All entries for October 2016
October 31, 2016
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 |
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10/10-16/10/2016 |
Suction trap |
3 |
0% |
13/10-20/10/2016 |
Yellow water traps |
6 |
50% |
Kirton, Lincolnshire |
|||
10/10-16/10/2016 |
Suction trap |
1 |
100% |
Leverton, Lincolnshire |
|||
14/10-20/10/2016 |
Yellow water traps |
0 |
0% |
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.
October 28, 2016
Pest update from Wellesbourne
On 3 sticky traps:
- Carrot fly = 204
In 3 water traps:
- Cabbage root fly males = 2
- Cabbage root fly females = 0
- Bean seed flies = 12
- Flea beetles = 0
- Pollen beetles = 0
- Small white butterfly = 0
- Large white butterfly = 0
- Cabbage stem weevil = 0
Cabbage root fly eggs = 0 (15 plants)
We have taken our pheromone traps down!
Summary of aphid captures by suction traps
The latest edition of the Rothamsted Insect Survey Bulletin has just been released (week ending 23 October)
October 27, 2016
Pest update for Wellesbourne on 25th October
In pheromone traps (2 per species):
- Turnip moth = 0
- Silver Y moth = 0
- Cabbage moth = 0
- Diamond-back moth = 0
On 3 sticky traps:
- Carrot fly = 129
In 3 water traps:
- Cabbage root fly males = 4
- Cabbage root fly females = 1
- Bean seed flies = 22
- Flea beetles = 0
- Pollen beetles = 0
- Small white butterfly = 0
- Large white butterfly = 0
- Cabbage stem weevil = 0
Cabbage root fly eggs = 0 (15 plants)
October 21, 2016
Pest update from Wellesbourne
In pheromone traps (2 per species):
- Turnip moth = 0
- Silver Y moth = 0
- Cabbage moth = 0
- Diamond-back moth = 0
On 3 sticky traps:
- Carrot fly = 139
In 3 water traps:
- Cabbage root fly males = 2
- Cabbage root fly females = 0
- Bean seed flies = 14
- Flea beetles = 1
- Pollen beetles = 0
- Small white butterfly = 0
- Large white butterfly = 0
- Cabbage stem weevil = 0
Cabbage root fly eggs = 2 (15 plants)
Update from the Rothamsted Insect Survey
The latest edition of the Rothamsted Aphid Bulletin (week ending 16th October) has just been released.
October 19, 2016
Pest update from Wellesbourne for Tuesday 18th October
In pheromone traps (2 per species):
- Turnip moth = 3
- Silver Y moth = 0
- Cabbage moth = 0
- Diamond-back moth = 0
On 3 sticky traps:
- Carrot fly = 239
In 3 water traps:
- Cabbage root fly males = 3
- Cabbage root fly females = 1
- Bean seed flies = 34
- Flea beetles = 1
- Pollen beetles = 0
- Small white butterfly = 0
- Large white butterfly = 0
- Cabbage stem weevil = 0
Cabbage root fly eggs = 6 (15 plants)
October 18, 2016
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 |
|||
03/10-09/10/2016 |
Suction trap |
5 |
60% |
06/10-11/10/2016 |
Yellow water traps |
1 |
0% |
11/10-13/10/2016 |
Yellow water traps |
1 |
0% |
Kirton, Lincolnshire |
|||
03/10-09/10/2016 |
Suction trap |
6 |
33% |
Leverton, Lincolnshire |
|||
06/10-10/10/2016 |
Yellow water traps |
4 |
50% |
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.
October 14, 2016
New Rothamsted Insect Survey Bulletin
A new edition of the Rothamsted Insect Survey Aphid Bulletin has been published (week ending 9th October).
Pest update from Wellesbourne – Friday 14th July
In pheromone traps (2 per species):
- Turnip moth = 5
- Silver Y moth = 0
- Cabbage moth = 0
- Diamond-back moth = 0
On 3 sticky traps:
- Carrot fly = 133
In 3 water traps:
- Cabbage root fly males = 4
- Cabbage root fly females = 3
- Bean seed flies = 16
- Flea beetles = 0
- Pollen beetles = 0
- Small white butterfly = 0
- Large white butterfly = 0
- Cabbage stem weevil = 0
Cabbage root fly eggs = 1 (15 plants)