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Characterization of anthagonism of fungi Epicoccum nigrum and Diaporthe eres
Vemić, Aleksandar
Jovanović, Sanja
Lučić, Aleksandar
Radulović, Zlatan
Mladenović, Katarina
Rakonjac, Ljubinko
Popović, Vladan
"Fungus Diaporthe eres represents a pathogen that occurs on a large number of hosts in forestry. In order to create strategies for reduction of damages and use of ecologically justified measures of protection of this insufficiently studied complex of species, in vitro research of antagonistic activity of Epicoccum nigrum was carried out. The study of antagonism of Epicoccum nigrum and Diaporthe eres included dual cultures method. The measurement of diameter of cultures, determining of the appearance of the mycelium and the way of cultures’ reaction was carried out after 14 days. The results showed that the growth of Diaporthe eres mycelia in cultures with Epicoccum nigrum was statistically significantly smaller compared to control cultures. The cultures of Diaporthe eres were inhibited, whereby there was no overgrowth of mycelia of Diaporthe eres with mycelia of Epiccocum nigrum, which indicates that the antagonism was primarily reflected in the prevention of growth. The growth of Epicoccum nigrum was also statistically significantly smaller compared to control cultures, as well as Diaporthe eres, which indicates that the antagonism was not absolutely pronounced, and that for more pronounced inhibition of Diaporthe eres a larger quantity of mycelia is needed. Part of the cultures of Epicoccum nigrum showed forming of red pigment during reaction with the cultures of Diaporthe eres, indicating that there could be further research of its part in the antagonism process. On the other hand, clear forming of the pigment of Diaporthe eres was not recorded in dual cultures compared to control cultures. The obtained results enable the development of practical application of Epicoccum nigrum."
engleski
2024
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biological protection, dual cultures, interaction, antagonism