日本入侵植物轮叶珊瑚的花香和授粉

Q3 Agricultural and Biological Sciences
M. Arifin, Tomoko Okamoto
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引用次数: 0

摘要

入侵植物杉木(Coreopsis lanceolata)与本土植物争夺资源,威胁着日本的生态系统。本种是自交不亲和和需要传粉剂为种子生产;然而,众所周知,它能产生许多种子。在这里,我们记录了引种地杉木的授粉生物学和植物与传粉者的相互作用,这些相互作用促进了杉木种子的产生。结果表明,杉木吸引了20科60种的访花植物。虽然大部分访花者可能是潜在的传粉者,但从访花频率和携带花粉的能力来看,食蚜蜂的功能群似乎是针叶树最重要的传粉者。杉木的花香主要由单萜类、倍半萜类和苯类组成。平均结实率接近胚珠平均结实率的30%。我们的研究证实,在日本的引种地,杉木已经融入了当地的传粉昆虫群落,特别是与halictid蜜蜂的功能群一起参与了繁殖的成功。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Floral scent and pollination of the invasive plant Coreopsis lanceolata in Japan
The invasive plant Coreopsis lanceolata threatens ecosystems in Japan by competing for resources with native plants. This species is self-incompatible and requires pollinator agents for seed production; however, it is known to produce many seeds. Here, we document the pollination biology and plant-pollinator interactions that facilitate seed production of C. lanceolata in the introduced range. Results revealed that C. lanceolata attracted a wide array of floral visitors comprising 60 species from 20 families. Although most floral visitors could be potential pollinators, the functional groups of halictid bees appeared to be the most important pollinators of C. lanceolata in terms of visitation frequency and the ability to carry pollen. The floral scent emission of C. lanceolata consists predominantly of monoterpenes, sesquiterpenes, and benzenoids. Furthermore, the mean seed set was nearly 30% of the ovule mean. Our study confirmed that in the introduced range in Japan, C. lanceolata is integrated into the local pollinator community, especially with the functional group of halictid bees involved in the reproductive success.
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来源期刊
Journal of Pollination Ecology
Journal of Pollination Ecology Environmental Science-Ecology
CiteScore
1.50
自引率
0.00%
发文量
17
审稿时长
17 weeks
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