were as followings:The single flowering period is from 11 to 13d, the best pollination period of female flower is about 7d, during which we found pollination drop in room but none in field.
结果如下:毛乌素沙地天然臭柏种群的单花花期一般为11~13 d,雌球花最佳可授期约为7 d左右,可授期雌球花产生传粉滴而野外并未发现。
参考来源 - 毛乌素沙地天然臭柏种群传粉机制的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
然而,一些关于苏铁风媒传粉的传闻也不容忽视。
Nevertheless, anecdotal reports of wind pollination in cycads cannot be ignored.
科学家们现在已经研究了喷洒灭害威的效果,灭害威是一种抗虫剂,对传粉昆虫的毒性最小。
Scientists have now investigated the effects of the spraying of Matacil, one of the anti-budworm agents that is least toxic to insect-pollinators.
这个物种高度依赖于昆虫传粉,这些传粉昆虫最容易被灭害威消灭。
This species is highly dependent on the insect-pollinators most vulnerable to Matacil.
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