title: [Effects of wheat-oilseed rape intercropping and methyl salicylate application on the spatial distributions of Sitobion avenae and its main natural enemies].
abstract: A field investigation was conducted on the spatial distributions of Sitobion avenae and its main natural enemies under wheat-oilseed rape intercropping and methyl salicylate application. With the development of wheat plant, an alternation from aggregation to uniform was observed in the spatial distribution of S. avenae under the intercropping and methyl salicylate application, being more obvious under the interaction of the two practices. The spatial distribution of S. avenae natural enemies was in accordance with that of the aphid. These results could be used for the reference of sampling investigation and forecast of wheat aphid and its natural enemies in field.
authors.affiliation: College of Plant Protection, Shandong Agricultural University, Tai' an 271018, Shandong, China. june.dj@163.com
authors.forename: Jie
authors.initials: J
authors.lastname: Dong
authors.forename: Ying-Jie
authors.initials: YJ
authors.lastname: Liu
authors.forename: Guang
authors.initials: G
authors.lastname: Wang
authors.forename: Yong
authors.initials: Y
authors.lastname: Liu
mesh_terms: D000383:Agriculture / Q000379:methods; D000818:Animals; D001042:Aphids / Q000187:drug effects / Q000254:growth & development / Q000502:physiology*; D029741:Brassica rapa / Q000254:growth & development*; D011235:Predatory Behavior; D012459:Salicylates / Q000494:pharmacology*; D062206:Spatial Analysis; D014908:Triticum / Q000254:growth & development / Q000469:parasitology*
chemical_list: D012459:Salicylates; C033069:methyl salicylate