豆类和油籽昆虫的监测和综合虫害管理.pdf

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1、Monitoring and integrated pest management of pulse and oilseed insectsMeghan Vankoskymeghan.vankoskyagr.gc.caPrairie Pest Monitoring Network Team:Shelley Barkley,Amanda Jorgensen and Alberta Agriculture and IrrigationJames Tansey,Carter Peru and the Saskatchewan Ministry of AgricultureJohn Gavloski

2、and Manitoba AgricultureWestern Grains Research FoundationAlberta GrainsAlberta Canola Producers CommissionAssociation of Alberta Agriculture FieldmenSask OilseedsVisit us at:https:/prairiepest.ca Saskatchewan Pulse GrowersSaskatchewan Wheat Development CommissionSaskatchewan Crop Insurance Corporat

3、ionManitoba Canola Growers AssociationManitoba Crop AllianceManitoba Pulse and Soybean GrowersPrairie Oat Growers AssociationBC Grain Producers AssociationCanola Council of CanadaPea Leaf Weevil Invasive species in Canada One generation per year but two periods of adult activity Primary hosts includ

4、e field pea and faba bean Damage foliage and root nodulesJon Williams,AAFCM.Vankosky,AAFCM.Vankosky,AAFCMap by Jon Williams(AAFC-Saskatoon)Systemic insecticide seed treatment if PLW present the previous year Nominal thresholds for foliar insecticides:Field pea:30%of seedlings with damage to terminal

5、 leaves Faba bean:15%of seedlings with damage to terminal leaves Check provincial crop protection guides for registered products There is no strong evidence that foliar insecticides used against pea leaf weevil protect against yield loss.Has been referred to as revenge sprayingPea Leaf Weevil Manage

6、mentNominal threshold in faba from Wijerathna et al.(2021)PLW Distribution Aligns with Precipitation Patterns 315 mm65 mm2023 Growing Season Precipitation2023 PLW Survey ResultsWhat is driving this relationship?Lab studies will investigate how soil moisture levels affect PLW reproduction and populat