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Efficacy of metam potassium on Fusarium oxysporum, Macrophomina phaseolina, Meloidogyne javanica, and seven weed species in microcosm experiments.
Khatri, Kshitij; Vallad, Gary; Peres, Natalia; Desaegaer, Johan; Regmi, Homan; Boyd, Nathan.
Afiliación
  • Khatri K; Horticulture Department, University of Florida, Wimauma, FL, USA.
  • Vallad G; Plant Pathology Department, University of Florida, Wimauma, FL, USA.
  • Peres N; Plant Pathology Department, University of Florida, Wimauma, FL, USA.
  • Desaegaer J; Entomology and Nematology Department, University of Florida, Wimauma, FL, USA.
  • Regmi H; Entomology and Nematology Department, University of Florida, Wimauma, FL, USA.
  • Boyd N; Horticulture Department, University of Florida, Wimauma, FL, USA.
Pest Manag Sci ; 77(2): 869-876, 2021 Feb.
Article en En | MEDLINE | ID: mdl-32946661
BACKGROUND: Metam potassium (metam-K) is a soil fumigant widely used to control plant pathogens, nematodes, and weeds in Florida plasticulture production. The objective of the study was to determine the efficacy of metam-K against Fusarium oxysporum, Macrophomina phaseolina, Meloidogyne javanica, and seven important weed species under controlled conditions. The optimal rates generated in this study provide insight into the efficacy of metam-K for field application. RESULTS: F. oxysporum and M. phaseolina were similarly sensitive toward metam-K with a 90% effective concentration (EC90 ) of 478 and 493 µmol kg-1 soil, respectively. Meloidogyne javanica was the most sensitive pest with an EC90 of 25 µmol kg-1 which is similar to previous studies. Chenopodium album was the most sensitive weed seed with an EC90 of 260 µmol kg-1 . Geranium carolinianum and Medicago lupulina were the least sensitive weed species with EC90 values of 786 and 567 µmol kg-1 , respectively. CONCLUSION: It is apparent from these results that metam-K can effectively control important pests in Florida plasticulture production systems with the correct application rate and adequate exposure of pest to the fumigant.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tylenchoidea / Fusarium Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: Pest Manag Sci Asunto de la revista: TOXICOLOGIA Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tylenchoidea / Fusarium Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: Pest Manag Sci Asunto de la revista: TOXICOLOGIA Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido