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

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 thym...

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Bibliographic Details
Published inPlant protection science Vol. 54; no. 3; pp. 153 - 162
Main Authors Sarkhosh, Ali, Schaffer, Bruce, Vargas, Ana I., Palmateer, Aaron J., Lopez, Patricia, Soleymani, Asiye
Format Journal Article
LanguageEnglish
Published Prague Czech Academy of Agricultural Sciences (CAAS) 01.01.2018
Czech Academy of Agricultural Sciences
Subjects
Botryosphaeria
Carvacrol
Cinnamon
Colletotrichum
Constituents
Essential oils
Eucalyptus
fruit rots
Fruits
Fungicides
Fusarium
mycelium growth
natural fungicides
Oils & fats
Phytophthora
Plant extracts
Plant species
satureja khuzistanica
Thyme
Thymol
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Summary: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.
ISSN:1212-2580
1805-9341
DOI:10.17221/49/2017-PPS