Does Ozone Alter the Attractiveness of Japanese White Birch Leaves to the Leaf Beetle Agelastica coerulea via Changes in Biogenic Volatile Organic Compounds (BVOCs) : An Examination with the Y-Tube Test

Masui, Noboru; Mochizuki, Tomoki; Tani, Akira; Matsuura, Hideyuki; Agathokleous, Evgenios; Watanabe, Toshihiro; Koike, Takayoshi

Does Ozone Alter the Attractiveness of Japanese White Birch Leaves to the Leaf Beetle Agelastica coerulea via Changes in Biogenic Volatile Organic Compounds (BVOCs) : An Examination with the Y-Tube Test

Masui, Noboru; Mochizuki, Tomoki; Tani, Akira et al.

Forests, 2020, 11(1), 58

Permalink : https://hdl.handle.net/2115/77116

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アクセス権	open access
URI	https://hdl.handle.net/2115/77116
タイトル	Does Ozone Alter the Attractiveness of Japanese White Birch Leaves to the Leaf Beetle Agelastica coerulea via Changes in Biogenic Volatile Organic Compounds (BVOCs) : An Examination with the Y-Tube Test
著者	Masui, Noboru ; Mochizuki, Tomoki ; Tani, Akira ; Matsuura, Hideyuki ; Agathokleous, Evgenios ; Watanabe, Toshihiro ; Koike, Takayoshi
著者名 Masui, Noboru
著者名 Mochizuki, Tomoki
著者名 Tani, Akira
e-Rad_Researcher 20344492 著者名 Matsuura, Hideyuki
著者名 Agathokleous, Evgenios
e-Rad_Researcher 60360939 著者名 Watanabe, Toshihiro
e-Rad_Researcher 10270919 著者名 Koike, Takayoshi
言語	英語
キーワード	atmospheric lifetime
	biogenic volatile organic compounds (BVOCs)
	herbivorous insects
	leaf beetle
	olfactory response
	ozone
発行日	2020-01-02
出版者	MDPI
収録物名	Forests
巻(号)	11(1)
ページ	58
抄録	Elevated ground-level ozone (O₃) reduced C-based defense chemicals; however, severe grazing damages were found in leaves grown in the low O₃ condition of a free air O₃-concentration enrichment (O₃-FACE) system. To explain this phenomenon, this study investigates the role of BVOCs (biogenic volatile organic compounds) as signaling compounds for insect herbivores. BVOCs act as scents for herbivore insects to locate host plants, while some BVOCs show high reactivity to O₃, inducing changes in the composition of BVOCs in atmospheres with elevated O₃. To assess the aforementioned phenomenon, profiles of BVOCs emitted from birch (Betula platyphylla var. japonica Hara) leaves were analyzed ex situ, and Y-tube insect preference tests were conducted in vitro to study the insect olfactory response. The assays were conducted in June and August or September, according to the life cycle of the adult alder leaf beetle Agelastica coerulea Baly (Coleoptera: Chrysomelidae). The Y-tube tests revealed that the leaf beetles were attracted to BVOCs, and O₃ per se had neither an attractant nor a repellent effect. BVOCs became less attractant when mixed with highly concentrated O₃ (>80 ppb). About 20% of the total BVOCs emitted were highly O₃-reactive compounds, such as beta-ocimene. The results suggest that BVOCs emitted from the birch leaves can be altered by elevated O₃, thus potentially reducing the attractiveness of leaves to herbivorous insects searching for food.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Creative Commons Attribution 4.0 International
PISSN	1999-4907
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.3390/f11010058