The Appearance of Dicarboximide Resistance in Alternaria Alternata in Passionfruit in South-East Queensland

The Appearance of Dicarboximide Resistance in Alternaria Alternata in Passionfruit in South-East Queensland

Isolates of A. alternata tolerant of (EC50 = 290) and sensitive to (EC50 less than or equal to 2) iprodione were recovered from lesions on passion fruit. Cross resistance to procymidone and vinclozolin was demonstrated. The tolerant isolates remained stable after 5 transfers in the absence of the fu...

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Veröffentlicht in:Australasian plant pathology 1988, Vol.17 (2), p.34-36
1. Verfasser: Hutton, DG
Format: Artikel
Sprache:eng
Schlagworte:
alternaria alternata
control de enfermedades
controle de maladies
disease control
enfermedades fungosas
fongicide
fungal diseases
fungicidas
fungicides
maladie fongique
passiflora edulis
queensland
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Zusammenfassung:Isolates of A. alternata tolerant of (EC50 = 290) and sensitive to (EC50 less than or equal to 2) iprodione were recovered from lesions on passion fruit. Cross resistance to procymidone and vinclozolin was demonstrated. The tolerant isolates remained stable after 5 transfers in the absence of the fungicide and behaved similarly to the iprodione-sensitive isolates when tested against mancozeb and copper sulphate. Both iprodione-tolerant and iprodione-sensitive isolates were pathogenic to detatched fruit. Australasian Plant Pathology 17(2) 34 - 36 Full text doi:10.1071/APP9880034 © CSIRO 1988
ISSN:0815-3191
1448-6032
DOI:10.1071/APP9880034