Variability of Pathogenicity of Fusarium spp. Originating from Maize and Wheat Grains
Varijabilnost patogenih svojstava Fusarium spp. poreklom iz zrna kukuruza i pšenice
Pregled/ Otvaranje
Autor
Tancic, Sonja
Stankovic, Slavica
Levic, Jelena
Ključne reči
FusariumMaize
Wheat
Germination
Pathogenicity
kukuruz
pšenica
klijavost
patogenost
Metadata
Prikaz svih podataka o dokumentuApstrakt
Differences in the pathogenicity of 93 isolates of seven species belonging to the genus
Fusarium (F. graminearum, F. verticillioides, F. proliferatum, F. subglutinans, F. sporotrichioides, F.
semitectum and F. equiseti), originating from maize kernels (61) and wheat grains (32), were
examined based on the germination percentage of inoculated seeds. The studied species
demonstrated inter- and intraspecies variability regarding the effects on maize seed germination. On the average, the greatest germination reduction was found in seeds inoculated
with the spore suspensions of F. sporotrichioides and F. graminearum. A similar reduction
was detected in seeds inoculated with F. proliferatum and F. subglutinans. The effect of
F. subglutinans on seed germination reduction was higher compared to the two latter species,
while the effects of F. semitectum and F. equiseti were smallest. The majority of isolates
were of moderate pathogenicity, while the lowest number of isolates was either very pathogenic
(7) or apathogenic (10). Pathogenicity of the isolates originating from wheat grains
was generally lower than the pathogenicity of isolates originating from maize kernels, with
the exception of F. sporotrichioides. Razlike u patogenost 93 izolata sedam vrsta roda Fusarium (F. graminearum, F. verticillioides,
F. proliferatum, F. subglutinans, F. sporotrichioides, F. semitectum i F. equiseti), poreklom iz
zrna kukuruza (61) i pšenice (32), proučavane su na osnovu procenta klijavosti inokulisanog
semena. Ispitivane vrste ispoljile su inter- i intraspecijsku varijabilnost u pogledu uticaja na
klijavost semena kukuruza. U proseku, najveće smanjenje klijavosti je utvrđeno kod inokulacije
semena suspenzijom spora F. sporotrichioides i F. graminearum, a zatim, približno isto,
kod inokulacija semena pomoću F. proliferatum i F. subglutinans. F. verticillioides je, u poređenju
sa ove dve poslednje vrste, značajnije uticala na smanjenje klijavosti semena, dok su najmanje
uticale vrste F. semitectum i F. equiseti. Većina izolata je bila srednje patogenosti, a najmanji
broj je bio jako patogen (7) ili apatogen (10). Izolati poreklom iz zrna pšenice bili su slabije
patogenosti od izolata poreklom iz zrna kukuruza, sa izuzetkom F. sporotrichioides.