All entries for Tuesday 08 September 2015

AHDB Project FV 416b – cabbage root fly egg counts in Cornwall

The egg counts are in the attached file. They show the mean numbers of eggs per plant per week found around a sample of 20 plants per location.

cornish_egg_counts.pdf

Rosemary Collier : 08 Sep 2015 18:28 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Yesterday we found:

• 19 male and 18 female cabbage root flies (3 water traps)
• 29 bean seed flies (3 traps)
• 6 carrot flies (3 traps) in our new carrots
• 16 cabbage root fly eggs (15 cauliflower plants)
• 65 brassica flea beetles (3 traps)
• 1 pollen beetle (3 traps)
• 9 small white butterflies (3 traps)

Rosemary Collier : 08 Sep 2015 18:22 |  Comments (0) |  Close comments |  Report a problem

Aphid and Turnip yellows virus News

Brassica virus and peach potato aphid update from Wellesbourne, Warwickshire:

• 27/08-03/09/2015, no M. persicae were caught (12 yellow water traps).
• 24-27/08/2015, From the Rothamsted Insect Survey suction trap catch, no M. persicae were identified.

Brassica virus and peach potato aphid update from Kirton, Lincolnshire:

• 27/08-01/09/2015, no M. persicae were caught (12 yellow water traps).
• 1-3/09/2015, 1 individual of M. persicae was caught (12 yellow water traps). This individual was carrying TuYV.
• 24-27/08/2015, From the Rothamsted Insect Survey suction trap catch, one individual M. persicae was identified. This individual did not carry TuYV.

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 with funding from the BBSRC Horticulture And Potato Initiative (HAPI).

Press release on the new round of HAPI projects involving the University of Warwick

Diana Katschnig and Angela Hambidge, Plant-Virus Interactions Group, University of Warwick

Diana Katschnig : 08 Sep 2015 16:54 |  Tags: Aphid Tuyv |  Comments (0) |  Close comments |  Report a problem