Antifungal activity of chitosan on mycelial growth and sporulation of the Pyricularia grisea Sacc. fungus

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Anayza Echevarría Hernández

Abstract

The work was made in the Plant Phytopathology
Laboratory belonging to the Scientific and Technological Base
Unit Base Los Palacios. The aims of this research was to
evaluate the antifungal activity of four chitosan formulates Q
(100, 500, 1000 mg.L-1) y chitosan and copper (QCu-100 mg.L-1)
on the mycelial growth and in vitro sporulation rate of
Pyricularia grisea Sacc fungus. Results showed that
1000 mg.L-1 chitosan and QCu-100 mg.L-1 had the greatest
inhibitory effect on four day with 27 y 30 %, respectively.
However fungal sporulation was inhibited in 100 % by el QCu,
while Q 100 y Q 500 had inhibitory percentages between 80 y
96 % on center and peripheral zones respectively. In addition,
Q-l000 mg.L-1 chitosan had not a noticeable effect on fungal
sporulation.

Article Details

How to Cite
Echevarría Hernández, A. (2012). Antifungal activity of chitosan on mycelial growth and sporulation of the Pyricularia grisea Sacc. fungus. Cultivos Tropicales, 33(3), 80–84. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/172
Section
Original Article

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