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Scientia fungorum

On-line version ISSN 2594-1321


JARAMILLO MEJIA, Santiago  and  ALBERTO, Edgardo. Productivity increase in the cultivation of Pleurotus ostreatus by the use of inoculum as supplement. Sci. fungorum [online]. 2019, vol.49, e1243.  Epub June 29, 2019. ISSN 2594-1321.


To increase profitability, it can be obtained by increasing yields, productivity or both, and in this way to obtain more fungi with the same effort.


To seek for the optimal inoculation rate to increase the productivity of the culture of a highly productive commercial strain of Pleurotus ostreatus.


Wheat straw was used as a substrate; bags of 1 kg wet weight were inoculated with different percentages of inoculum (produced on sorghum) varying from 1 to 16.6 %.

Results and conclusions:

Fruit bodies were obtained in all treatments; the incubation time was reduced by one week inoculating at 13 and 16.6 %. We observed an enhance in yields as the percentage of inoculum increased. The highest biological efficiency percentages were reached in the samples inoculated with 13 and 16.6 %, obtaining values of 116.08 and 116.04 % respectively, without showing significant differences between them even though there were differences among treatments. The number of growing cycles per year was increased to 5.5 inoculating to 13-16.6 %. When we evaluated the total kilograms produced in one year and compared them with the cost of the inoculum, the economic balance showed that by using a percentage of 13 %, the producer doubled his profits.

Keywords : spawn; edible mushrooms; productivity; oyster mushroom.

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