The positive maize response to inoculation with plant growth promoting bacteria (PGPB) as Azotobacter sp and Burkholderia sp an endophytic type, are an alternative to reduced and optimize nitrogen fertilizer (NF) dose, recommended for this plant, without adversely affect its growth. The aim of this study was to analyze maize respond to inoculation with Azotobacter sp and Burkholderia sp at the dose 50% of FN. Used an experimental design of randomized blocks. By response variables: percent germination (%), the shoot and root phenology: plant height (PH), root length (RL) and biomass: shoot fresh weight (SFW) and root fresh weight (RFW), the shoot dry weight (SDW) and root dry weight (RDW). The results indicated a positive maize respond to PGPB inoculation at germination, seedling and flowering level, reached a RDW of 7.03 g, statistically significant value compared with 2.60 g of RDW non ...

Chickpea (Cicer arietinum L.) crop demands nitrogen fertilizer (NF) applied in excess caused lost soil fertility and environmental pollution. An alternative for solving this problem are: to reduce and to optimize NF in chickpea using inoculants based on plant growth promoting bacteria (PGPB) genus. Thus, the aim of this study was to analyze the response of chickpea to inoculation with Azotobacter vinelandii and Burkholderia cepacia at 50% reduced dose of NF. These PGPB were inoculated chickpea under an experimental design of randomized blocks. The response variables to measure the effect of PGPB on the legume were: the percent of germination, shoot and root phenotyping: plant height, root length and biomass: fresh and dry weight of shoot and root. Experimental data were analyzed by ANOVA and Tukey test. Results showed that a positive respond of chickpea to both PGPB on its germination as...

Bean is a legume its production requires nitrogen (N) combined as ammonium (NH4) or nitrate (NO3) and phosphates (NPF), its indiscriminate application causes soil lost productivity. An alternative solution for reducing and optimizing NPF is applying mixed inoculant which could be improved by plant growth promoting bacteria (PGPB) and mycohrrizae. The objective of this research was to analyze the response of beans to mixed inoculant Endospor 33® at 50% reduced dose of NPF. In that sense a red ferralitic soil poor in N and organic matter was used. By experimental design: 5 treatments and 6 replications. Results showed a positive bean responds achieving 100% germination at 20mg/seed with Endospor 33® at 50% NPF dose. At seedling level bean was 6.63g of total fresh weight (TFW) and 0.66g total dry weight (TDW) with the same Endospor 33® dose compared to 0.28g of TDW of bean used as relati...

The positive maize response to inoculation with plant growth promoting bacteria (PGPB) as Azotobacter sp and Burkholderia sp an endophytic type, are an alternative to reduced and optimize nitrogen fertilizer (NF) dose, recommended for this plant, without adversely affect its growth. The aim of this study was to analyze maize respond to inoculation with Azotobacter sp and Burkholderia sp at the dose 50% of FN. Used an experimental design of randomized blocks. By response variables: percent germination (%), the shoot and root phenology: plant height (PH), root length (RL) and biomass: shoot fresh weight (SFW) and root fresh weight (RFW), the shoot dry weight (SDW) and root dry weight (RDW). The results indicated a positive maize respond to PGPB inoculation at germination, seedling and flowering level, reached a RDW of 7.03 g, statistically significant value compared with 2.60 g of RDW non ...

Chickpea (Cicer arietinum L.) crop demands nitrogen fertilizer (NF) applied in excess caused lost soil fertility and environmental pollution. An alternative for solving this problem are: to reduce and to optimize NF in chickpea using inoculants based on plant growth promoting bacteria (PGPB) genus. Thus, the aim of this study was to analyze the response of chickpea to inoculation with Azotobacter vinelandii and Burkholderia cepacia at 50% reduced dose of NF. These PGPB were inoculated chickpea under an experimental design of randomized blocks. The response variables to measure the effect of PGPB on the legume were: the percent of germination, shoot and root phenotyping: plant height, root length and biomass: fresh and dry weight of shoot and root. Experimental data were analyzed by ANOVA and Tukey test. Results showed that a positive respond of chickpea to both PGPB on its germination as...

