alexa Production of spores of Trichoderma harzianum on sugar cane molasses and bagasse pith in solid state fermentation for biocontrol
Agri and Aquaculture

Agri and Aquaculture

Journal of Fertilizers & Pesticides

Author(s): RodrguezLen, Jose A Domenech, F Len, M Mndez, T Rodrguez

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solid state fermentation was carried out for the production of spores from trichoderma harzianum no 53 using sugar cane bagasse pith as solid matrix and sugar cane molasses as carbon and energy source. different nitrogen sources such as urea, (nh4)2so4 , nh4h2po4 and (nh4)2hpo4 were added in the media to test their effect on spores production. among these, urea was found most useful that resulted high no of spores (1x109/gdm). the influence of temperature and initial moisture of the substrate was studied through a 22 experimental plan design. no statistical differences were found within the range of 30-35oc and 60-70% for temperature and moisture respectively. the biotechnological parameters of the process were derived from the oxygen uptake rate (our) pattern, which corresponded to the order of 109spores/g moist material. the specific growth rate, maintenance coefficient and the yield based on o2 consumption were 0.108 h-1, 0.001 g.o2/g.biomass.h and 2.7 g biomass/g o2 consumed, respectively.

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This article was published in Brazilian Archives of Biology and Technology and referenced in Journal of Fertilizers & Pesticides

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