Screening of nutritional factors through a Plackett-Burman experimental design during the solubilization of tricalcium phosphate by Penicillium hispanicum

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dc.creatorWilberth Chan-Cupul
dc.creatorDulce Guadalupe Jiménez-Barrera
dc.creatorRoberto Lezama-Gutiérrez
dc.creatorEsaú Ruiz-Sánchez
dc.creatorOctavio Pérez-Zamora
dc.creatorMarco Tulio Buenrostro-Nava
dc.creatorGilberto Manzo-Sánchez
dc.date2019
dc.date.accessioned2026-07-07T02:34:17Z
dc.descriptionPhosphorus plays a fundamental role in plant metabolic processes. Lack of phosphorus in agricultural soils is compensated with chemical fertilizers, which increase the cost of production and contaminate the environment. One approach to avoid this situation is the use of P-solubilizing fungi as biofertilizers. In this study, the solubilization of Ca3(PO4)2 by five native soil-borne micromycetes (SBM) isolated from the rhizosphere of Carica papaya plants was evaluated. The significant nutritional factors involved in the solubilization of Ca3(PO4)2 by Penicillium hispanicum were determined through a Plackett-Burman experimental design (PBED). Both Penicillium SP1 (108.5 mg/L) and P. hispanicum (106.5 mg/L) solubilized 100% of Ca3(PO4)2 at six days of culture. All studied SBM decreased the pH of the culture medium from 4.15 (control) to <2.45. The PBED revealed that the solubilization of Ca3(PO4)2 by P. hispanicum was significantly influenced (P < 0.05) by low values of MnSO4 (0.002 g/L), (NH4)2SO4 (0.25 g/L) and pH (4.0) and a high amount of Ca3(PO4)2 (0.75 g/L). Total protein content was influenced significantly (P < 0.05) by low amounts of glucose (5.0 g/L), yeast extract (0.25 g/L), inoculum (1*105 conidia/mL) and pH (4.0) and high amounts of MgSO4 (0.15 g/L), FeSO4 (0.003 g/L) and Ca3(PO4)2 (0.75 g/L). Meanwhile, biomass production was significantly (P < 0.05) influenced by a high level of glucose (15.0 g/L) and inoculum amount (1*107 conidia/mL). In conclusion, P. hispanicum is a good candidate for further field experiments to test Ca3(PO4)2 solubilization in poor soils that lack C and N sources.
dc.formatapplication/pdf
dc.identifier0120-2812
dc.identifierhttps://www.redalyc.org/articulo.oa?id=169960781010
dc.identifierhttps://www.redalyc.org/journal/1699/169960781010/
dc.identifierhttps://www.redalyc.org/journal/1699/169960781010/html/
dc.identifierhttps://www.redalyc.org/journal/1699/169960781010/169960781010.epub
dc.identifierhttps://www.redalyc.org/journal/1699/169960781010/movil
dc.identifier10.15446/acag.v68n2.61862
dc.identifier.urihttp://hdl.handle.net/123456789/419802
dc.languageen
dc.publisherUniversidad Nacional de Colombia
dc.relationhttp://www.redalyc.org/revista.oa?id=1699
dc.rightsActa Agronómica
dc.sourceActa Agronómica (Colombia) Num.2 Vol.68
dc.subjectAgrociencias
dc.titleScreening of nutritional factors through a Plackett-Burman experimental design during the solubilization of tricalcium phosphate by Penicillium hispanicum
dc.typeartículo científico

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