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Paecilomyces lilacinus, a potential biocontrol agent on apple rust mite Aculus schlechtendali and interactions with some fungicides in vitro

Phytoparasitica, ISSN: 0334-2123, Vol: 38, Issue: 2, Page: 125-132
2010
  • 17
    Citations
  • 0
    Usage
  • 11
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    17
    • Citation Indexes
      16
    • Patent Family Citations
      1
      • Patent Families
        1
  • Captures
    11

Article Description

The apple rust mite Aculus schlechtendali (Nal.) (Acari: Eriophyidae), is a main pest in apple-growing areas in Ankara, Turkey, and chemical control applications have some limitations. Entomopathogenic fungi have a potential for biological control of mites. In this study, an entomopathogenic fungus, Paecilomyces lilacinus (Thom) Samson (Deuteromycota: Hyphomycetes), was first isolated from the mite cadavers on Japanese crab apple leaves and pathogenicity of the fungus was observed in different inoculum densities and relative humidities. The pathogen caused up to 98.22% mortality of the mite population. The effects of some fungicides on the entomopathogenic fungus were determined in in vitro studies. Carbendazim, penconazole and tebuconazole were the most effective fungicides on mycelial growth of P. lilacinus, with EC values under 3 μg ml. In spore germination tests, captan, mancozeb, propineb were the most effective fungicides, followed by tebuconazole, penconazole, nuarimol and chlorothalonil. Sulphur could not inhibit the conidia germination totally at 5,000 μg ml. Copper oxychloride and fosetyl-al prevented conidia formation at concentrations above 1,000 μg ml. © 2010 Springer Science + Business Media BV.

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