Mycobiology.  2000 Jun;28(2):70-75.

Characteristics of Double Fungicide Resistant Strains of Venturia inaequalis

Affiliations
  • 1Centre for Advanced Studies in Botany, University of Madras, Guindy Campus 600 025, Madras, India.

Abstract

Penconazole-resistant and cabendazim-resistant mutants of Venturiu inaequalis were developed by chemical (MNNG) mutagenesis. Protoplasts of these mutants were isolated and fused using polyethylene glycol as the fusogen. Fusants were classified into parental, non-parental and recombinant types. The recombinants were resistant to penconazole and carbendazim. The double resistant strains were stable and exhibited pathogenicity on fungicide-sprayed and unsprayed apple twigs.

Keyword

Fungicide resistance; Venturiu inaequalis; Protoplast fusion; Carbendazim; Penconazole

MeSH Terms

Humans
Mutagenesis
Parents
Polyethylene Glycols
Protoplasts
Virulence
Polyethylene Glycols
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