All entries for Thursday 10 August 2017

August 10, 2017

Brassica aphids and virus news

The proportion of peach potato aphid (M. persicae) carrying Turnip yellows virus (TuYV)


Date Type of trap Numbers of M. persicae caught % of those tested carrying TuYV
Wellesbourne, Warwickshire
24-30/07/2017 Suction trap 0 0%
31/07-03/08/2017 Yellow water traps 1 TBA
03-07/08/2017 Yellow water traps 2 TBA
Kirton, Lincolnshire
24-30/07/2017 Suction trap 0 0%
Spalding, Lincolnshire
31/07-03/08/2017 Yellow water traps 0 0%
03-07/08/2017 Yellow water traps 0 0%


Turnip yellows virus (TuYV), formerly known as Beet western yellows virus, is a very important pathogen of vegetable brassicas and oilseed rape. It is spread by the peach potato aphid (Myzus persicae).

This data is collected as part of project ‘Developing integrated approaches for pest and disease control in horticultural field crops’ with funding from the BBSRC Horticulture And Potato Initiative (HAPI).

Diana Katschnig and Angela Hambidge, Plant-Virus Interactions Group, University of Warwick; Alex Greenslade, Rothamsted Research & Rothamsted Insect Survey; Carl Sharp, Allium & Brassica Agronomy Ltd.


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  • Update – Wellesbourne, 09–15/10/2017, Suction, 12 caught, 0% carrying TuYV Kirton, 09–15/10/2017, Su… by Angela Hambidge on this entry
  • Update Spalding 28/9 02/10/2017 YWT 12 caught, 25% carrying TuYV. by Angela Hambidge on this entry
  • Update – Wellesbourne 02 – 08/10/2017 Suction, 11 caught, 14% carrying TuYV 09 – 12/10/2017 YWT, 1 c… by Angela Hambidge on this entry
  • Update – Wellesbourne 11/9 – 17/9/2017 Suction trap 1 aphid 0% carrying TuYV Wellesbourne 21/9 – 25/… by Angela Hambidge on this entry
  • Update – Kirton, Lincolnshire 28/8–03/09/2017 Suction trap 4 aphids 33% carrying TuYV Spalding, Linc… by Angela Hambidge on this entry

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