All entries for October 2017

Pest update from Wellesbourne

Between Tuesday and yesterday we found the following:

On 3 sticky traps:

• 75 carrot flies

In 3 water traps in a plot of swedes.

• 20 male cabbage root flies and 5 females
• 28 bean seed flies
• 3 pollen beetle
• 2 flea beetles

We have stopped sampling for cabbage root fly eggs.

We caught 2 silver Y moths in our pheromone traps.

Rosemary Collier : 13 Oct 2017 14:28 |  Comments (0) |  Close comments |  Report a problem

Brassica aphids and virus News

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

Angela Hambidge : 13 Oct 2017 09:48 |  Tags: Aphid Tuyv |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Between Friday and today we found the following:

On 3 sticky traps:

• 137 carrot flies

In 3 water traps in a plot of swedes.

• 44 male cabbage root flies and 4 females
• 18 bean seed flies
• 9 pollen beetles
• 1 flea beetle
• 1 cabbage stem flea beetle
• 21 cabbage stem weevils

We have stopped sampling for cabbage root fly eggs.

We caught 1 turnip moth in our pheromone traps.

Rosemary Collier : 10 Oct 2017 13:50 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Between Tuesday and yesterday we found the following:

On 3 sticky traps:

• 228 carrot flies

In 3 water traps in a plot of swedes.

• 43 male cabbage root flies and 7 females
• 48 bean seed flies
• 1 pollen beetle
• 2 flea beetles

We have stopped sampling for cabbage root fly eggs.

We caught 3 silver Y moths in our pheromone traps.

Rosemary Collier : 07 Oct 2017 12:22 |  Comments (0) |  Close comments |  Report a problem

AHDB Aphid News

The latest edition of AHDB Aphid News has just been published.

• Peach–potato aphids (Myzus persicae) were caught at twelve suction trap sites. The highest number caught was from the trap at Hereford (42).
• Mealy cabbage aphids (Brevicoryne brassicae) were caught and increasing in number at Kirton (6), Hereford (1) and Wye (4).
• The willow-carrot aphid (Cavariella aegopodii) was caught in four sites this week. Numbers have increased most noticeably at Dundee and to a lesser extent at York and Kirton . A further four male individuals were caught from Dundee this week suggesting that the autumn migration back to willows to overwinter is underway
  

Rosemary Collier : 07 Oct 2017 12:17 |  Comments (0) |  Close comments |  Report a problem

Brassica aphids and virus News

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

Angela Hambidge : 05 Oct 2017 09:00 |  Tags: Aphid Tuyv |  Comments (1) |  Close comments |  Report a problem

Update from Wellesbourne

Between Friday and today we found the following:

On 3 sticky traps:

• 200 carrot flies

In 3 water traps in a plot of swedes.

• 28 male cabbage root flies and 8 females
• 27 bean seed flies
• 1 pollen beetle
• 1 flea beetle
• 2 cabbage stem weevils

We recovered 0 cabbage root fly eggs from the soil around 15 cauliflower plants.

We caught 2 turnip moths and 2 silver Y moths in our pheromone traps.

Rosemary Collier : 04 Oct 2017 05:45 |  Comments (0) |  Close comments |  Report a problem