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23 February 2016 Evaluation of aminocyclopyrachlor applied alone and in combination with registered herbicides for crop tolerance and weed control in wild blueberry (Vaccinium angustifolium Ait.).
Scott N. White, Nathan S. Boyd, Rene C. Van Acker
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Abstract

The pyrimidine herbicide aminocyclopyrachlor was evaluated for crop tolerance and weed control in wild blueberry (Vaccinium angustifolium Aiton). Preemergence applications of aminocyclopyrachlor at a rate of 50 g a.i. ha-1 did not reduce aboveground blueberry biomass, yield potential, or final yield, and this rate appears safe for use in wild blueberry. Preemergence applications of aminocyclopyrachlor at a rate of 100 g a.i. ha-1 reduced aboveground blueberry biomass, but yield potential and final yield were only reduced significantly at application rates of 200 and 400 g a.i. ha-1. Preemergence applications of aminocyclopyrachlor at a rate of 100 g a.i. ha-1 effectively suppressed Euthamia graminifolia (L.) Nutt., and further evaluation of aminocyclopyrachlor to identify safe application timings and rates in wild blueberry is warranted. Aminocyclopyrachlor applied as a directed spot spray provided good control of several herbaceous and woody perennial weeds, and this use pattern could provide an alternative management option for many perennial weeds in wild blueberry.

Scott N. White, Nathan S. Boyd, and Rene C. Van Acker "Evaluation of aminocyclopyrachlor applied alone and in combination with registered herbicides for crop tolerance and weed control in wild blueberry (Vaccinium angustifolium Ait.).," Canadian Journal of Plant Science 96(1), 11-16, (23 February 2016). https://doi.org/10.1139/cjps-2015-0214
Received: 7 July 2015; Accepted: 1 August 2015; Published: 23 February 2016
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KEYWORDS
adventices vivaces herbacées
adventices vivaces ligneuses
Aminocyclopyrachlor
Aminocyclopyrachlor
directed spot spray
Euthamia graminifolia
Euthamia graminifolia
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