Bean is a legume its production requires nitrogen (N) combined as ammonium (NH4) or nitrate (NO3) and phosphates (NPF), its indiscriminate application causes soil lost productivity. An alternative solution for reducing and optimizing NPF is applying mixed inoculant which could be improved by plant growth promoting bacteria (PGPB) and mycohrrizae. The objective of this research was to analyze the response of beans to mixed inoculant Endospor 33® at 50% reduced dose of NPF. In that sense a red ferralitic soil poor in N and organic matter was used. By experimental design: 5 treatments and 6 replications. Results showed a positive bean responds achieving 100% germination at 20mg/seed with Endospor 33® at 50% NPF dose. At seedling level bean was 6.63g of total fresh weight (TFW) and 0.66g total dry weight (TDW) with the same Endospor 33® dose compared to 0.28g of TDW of bean used as relati...

Wheat (Triticum aestivum L) consuming requires of nitrogen fertilizer (NF), as ammonium nitrate (NH4NO3), which one in excess causes lost soil productivity. An alternative to reduce and optimize NF to wheat is to inoculate with endophytic promoting growth bacteria (EPGB), as genus Burkholderia cepacia and Gluconacetobacter diazotrophicus able to improve radical uptake of NF, its suggesting by inducing synthesis of growth promoting vegetal substances (GPVS). The aim of this research was to evaluate the inoculation of Burkholderia cepacia and Gluconacetobacter diazotrophicus on phenology and biomass of T. aestivum at 50% dose of NF. A trial in greenhouse condition was conducted inoculating seed T. aestivum´s with both EPGB by measuring its phenology: (PH) plant height, (RL) root length and biomass: total fresh weight (TFW) and dry (TDW) at seedling and flowering stages. Results showed a p...

Wheat (Triticum aestivum L) consuming requires of nitrogen fertilizer (NF), as ammonium nitrate (NH4NO3), which one in excess causes lost soil productivity. An alternative to reduce and optimize NF to wheat is to inoculate with endophytic promoting growth bacteria (EPGB), as genus Burkholderia cepacia and Gluconacetobacter diazotrophicus able to improve radical uptake of NF, its suggesting by inducing synthesis of growth promoting vegetal substances (GPVS). The aim of this research was to evaluate the inoculation of Burkholderia cepacia and Gluconacetobacter diazotrophicus on phenology and biomass of T. aestivum at 50% dose of NF. A trial in greenhouse condition was conducted inoculating seed T. aestivum´s with both EPGB by measuring its phenology: (PH) plant height, (RL) root length and biomass: total fresh weight (TFW) and dry (TDW) at seedling and flowering stages. Results showed a p...

The aim of this study was to analyze the response of P. vulgaris to single inoculation or to PGPM of dose reduced to 50% of NF. In that sense seeds of P. vulgaris were inoculated individually with B. cereus, R. etli or T. harzianum and as a PGPM consortium in a hydroponic system Leonard jars, fed with NH4NO3 (ammonium nitrate) 50%, reduced dose. Under an experimental randomized block design; response variables measured were: percentage and days to germination, plant height and root length, weight fresh/ dry air and root weight (AFW/ADW/RFW/RDW) to seedling and flowering, experimental data were validated by Tukey, p ≤ 0.05. Results showed that P. vulgaris inoculated with R. etli and T. harzianum had 100% and 95.8% germination in 4.8 and 4.5 days respectively and statistically different compared to 91.7% in 7.17 days of P. vulgaris not inoculated at 100% NF had as a Fertilizer Control (F...

The aim of this study was to analyze the response of P. vulgaris to single inoculation or to PGPM of dose reduced to 50% of NF. In that sense seeds of P. vulgaris were inoculated individually with B. cereus, R. etli or T. harzianum and as a PGPM consortium in a hydroponic system Leonard jars, fed with NH4NO3 (ammonium nitrate) 50%, reduced dose. Under an experimental randomized block design; response variables measured were: percentage and days to germination, plant height and root length, weight fresh/ dry air and root weight (AFW/ADW/RFW/RDW) to seedling and flowering, experimental data were validated by Tukey, p ≤ 0.05. Results showed that P. vulgaris inoculated with R. etli and T. harzianum had 100% and 95.8% germination in 4.8 and 4.5 days respectively and statistically different compared to 91.7% in 7.17 days of P. vulgaris not inoculated at 100% NF had as a Fertilizer Control (F...