All entries for Thursday 24 August 2017

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 : 24 Aug 2017 15:11 |  Tags: Aphid Tuyv |  Comments (1) |  Close comments |  Report a problem

Pest update from Wellesbourne

Between last Friday and Tuesday 22nd August we found the following.

On 3 sticky traps:

• 4 carrot flies

In 3 water traps in a plot of swedes.

• 246 male cabbage root flies and 76 females
• 68 bean seed flies
• 3 pollen beetles
• 33 flea beetles
• 1 cabbage stem weevil
• 1 cabbage stem flea beetle

We also recovered 31 cabbage root fly eggs from the soil around 15 cauliflower plants (new plants).

We caught no moths in our pheromone traps.

Rosemary Collier : 24 Aug 2017 06:43 |  Comments (0) |  Close comments |  Report a problem