All entries for Tuesday 21 June 2016

June 21, 2016

Update on pest captures at Wellesbourne

Since Friday we have captured:

In pheromone traps (2 per species):

  • Turnip moth = 6
  • Silver Y moth = 1
  • Cabbage moth = 0
  • Diamond-back moth = 34

On 3 sticky traps:

  • Carrot fly = 17

In 3 water traps:

  • Cabbage root fly males = 1
  • Cabbage root fly females = 5
  • Bean seed flies = 38
  • Flea beetles = 27
  • Pollen beetles = 225
  • Cabbage stem weevils = 1
  • Cabbage seed weevils = 0

Cabbage root fly eggs = 0 (15 plants)


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

06-12/06/2016

Suction trap

393

57%

09-13/06/2016

Yellow water traps

>7000

65%

13-16/06/2016

Yellow water traps

>2000

71%

Kirton, Lincolnshire

06-12/06/2016

Suction trap

7

71%

Leverton, Lincolnshire

09-13/06/2016

Yellow water traps

>450

78%

13-16/06/2016

Yellow water traps

62

76%

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; Simon Jackson, 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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