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tion increases to where activity is noticeable, flower heads with their weevil passengers can be transported to other sites.
In addition to regular releases, DeOms said that Warren County plans to develop five one-acre test plot areas where the growth in weevil population can be closely monitored and studied in relation to the lower incidence of thistles. DeOms hopes that this will give the experiments a degree of validity that will gain the weevil widespread acceptance as a solution to the area thistle problem.
RAPPAHANNOCK extension agent Rapley Owings said that thistles aren’t a major concern in
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