Soil fumigant, mulch type, and herbicide treatments affect pepper yield and vigor, and control of nutsedge and root-knot nematode

Robert C. Hochmuth, Wanda L. Laughlin, Scott S. Kerr, Lei Lani Davis, Eric H. Simonne, William M. Stall, Carlene A. Chase, Anthony W. Weiss, Jerry Nance, John Mirusso

Abstract


Purple nutsedge (Cyperus rotundus L.) and root-knot nematodes (Meloidogyne spp.) are serious pests in vegetable production in Florida. Soil fumigation with methyl bromide in plasticulture systems has traditionally provided excellent control of these pests. This trial was conducted to evaluate alternative soil fumigants, methods of application, and other cultural practices as possible replacements to methyl bromide due to the reduced availability and increased cost of methyl bromide. Plots were established in a Lakeland fine sand at the UF/IFAS North Florida Research and Education Center-Suwannee Valley, near Live Oak, Florida. in the fall of 2003. Five soil fumigant treatments, two plastic mulches, and two herbicide treatments were used in the study. Pepper (Capsicum annuum) yield and vigor was affected by soil fumigation and mulch treatment. Purple nutsedge populations were affected by soil fumigation, mulch type, and herbicide treatment. Rootknot nematode populations were affected by soil fumigation treatment, but not mulch type or herbicide treatment.

Keywords


cyperus rotundus; capsicum annuum; methyl bromide alternatives; plasticulture; soil fumigation; virtually impermeable film

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Proc. Fla. State Hort. Soc.     ISSN 0886-7283