Published online January 21, 2022
Journal of Ecology and Environment (2022) 46:03
1Department of Plant Medicals, Andong National University, Andong 36729, Republic of Korea
2Department of Pharmaceutical Chemistry and Pharmacognosy, School of Pharmacy, Addis Ababa University, Addis Ababa P.O. Box 1166, Ethiopia
3Agriculture Science and Technology Research Institute, Andong National University, Andong 36729, Republic of Korea
Correspondence to:Daniel Bisrat
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Background: Bees and flowering plants associations were initially began during the early Cretaceous, 120 million years ago. This coexistence has led to a mutual relationship where the plant serves as food and in return, the bee help them their reproduction. Animals pollinate about 75% of food crops worldwide, with bees as the world’s primary pollinator. In general, bees rely on flower scents to locate blooming flowers as visual clue is limited and also their host plants from a distance. In this review, an attempt is made to collect some relevant 107 published papers from three scientific databases, Google Scholar, Scopus, and Web of Science database, covering the period from 1959 to 2021.
Results: Flowering plants are well documented to actively emit volatile organic compounds (VOCs). However, only a few of them are important for eliciting behavioral responses in bees. In this review, fifty-three volatile organic compounds belonging to different class of compounds, mainly terpenoids, benzenoids, and volatile fatty acid derivatives, is compiled here from floral scents that are responsible for eliciting behavioral responses in bees. Bees generally use honest floral signals to locate their host plants with nectar and pollen-rich flowers. Thus, honest signaling mechanism plays a key role in maintaining mutualistic plant?pollinator associations.
Conclusions: Considering the fact that floral scents are the primary attractants, understanding and identification of VOCs from floral scent in plant-pollinator networks are crucial to improve crop pollination. Interestingly, current advances in both VOCs scent gene identification and their biosynthetic pathways make it possible to manipulate particular VOCs in plant, and this eventually may lead to increase in crop productivity.
Keywords: flowering plant, pollination, bees, flower scent, honest floral signal
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Bajaree Chuttong1* , Lakkhika Panyaraksa1, Chantaluk Tiyayon2, Wilawan Kumpoun3, Parinya Chantrasri3, Phurichaya Lertlakkanawat1, Chuleui Jung4 and Michael Burgett1,5