International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 8, Issue:5, May, 2019

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(5): 484-494

Control of Fusarium verticillioides using Palmarosa Essential Oil (Cymbopogon martinii)
Kevison Romulo da Silva França1*, Alda Leaby dos Santos Xavier1, Flavia Mota de Figueredo Alves1, Tiago Silva Lima1, Ionaly Gomes de Araújo1, Lídia Pinheiro da Nóbrega1, Antônio Hugo Costa Nascimento2, Antônio Francisco de Mendonça Júnior3, Ana Paula Medeiros dos Santos Rodrigues4, Antônio Fernandes de Almeida5 and Tiago Augusto Lima Cardoso6
1Agroindustrial Systems, Federal University of Campina Grande, Pombal, PB, Brazil 2Environmental Engineer, Federal University of Campina Grande, Pombal, PB, Brazil 3Department of Agronomy, Rural Federal University of Pernambuco, Recife, PE, Brazil 4Postgraduate in Agronomy/Plant Protection, Rural Federal University of Semiarid, Mossoró, RN, Brazil 5Departament of Agronomy, Federal University of Campina Grande, Pombal, PB, Brazil 6Phytopathology Laboratory, Federal University of Campina Grande, Pombal, PB, Brazil
*Corresponding author

This study aimed to evaluate the fungi toxic effect of palmarosa essential oil (Cymbopogon martinii) on mycelial growth of Fusarium verticillioides in vitro and treatment of corn seeds. For the in vitro experiment the essential oil was added to the culture medium and poured into Petri dishes, using seven different oil concentrations (0.0, 0.0125, 0.025, 0.05, 0.1 and 0.2%), 0.0% was the negative control, and we used Thiram as a positive control. Discs of culture medium with fungal mycelium were inoculated into the center of the plates and incubated for seven days at 27 ± 2°C. Growth was evaluated and the percentage of mycelial growth inhibition and mycelial growth rate index were calculated. For corn seed experiment, seven different oil concentrations (0.0, 0.1, 0.2, 1.0, 3.0, 5.0, and 6.0%) were used, and 0.0% was the negative control, and Thiram the positive control. The artificial inoculation was carried out in fungi colonies and the seed sanity test performed. The percentage of seeds infected by the fungus was evaluated after seven days. Under in vitro conditions, palmarosa oil reduced the mycelial growth of F. verticillioides at all concentrations tested. The highest dose, 0.2%, totally inhibited fungus growth. In seed treatment, the oil significantly reduced the percentage of infected seeds above 3.0% of concentration.

Keywords: Alternative control, Mycelial growth, Plant diseases, Seeds pathology, Zea mays L.

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Kevison Romulo da Silva França, Alda Leaby dos Santos Xavier, Flavia Mota de Figueredo Alves,Tiago Silva Lima, Ionaly Gomes de Araújo, Lídia Pinheiro da Nóbrega, Antônio Hugo Costa Nascimento, Antônio Francisco de Mendonça Júnior, Ana Paula Medeiros dos Santos Rodrigues, Antônio Fernandes de Almeida and Tiago Augusto Lima Cardoso. 2019. Control of Fusarium verticillioides using Palmarosa Essential Oil (Cymbopogon martinii).Int.J.Curr.Microbiol.App.Sci. 8(5): 484-494. doi:
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