Rothamsted Research Hertfordshire

Oct 29, 2023 | onlinelibrary.wiley.com | Duncan J Coston |Rothamsted Research Hertfordshire |Suzanne Clark |Tom Breeze

1 INTRODUCTION Oilseed rape (OSR, Brassica napus L.) is the second most widely produced vegetable oil crop globally1 and the primary oilseed crop in Europe,2 where it forms an important component of agricultural rotations with cereals.3 Psylliodes chrysocephala L. (cabbage stem flea beetle) is one of the most economically important autumn pests of winter OSR in the United Kingdom (UK) and coastal areas of Europe4 and causes direct injury, which can be damaging in two distinct ways.