Agriculture, Pêche et Aquaculture
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  Black Bulrush Control in Wild Blueberries

K.V. McCully1 and M.J. Melanson1
(Partner: New Brunswick Wild Blueberry Growers Association)

Abstract: A trial to evaluate various herbicides for black bulrush (Scripus atrovirens willd.) control in wild blueberries was conducted in Lynnfield, Charlotte County. Visual ratings on crop injury and bulrush control were collected on July 27 and August 28. Results indicated that the most effective treatment was Roundup applied as a wiping treatment in a 20% mix (95% control - Aug.28). Two other promising treatments included Accent +Agral 90 (78% control - Aug.28), and Ultim + Agral 90 (78%- Aug.28). Early season crop injury resulted from Basagran Forte and Laddock but injury was short-lived. Basagran Forte and Laddock + Assist also provided early season bulrush control (90% each), but bulrush recovered as the season progressed. Plots will be further evaluated in 1999 to determine effectiveness in providing long term bulrush control.

1Potato and Horticulture Branch, NBDARD, Fredericton, NB E3B 5H1

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