Preliminary study on yield and storage of fungal propagules from Verticillium lecanii (Zimmermann) Viégas
DOI:
https://doi.org/10.33885/sf.1998.3.869Keywords:
entomopathogenic fungus, preservation, propagules, Verticillium lecaniiAbstract
Verticillium lecanii was grown in solid state
culture with hidrated rice grains as well as liquid culture with both, yeast extract and glucose. The aim of the
study was to observe the type of propagules formed and their viability conservation after three, nine months
and three years of conservation in destilled water, silicagel and vermiculite at 4°C. The propagules formed
were conidia (6.8 x 106/ml) in the rice médium and blastospores (3.3 x 107/ml) in the liquid médium, after 8-10
days of incubation at 25-27°C. Viability of fungus was maintained in all tested carriers during 3 and 9
months, and those preserved in silicagel lost their viability after three years.
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