All entries for Tuesday 19 May 2015

May 19, 2015

Pest update from Wellesbourne

Yesterday we found:

  • 1 male and 22 female cabbage root flies (3 water traps)
  • 156 bean seed flies (3 traps)
  • 124 carrot flies (3 traps) in our overwintered carrots - flies emerging from pupae in the soil
  • 100 carrot flies (3 traps) in our new carrots - flies arriving from emergence site
  • 2 flea beetles
  • 86 cabbage root fly eggs (15 cauliflower plants)

HDC project FV 416b – cabbage root fly egg counts in Cornwall

The egg counts up to Monday 18th are as follows - they show the mean numbers of eggs found around a sample of 20 plants per location:

  Helston Hayle Gwithian Truro St Columb
20-Apr 0.15 1.2 0.3 0.3 0.9
27-Apr 0.85 12 2.1 1.15 18
05-May 0.8 12.2 8.15 3.95 4.1
11-May 2.55 20.1 2.8 3.05 5.65
18-May 4.65 17.1 1.7 5.55 19.8

May 2015

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Apr |  Today  | Jun
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4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31

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