Imazalil concentration for in vitro monitoring of imazalil resistant isolates of Penicillium digitatum in citrus packinghouses

Dublin Core

Título

Imazalil concentration for in vitro monitoring of imazalil resistant isolates of Penicillium digitatum in citrus packinghouses

Tema

ALMACENAMIENTO DE ALIMENTOS
PENICILLIUM DIGITATUM
BIBLIOGRAFIA NACIONAL QUIMICA
2011

Abstract

The extensive use of imazalil (IMZ) in Uruguayan citrus packinghouses to control Penicillium spp. favored the selection and proliferation of resistant isolates. With the aim of detecting Penicillium digitatum biotypes that are not controlled by commercial doses of IMZ, the IMZ concentration within amended potato dextrose agar (PDA) plates was adjusted to 1.0mgL−1 IMZ. This concentration allowed the detection of resistant isolates that were not controlled by commercial applications of 3.0 g L−1 IMZ. These isolates were able to grow in fruit with IMZ residues of 0.92 and 3.08mgkg−1. Therefore, environmental monitoring of facilities where commercial dip applications containing 3.0 g L−1 IMZ are employed, should be done with 1.0mgL−1 of IMZ in Petri dishes. We can conclude that use of IMZ in postharvest applications of 3.0 g L−1 remains effective to control wild Uruguayan P. digitatum isolates but not for resistant ones. A survey of 26 P. digitatum isolates collected in Uruguay indicated IMZ resistant isolates occurred in packinghouses and not in citrus groves.

Autor

Pérez, E.
Blanco, O.
Berreta, C.
Lado, Joanna

Fuente

Postharvest Biology and Technology v. 60, no. 3, 2011. -- p. 258-262

Editor

Elsevier

Fecha

2011

Derechos

Postharvest Biology and Technology  v. 60, no. 3, 2011. -- p. 258-262

Formato

PDF

Idioma

Inglés

Tipo

Artículo

Identificador

doi:10.1016/j.postharvbio.2011.01.002
Fecha de agregación
September 18, 2013
Colección
Bibliografía Nacional Química
Tipo de Elemento
Document
Etiquetas
,
Citación
Pérez, E., “Imazalil concentration for in vitro monitoring of imazalil resistant isolates of Penicillium digitatum in citrus packinghouses,” RIQUIM - Repositorio Institucional de la Facultad de Química - UdelaR, accessed January 19, 2022, http://riquim.fq.edu.uy/items/show/946.
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