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Home → Publications → Forest Nursery Notes → 2009 Winter Forest Nursery Notes → 2009 Winter Forest Nursery Notes - New Nursery Literature → Economic Evaluation of Methyl Bromide Alternatives for the Production of Tomatoes in North Carolina

Economic Evaluation of Methyl Bromide Alternatives for the Production of Tomatoes in North Carolina

Sydorovych, O., Safley, C. D., Welker, R. M., and Ferguson, L. M. HortTechnology 18(4):705-713. 2008.

Partial budget analysis was used to evaluate soil treatment alternatives to methyl bromide (MeBr) based on their efficacy and cost-effectiveness in the production of tomato (Solanum lycopet"Sicum). The analysis was conducted for the mountain tomato production region based on 6 years of field test data collected in Fletcher NC. Fumigation alternatives evaluated included 61.1% 1,3-dichloropropene + 34.7% chloropicrin (Tdone-C35TM), 60.8% 1,3-dichloropropene + 33.3% chloropicrin (InLine), 99% chloropicrin (Chlor-o-pic), 94% chloropicrin (TriClor EC), 42% metamsodium (4.26lb/gal a.i., Vapam), and 50% iodomethane +50% chloropicrin (Midas). The MeBr formulation was 67% methyl bromide and 33% chloropicrin (Terr-0-Gas). Chloropicrin applied at 15 gal/acre provided the greatest returns with an additional return of $907 /acre relative to MeBr. Telone-C35 provided an additional return of$848/ acre and drip-applied metam sodium provided an additional return of $137 /acre. The return associated with broadcast applied metam sodium was about equal to the estimated return a grower would receive when applying Mc:Br. Fumigating with a combination of chloropicrin and metam sodium; shank-applied chloropicrin at 8 gal/acre; drip-applied chloropicrin, Midas, or InLine; and the nonfumigated soil treatment all resulted in projected losses of $156/acre, $233/acre, 422/acre, $425/acre, $604/acre, and $2133/acre, respectively, relative to MeBr. Although technical issues currently associated with some of the Me.Br alternatives may exist, results indicate that there are economically feasible fumigation alternatives to MeBr for production of tomatoes in North Carolina.


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Author(s): Olha Sydorovych, Charles D. Safley, Rob M. Welker, Lisa M. Ferguson, David W. Monks, Katie Jennings, Jim Driver, Frank J. Louws

Section: Pest Management