AHDB Project FV 416b – cabbage root fly egg counts in Cornwall, 05/09/15, AHDB Horticulture Pest Blog

September 05, 2015

AHDB Project FV 416b – cabbage root fly egg counts in Cornwall

The egg counts from early July up to Monday 31st August are as follows - they show the mean numbers of eggs per plant per week found around a sample of 20 plants per location:

	Helston	Hayle	Gwithian	Truro	St Columb
06-Jul	2.3	0.55	0.4	1.8	2.6
13-Jul	3.95	0.8	0.8	12	0.45
20-Jul	1.05	0.3	1.7	1.15	0.4
27-Jul	0.45	0.65	0.05	0.4	0.95
03-Aug	1.9	1.55	0.15	0.5	1.1
10-Aug	0.55	0.95	0.35	0.35	1.55
17-Aug	0.3	0.84	0.1	0.1	1.9
24-Aug	0.05	0.37	0.05	0.15	1.8
31-Aug	0	0.21	0.05	0.25	0.45

Rosemary Collier : 05 Sep 2015 12:42 | Comments (0) | Report a problem

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