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Performance of Leverage in the Southeast

H. S. Young and S. N. Brown


 
ABSTRACT

After receiving a cotton registration in mid-1999, Leverage was evaluated on-farm by consultants at 15 sites in Georgia and Alabama. Against late season aphids not controlled by an epizootic, Leverage outperformed the commercial standard Capture. In an unanticipated aphid infestation in a plant bug trial, Leverage exhibited a high level of activity with Steward, Tracer and Lorsban offering moderate to poor activity. In Hawkinsville, GA, plant bug control was 92% after 2 applications and 100% after the third. This equalled Steward while Tracer and Tracer + Lorsban had no impact on plant bugs. In Prattville, AL, a dirty bloom measurement for plant bugs showed a Leverage advantage over Provado, Karate and Bidrin. In Tifton, GA, Leverage provided plant bug control comparable to pyrethroids at 3DAT and superior at 6DAT. The impact of Leverage on minute pirate bug paralleled Provado and Steward as opposed to the complete population elimination from pyrethroids. In Moultrie, GA, Leverage out-yielded Decis (69 lbs. lint/A) in replicated stink bug trials. Leverage Suppression of Whitefly was better than Endosulfan/Impede followed by Endosulfan/Karate.



Reprinted from Proceedings of the 2000 Beltwide Cotton Conferences pp. 1185 - 1188
©National Cotton Council, Memphis TN

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Document last modified Saturday, Jun 17 2000