title: Use of slow-release plant infochemicals to control aphids: a first investigation in a Belgian wheat field.
abstract: Using infochemicals to develop a push-pull strategy in pest control is a potential way to promote sustainable crop production. Infochemicals from plant essential oils were mixed with paraffin oil for slow release in field experiments on wheat to control the population density of cereal aphids and to enhance their natural enemies. (Z)-3-Hexenol (Z3H) attracted Metopolophum dirhodum and Sitobion avenae, the predominant species on wheat in Belgium, and may be a useful infochemical for aphid control by attracting aphids away from field plots. Release of (E)-β-farnesene (EBF) or a garlic extract (GE) led to a significant decrease in the abundance of wheat aphids. The main natural enemies of cereal aphids found were lacewings (47.8%), hoverflies (39.4%), and ladybirds (12.8%). Ladybird abundance varied little before the end of the wheat-growing season. Our results suggest that these chemicals can form the basis of a "push-pull" strategy for aphid biological control, with GE and EBF acting as a pest- and beneficial-pulling stimulus and Z3H for aphid pulling.
authors.affiliation: State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, PR China.|Functional and Evolutionary Entomology, Gembloux Agro-Bio Tech, University of Liege, Gembloux, 5030, Belgium.|Anhui Academy of Science and Technology, Heifei, 230031, PR China.|Anhui Academy of Applied Technology, Heifei, 230088, PR China.
authors.forename: Haibo
authors.initials: H
authors.lastname: Zhou
authors.affiliation: Anhui Academy of Science and Technology, Heifei, 230031, PR China.|Anhui Academy of Applied Technology, Heifei, 230088, PR China.
authors.forename: Longsheng
authors.initials: L
authors.lastname: Chen
authors.affiliation: College of Plant Protection, Shandong Agricultural University, Taian, 271018, China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Liu
authors.affiliation: State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, PR China.
authors.forename: Julian
authors.initials: J
authors.lastname: Chen
authors.affiliation: Functional and Evolutionary Entomology, Gembloux Agro-Bio Tech, University of Liege, Gembloux, 5030, Belgium.
authors.forename: Frédéric
authors.initials: F
authors.lastname: Francis
mesh_terms: D016573:Agrochemicals; D000818:Animals; D001042:Aphids; D001530:Belgium; D010571:Pest Control / Q000379:methods*; D014908:Triticum / Q000469:parasitology*
chemical_list: D016573:Agrochemicals