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  1. Artikel ; Online: Growth of Zea mays innoculated with Bacillus cereus and Micromonospora echinospora at 50% of nitrogen fertilizer

    García-Radillo Pedro / Montaño-Arias Noé Manuel / Ignacio-Cruz Juan Luis / Santoyo-Pizano Gustavo / Sánchez-Yáñez Juan Manuel

    Journal of the Selva Andina Research Society, Vol 10, Iss 1, Pp 16-

    2019  Band 24

    Abstract: In México Zea mays (maize) is a crop which demands nitrogen fertilizer (NIFE) as a NH4NO3 (ammonium nitrate), in that sense hiperfertilization causes soil's lost productivity. An altemative of solution to solve this problem is the reduction and the ... ...

    Abstract In México Zea mays (maize) is a crop which demands nitrogen fertilizer (NIFE) as a NH4NO3 (ammonium nitrate), in that sense hiperfertilization causes soil's lost productivity. An altemative of solution to solve this problem is the reduction and the optimization of NIFE with inoculants based on genus and species of plant growth-promoting bacteria (PGPB). The aim of this study was to analyze the growth of Z. mays inoculated with Bacillus cereus and Micromono-spora echinospora at 50% reduced NIFE. An experimental design of randomized blocks was used with (NH4NO3) as NIFE at the dose 50% (5 g/L) for Z. mays inoculated with the PGPB: the response variables on its seed: germination percent, day to germination, its shoot and root phenology: height plant, number of leaves, and root long and biomass: aerial fresh weight, root fresh weight, aerial dry weight, root dry weight (AFW/RFW/ADW/RDW). Experimental data were analyzed by ANOVA and minimal significant difference (LSD). Results showed a positive effect of B. cereus and M. echinospora on Z. mays seed as well as at seedling and flowering stages, where Z. mays had a RDW of 3.5 g, numerical valué statistically different compared with 1.1 g of RDW of Z. mays fed with NIFE at 100% dose, not inoculated used as a relative control (RC) Those data suggested that the inoculation of Z. mays with B. cereus and M. echinospora improving radical absorption of NIFE reduce at 50%, due to PGBP were able to transform seed and root organic exudates into growth promoting vegetal compounds (GPVC) or phytohormons avoiding soil's lost productivity.
    Schlagwörter soil ; z. mays ; nitrogen fertilizer ; radical absorption ; b. cereus ; m. echinospora ; phytohormons ; Science ; Q ; Biology (General) ; QH301-705.5 ; Biochemistry ; QD415-436
    Thema/Rubrik (Code) 580
    Sprache Spanisch
    Erscheinungsdatum 2019-02-01T00:00:00Z
    Verlag Selva Andina Research Society
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  2. Artikel ; Online: Response of Glycine max to Azospirillum lipoferum y Rhizobium etli at 50% dose of nitrogen fertilizer

    Santoyo-Pizano Gustavo / Ignacio-Cruz Juan Luis / Vargas-Hernández Martha Elizabeth / Gallegos-Morales Gabriel / Sánchez-Yáñez Juan Manuel

    Journal of the Selva Andina Research Society, Vol 9, Iss 2, Pp 96-

    2018  Band 103

    Abstract: The production of Glycine max (soybean) demands nitrogenous fertilizer (NIFE), as a NH4NO3 (ammonium nitrate) to supply its N demand, which when is applied in excess causes lost soil`s productivity. An alternative for this problem is to reduce and to ... ...

    Abstract The production of Glycine max (soybean) demands nitrogenous fertilizer (NIFE), as a NH4NO3 (ammonium nitrate) to supply its N demand, which when is applied in excess causes lost soil`s productivity. An alternative for this problem is to reduce and to optimize NIFE, with inoculants based in genus and species of plant growth promoting bacteria (PGPB). The aim of this research was to analyze G. max response to Azospirillum lipoferum and Rhizobium etli at 50% dose of NIFE. In that sense experimental was conducting by 5 treatments with NIFE at 100% and 50% doses for G. max inoculated with PGPB, response was based on its phenology: plant height (PH) and root length (RL) and its biomass: shoot fresh weight (SFW), root fresh weight (RFW), shoot dry weight (SDW), root dry weight (RDW). Experimental data were analyzed by ANOVA and Tukey HSD p<0.05%. Results indicated a positive respond of G. max with A. lipoferum and R. etli at seedling level was registered 0.90 g of SDW, this numerical value was statistically different than 0.16 g of SDW of G. max not inoculating, fed with mineral solution with 100% of NIFE dose, used as relative control (RC). At level of flowering G. max responded to A. lipoferum and R. etli registered 3.17 g of RFW this numerical value was statistically different compared to 1.79 g of RFW of G. max or RC. This data suggests that the positive respond of G. max was due to both PGPB able to transform radical exudates in phytohormones to improve radical absorption of N and optimize NIFE reduced at 50% dose, showing health growing and at the same preventing soil`s lost productivity
    Schlagwörter soil ; nife ; glycine max ; azospirillum lipoferum ; rhizobium etli ; root exudates ; phytohormones ; Science ; Q ; Biology (General) ; QH301-705.5 ; Biochemistry ; QD415-436
    Thema/Rubrik (Code) 580
    Sprache Spanisch
    Erscheinungsdatum 2018-08-01T00:00:00Z
    Verlag Selva Andina Research Society
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

    Volltext online

    Zusatzmaterialien

    Kategorien

    Fernleihe an ZB MED

    Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

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