The effect of phyllosphere microorganisms on the healthiness of aboveground parts of soybean (Glycine max (L.) Merrill)

Elżbieta Patkowska

Agricultural University in Lublin


The studies were conducted in the years 1998–2000 on soybean, cv. Polan. The purpose of the studies was to conduct microbiological and mycological analyses of the leaves and pods of soybean. Bacteria and fungi were obtained much more often from the diseased soybean parts as compared to the healthy ones. 778 fungi isolates were obtained as a result of the mycological analysis of the leaves and pods of soybean. Fusarium spp. and Phomopsis sojae were most frequently isolated within pathogenic fungi. Their proportion was 17.5% and 7.8% of all the fungi, respectively. On the other hand, the isolated
saprophytic fungi included for example the species from the genera of Acremonium, Cladosporium, Gliocladium, Penicillium and Trichoderma as well as Aureobasidium pullulans and Epicoccum purpurascens. Besides, about a four times lower number of antagonistic microorganisms (Bacillus spp., Pseudomonas spp., Gliocladium spp., Penicillium spp., Trichoderma spp.) was isolated from the infected soybean parts in comparison to the number of microorganisms isolated from the healthy parts. 


phyllosphere, soybean, antagonistic microorganisms, pathogenic fungi

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Elżbieta Patkowska 
Agricultural University in Lublin



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