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ARS Home » Southeast Area » Fort Pierce, Florida » U.S. Horticultural Research Laboratory » Subtropical Plant Pathology Research » Research » Publications at this Location » Publication #152262
Title: EFFICACY OF BROADCAST TELONE C-35 IN TOMATO

Author
item GILREATH, J. P. - UNIV. OF FLORIDA
item MIRUSSO, J. M. - MIRUSSO FUMIGATION
item JONES, J. P. - UNIV. OF FLORIDA
item Rosskopf, Erin
item NOLING, J. W. - UNIV. OF FLORIDA
item GILREATH, P. R. - UNIV. OF FLORIDA

Submitted to: Methyl Bromide Alternatives and Emissions Research Conference Proceedings
Publication Type: Proceedings
Publication Acceptance Date: 11/4/2003
Publication Date: 12/1/2003
Citation: Gilreath, J., Mirusso, J., Jones, J., Rosskopf, E.N., Noling, J., Gilreath, P. 2003. Efficacy of broadcast telone c-35 in tomato. Methyl Bromide Alternatives and Emissions Research Conference Proceedings. 19-1-2.

Interpretive Summary:

Technical Abstract: Four experiments were conducted to determine the efficacy of broadcast 1,3-dichloropropene (65%) and chloropicrin (35%) mixed with pebulate and napropamide relative to in-bed applications of 1,3-dichloropropene (65%) and chloropicrin (35%) as an alternative to methyl bromide for soil fumigation in fresh market tomato production on flatwoods soils in west central Florida. 1,3-dichloropropene (65%) and chloropicrin (35%) applied in-bed was more efficacious for control of nutsedge than were broadcast treatments, unless chloropicrin was added to the bed. There was a high degree of variability within treatments and between years relative to control of Southern blight, although in-bed applications provided better control than did broadcast. The in-bed application provided control of this disease that was equivalent to methyl bromide. Fusarium wilt was controlled when additional chloropicrin was added to broadcast treatments, or when the in-bed application was used. Sting nematode was controlled by broadcast applications of 1,3-dichloropropene (65%) and chloropicrin (35%) in all but one year, but stunt nematode control with broadcast was no better than the untreated control. In-bed applications of 1,3-dichloropropene (65%) and chloropicrin (35%) resulted in tomato yields that were equivalent to methyl bromide, but broadcast applications resulted in yields that were lower than methyl bromide.