[Germination of phytopathogenic fungi conidia]. / Zakonomernosti prorastaniia konidii fitopatogennykh gribov.

The autoregulation of conidium germination in phytopathogenic micromycetes of the genera Fusarium, Botrytis, and Bipolaris was studied. It was shown that Trichoderma longibrachiatum was less competitive than Fusarium oxysporum after their simultaneous inoculation but inhibited the phytopathogen growth in the case of earlier introduction. In the latter case, no autoinhibition of the germination of F. oxysporum conidia occurred; moreover, cooperative effect was observed, i.e., the number of germinated F. oxysporum conidia increased with an increase in their density.

[Autoregulation of conidium germination in micromycetes of the genus Trichoderma]. / Autoreguliatsiia prorastaniia konidii mikromitsetov roda Trichoderma.

The amount of germinated conidia of microcytes belonging to the genus Trichoderma considerably decreased with an increase in the population density. Strains exhibited different ecological strategies. The maximum number of germinated conidia (30-70%) was recorded when the average distance between conidia was 50 microns.