All entries for August 2015

Update on Rothamsted suction trap captures

The latest edition of the Rothamsted Suction Trap Bulletin is attached and relates to the week ending 23 August. In general the numbers of aphid species important to vegetable and salad crops are low. bulletin_20_2015.pdf

Rosemary Collier : 28 Aug 2015 12:18 |  Comments (0) |  Close comments |  Report a problem

Aphid and Turnip yellows virus News

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

• 17-20/08/2015, 1 individual of M. persicae was caught (12 yellow water traps), this individual was not carrying TuYV.
• 10-16/08/2015, From the Rothamsted Insect Survey suction trap catch, no M. persicae were identified.

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

• 17-20/08/2015, no M. persicae were caught (12 yellow water traps).
• 10-16/08/2015, From the Rothamsted Insect Survey suction trap catch, no M. persicae were identified.

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

Angela Hambidge : 26 Aug 2015 08:41 |  Tags: Aphid Tuyv |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Today we found:

• 71 male and 79 female cabbage root flies (3 water traps)
• 52 bean seed flies (3 traps)
• 17 carrot flies (3 traps) in our new carrots
• 501 cabbage root fly eggs (15 cauliflower plants)
• 52 brassica flea beetles (3 traps)
• 2 pollen beetles (3 traps)
• 1 cabbage stem weevil (3 traps)
• 32 small white butterflies (3 traps)
• 1 large white butterfly (3 traps)

Rosemary Collier : 25 Aug 2015 15:57 |  Comments (0) |  Close comments |  Report a problem

Updated aphid bulletins

The latest edition of the Rothamsted Suction Trap Bulletin is attached and relates to the week ending 16 August. In general the numbers of aphid species important to vegetable and salad crops are low.

bulletin_19_2015.pdf

Rosemary Collier : 21 Aug 2015 16:31 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Today we found:

• 26 male and 20 female cabbage root flies (3 water traps)
• 38 bean seed flies (3 traps)
• 23 carrot flies (3 traps) in our new carrots
• 178 cabbage root fly eggs (15 cauliflower plants)
• 31 brassica flea beetles (3 traps)
• 1 pollen beetle (3 traps)
• 3 cabbage stem weevils (3 traps)
• 21 small white butterflies (3 traps)

Rosemary Collier : 21 Aug 2015 16:28 |  Comments (0) |  Close comments |  Report a problem

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

The egg counts up to Monday 17th August are as follows - they show the mean numbers of eggs per plant per week found around a sample of 20 plants per location:

Rosemary Collier : 19 Aug 2015 16:14 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Today we found:

• 61 male and 28 female cabbage root flies (3 water traps)
• 44 bean seed flies (3 traps)
• 29 carrot flies (3 traps) in our new carrots
• 163 cabbage root fly eggs (15 cauliflower plants)
• 51 brassica flea beetles (3 traps)
• 2 pollen beetles (3 traps)
• 3 cabbage stem weevils (3 traps)
• 8 small white butterflies (3 traps)
• 3 turnip moths (2 traps)

Rosemary Collier : 18 Aug 2015 17:06 |  Comments (0) |  Close comments |  Report a problem

Aphid and Turnip yellows virus News

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

• 6-10/08/2015, 3 individuals of M. persicae were caught (12 yellow water traps), these individuals were not carrying TuYV.
• 3-9/08/2015, From the Rothamsted Insect Survey suction trap catch, no M. persicae were identified.

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

• 6-10/08/2015, 2 individuals of M. persicae were caught (12 yellow water traps), one of these was carrying TuYV.
• 3-9/08/2015, From the Rothamsted Insect Survey suction trap catch, no M. persicae were identified.

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 : 18 Aug 2015 16:53 |  Tags: Aphid Tuyv |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Today we found:

• 15 male and 6 female cabbage root flies (3 water traps)
• 67 bean seed flies (3 traps)
• 23 carrot flies (3 traps) in our new carrots
• 85 cabbage root fly eggs (15 cauliflower plants)
• 27 brassica flea beetles (3 traps)
• 5 pollen beetles (3 traps)
• 7 cabbage stem weevils (3 traps)
• 6 large white butterflies (3 traps)
• 14 small white butterflies (3 traps)
• 2 turnip moths (2 traps)
• 1 diamond-back moth (2 traps)

Rosemary Collier : 14 Aug 2015 17:21 |  Comments (1) |  Close comments |  Report a problem

Updated aphid bulletins

The latest editions of the Rothamsted Suction Trap Bulletin and AHDB Aphid News are attached and relate to the week ending 9 August. In general the numbers of aphid species important to vegetable and salad crops are low.

ahdb-aphid-news-1-.pdf bulletin_18_2015.pdf

Rosemary Collier : 14 Aug 2015 17:18 |  Comments (0) |  Close comments |  Report a problem