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In vitro evaluation of eight plant essential oils for controlling Colletotrichum, Botryosphaeria, Fusarium and Phytophthora fruit rots of avocado, mango and papaya

Author

Listed:
  • Ali Sarkhosh

    (Katherine Research Station, Department of Primary Industry and Resources, Northern Territory Government, South Stuart Highway, Katherine, Australia
    Tropical Research and Education Center, University of Florida, Homestead, USA)

  • Bruce Schaffer

    (Tropical Research and Education Center, University of Florida, Homestead, USA)

  • Ana I. Vargas

    (Tropical Research and Education Center, University of Florida, Homestead, USA)

  • Aaron J. Palmateer

    (Tropical Research and Education Center, University of Florida, Homestead, USA)

  • Patricia Lopez

    (Tropical Research and Education Center, University of Florida, Homestead, USA)

  • Asiye Soleymani

    (Department of Chemistry and Biochemistry, Florida International University, Miami, USA)

Abstract

In vitro efficacy of the essential oils extracted from eight plant species was tested at application rates of 100, 250, 500, 1000, or 2000 µl/l for controlling fruit rots. Results showed a 100% reduction of mycelium growth of Colletotrichum, Fusarium, Phytophthora, Botryosphaeria after applying thyme or savory oils at all concentrations tested. Mint and cinnamon oils inhibited mycelium growth of the five isolates at application rates of either 1000 or 2000 µl/l. Tea tree, lavender, myrtle, and eucalyptus oils were slightly effective at controlling mycelium growth of each fungus species tested. Savory oil with major constituent of carvacrol 71.2% and thyme oil with major constituent of thymol 73.3% showed the greatest potential of the essential oils tested for use as natural fungicides.

Suggested Citation

  • Ali Sarkhosh & Bruce Schaffer & Ana I. Vargas & Aaron J. Palmateer & Patricia Lopez & Asiye Soleymani, 2018. "In vitro evaluation of eight plant essential oils for controlling Colletotrichum, Botryosphaeria, Fusarium and Phytophthora fruit rots of avocado, mango and papaya," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 54(3), pages 153-162.
    • Handle: RePEc:caa:jnlpps:v:54:y:2018:i:3:id:49-2017-pps
    DOI: 10.17221/49/2017-PPS
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    Cited by:

    1. Roxana Alexandra Sabo & Csaba-Pál Racz & Ioan Oroian & Petru Burduhos & Camelia Manuela Mîrza & Claudia Balint & Cristian Mălinaș & Antonia Cristina Maria Odagiu, 2023. "Morpho-Quantitative Traits and Interrelationships between Environmental Factors and Phytophthora infestans (Mont.) de Bary Attack in Tomato," Sustainability, MDPI, vol. 16(1), pages 1-16, December.

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