May 19, 2015

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

Rosemary Collier : 19 May 2015 08:05 |  Comments (0) |  Report a problem

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