| Summary: | Root samples of cereals (oats, wheat, barley, maize and sorghum), vegetables
(garlic, onion, pepper, cucumber, pumpkin, carrot and tomato), industrial
plant (soya bean) and weeds (Johnson grass, barnyard grass and green
bristle-grass) collected in different agroecological conditions in Serbia
were analysed for the presence of Pyrenochaeta terrestris. The fungus was
found in 42 out of 51 samples (82.4%), while the incidence varied from 2.5 to
72.5%. The highest incidence was detected in cereals (average 30.3%), and
then in weeds of the Poaceae family (average 14.2%). Considering single
species, maize (up to 72.5% in root) and Johnson grass (up to 37.5%) were
mostly attacked by this fungus. The lowest incidence of the fungus was
determined in vegetable crops (average 6.7%). Red to reddish discoloration of
root was correlated with the incidence of the fungus. Obtained data indicate
that P. terrestris is widespread in Serbia and conditions for its development
are favourable. [Projekat Ministarstva nauke Republike Srbije, br. TR-31023]
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