Pollination and pollen plant diversity by Apis cerana cerana during olive flowering based on DNA metabarcoding

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY
Wenping Liu, Sicheng Huang, Youjin Hao, Jingui Long, Yamei Wang, Zhiwei Jin, Huanhuan Lu, Zeyang Zhou, Xiaoqun Dang, Zhaohui Pan, Dunyuan Huang
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Abstract

To understand the role of Apis cerana cerana in olive tree (Olea europaea L.) pollination, pollinators and pollen carried by bees were collected from 11 experimental plots during the flowering period. The abundance and diversity of pollen plant species were investigated using DNA metabarcoding. A total of 583 pollinators were collected and A. cerana cerana accounts for 46.83%. Further analysis revealed a total of 56 families, 136 genera and 195 plant species in bee pollens. O. europaea is the dominant species accounting for 42.02 ± 34.89% and then followed by Sedum japonicum (8.70 ± 16.42%). Diversity index showed that the abundance and diversity of pollen plant species were the highest in Wanzhou (WZ) and lowest in Hechuan (HC). This suggests that Wanzhou sample plot has a greater abundance of plant species to supplement the bee diet. Excessive presence of miscellaneous flowering plants in olive plantations can distract bees from collecting olive tree pollens. Therefore, their abundances can be reduced appropriately while ensuring food diversity for the bees. Based on the abundance of plants in pollens, we recommend that appropriately planting of S. japonicum, Youngia japonica and Vicia villosa in olive plantations with fewer flowering plants could be an effective supplement of bee food. Our results not only contribute to future studies on olive tree pollination but also provide new ideas for enriching flowering plants in or around olive plantations.

基于 DNA 代谢编码的橄榄花期蜂授粉和花粉植物多样性
为了了解蜜蜂在橄榄树(Olea europaea L.)授粉中的作用,在开花期间从 11 个实验地块收集了授粉者和蜜蜂携带的花粉。利用 DNA 代谢编码研究了花粉植物物种的丰度和多样性。共收集到 583 种传粉昆虫,其中蜂类占 46.83%。进一步分析发现,蜜蜂花粉中共有 56 科、136 属和 195 种植物。欧鼠李是主要物种,占 42.02 ± 34.89%,其次是日本景天属(8.70 ± 16.42%)。多样性指数显示,花粉植物物种的丰度和多样性以万州(WZ)最高,合川(HC)最低。这表明万州样地有更丰富的植物物种来补充蜜蜂的食物。橄榄园中过多的杂花植物会分散蜜蜂采集橄榄树花粉的注意力。因此,在保证蜜蜂食物多样性的前提下,可以适当减少杂花植物的数量。根据植物在花粉中的丰度,我们建议在开花植物较少的橄榄园中适当种植日本矢车菊、茑萝和苣苔,这可以有效补充蜜蜂的食物。我们的研究结果不仅有助于今后对橄榄树授粉的研究,还为丰富橄榄种植园内或周围的开花植物提供了新思路。
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来源期刊
CiteScore
3.40
自引率
5.30%
发文量
132
审稿时长
6 months
期刊介绍: The Journal of Applied Entomology publishes original articles on current research in applied entomology, including mites and spiders in terrestrial ecosystems. Submit your next manuscript for rapid publication: the average time is currently 6 months from submission to publication. With Journal of Applied Entomology''s dynamic article-by-article publication process, Early View, fully peer-reviewed and type-set articles are published online as soon as they complete, without waiting for full issue compilation.
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