Use of biochar in substrate for in vitro growth of Trichoderma spp
DOI:
https://doi.org/10.62452/fbzv4b74Keywords:
Efficient microorganism, sustainable agriculture, synergy, colony-forming unitsAbstract
Research into different natural control mechanisms, such as the use of efficient micro-organisms (Trichoderma sp) and bio-coals, is necessary to achieve sustainable agriculture, which together can generate a synergy that benefits the soil and therefore the crops. Therefore, the objectives of the research were: To evaluate the growth of Trichoderma sp., on culture media formulated with banana biochar and cocoa biochar in the laboratory in different concentrations. The test was made up of 3 doses of biochar (1.2 g; 3.5 g; 7.5 g) obtained by pyrolysis of banana rachis residues and cocoa shells. In the laboratory, the culture medium is prepared in PDA to reproduce Trichoderma sp. at a concentration of 10*1011 UFC, which was then taken a portion to be placed in Petri dishes with the dose of biochar. The results were measured at 7-day intervals. The treatment of 3.75 gr of biocoal of cocoa was the one of greater growth its fluctuation was of 5 to 8.5 cm in 21 days from the sowing. For the medium with banana biocarbon there was no growth of Trichoderma sp
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