All entries for September 2015

Pest update from Wellesbourne

Today we found:

• 19 male and 11 female cabbage root flies (3 water traps)
• 32 bean seed flies (3 traps)
• 7 carrot flies (3 traps)
• 139 cabbage root fly eggs (15 cauliflower plants)
• 39 brassica flea beetles (3 traps)
• 46 small white butterflies (3 traps)

Rosemary Collier : 15 Sep 2015 18:04 |  Comments (0) |  Close comments |  Report a problem

Update on Rothamsted suction trap captures

The latest edition of the Rothamsted Suction Trap Bulletin is attached and relates to the week ending 6 September. In general the numbers of aphid species important to vegetable and salad crops are low.

bulletin_22_2015.pdf

Rosemary Collier : 12 Sep 2015 07:07 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Yesterday we found:

• 18 male and 14 female cabbage root flies (3 water traps)
• 48 bean seed flies (3 traps)
• 10 carrot flies (3 traps)
• 37 cabbage root fly eggs (15 cauliflower plants)
• 58 brassica flea beetles (3 traps)
• 1 pollen beetle (3 traps)
• 42 small white butterflies (3 traps)

Rosemary Collier : 12 Sep 2015 07:05 |  Comments (0) |  Close comments |  Report a problem

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

Update on Rothamsted suction trap captures

The latest edition of the Rothamsted Suction Trap Bulletin is attached and relates to the week ending 30 August. In general the numbers of aphid species important to vegetable and salad crops are low.

bulletin_21_2015.pdf

Rosemary Collier : 06 Sep 2015 15:00 |  Comments (0) |  Close comments |  Report a problem

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

The egg counts from early July up to Monday 31st 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 : 05 Sep 2015 12:42 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Yesterday we found:

• 9 male and 12 female cabbage root flies (3 water traps)
• 12 bean seed flies (3 traps)
• 8 carrot flies (3 traps) in our new carrots
• 36 cabbage root fly eggs (15 cauliflower plants)
• 24 brassica flea beetles (3 traps)
• 14 small white butterflies (3 traps)

Rosemary Collier : 05 Sep 2015 12:25 |  Comments (0) |  Close comments |  Report a problem

Aphid and Turnip yellows virus News

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

• 20-27/08/2015, no M. persicae were caught (12 yellow water traps).
• 17-23/08/2015, From the Rothamsted Insect Survey suction trap catch, no M. persicae were identified.

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

• 20-27/08/2015, no M. persicae were caught (12 yellow water traps).
• 17-23/08/2015, 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 : 02 Sep 2015 08:39 |  Tags: Aphid Tuyv |  Comments (0) |  Close comments |  Report a problem