All entries for Friday 28 June 2019

Pest update from Wellesbourne

When the water traps in the swede plot were checked today there were:

• 7 male and 10 female cabbage root flies
• 30 bean seed flies
• 0 flea beetles
• Approx 4,300 pollen beetles
• 1 cabbage stem weevil
• 2 cabbage stem flea beetles
• 0 cabbage seed weevils
  

There were 5 carrot flies on the 3 sticky traps in the new plot for 2019.

64 cabbage root fly eggs were laid between 25 and 28 June (around 15 plants).

3 diamond-back moths and 3 turnip moths were captured. No moths were captured in our other pheromone traps (silver Y moth, cabbage moth). There are 2 traps for each species.

We also caught 4 diamond-back moths on 2 carrot fly traps in the swede plot and are baited with a pheromone lure (experimental).

Rosemary Collier : 28 Jun 2019 16:48 |  Comments (0) |  Close comments |  Report a problem

AHDB Aphid News

The latest edition of AHDB Aphid Newshas been released for the week ending 23rd June.

• Peach–potato aphids increased to around 150% of last week, with hotspots at Kirton and Wellesbourne.
• Potato aphid numbers have increased to nearly 175% of last week across Britain, apart from four sites.
• Cabbage aphids increased at four sites.
• Single currant–lettuce aphids were caught at Dundee, Gogarbank and Silwood Park. Four were found at Rothamsted.
• Willow–carrot aphids increased to around 245% of last week across much of England.
• Pea aphid numbers doubled across six sites this week, reaching double figures at three.
• Black bean aphid numbers have substantially increased from Starcross up to Preston this week, with a hotspot at Rothamsted.

Rosemary Collier : 28 Jun 2019 16:04 |  Comments (0) |  Close comments |  Report a problem