The response of rice plants to inoculation with an arbuscular mycorrhizal (AM) fungus, Azospirillum brasilense, or combination of both microorganisms, was assayed under well-watered or drought stress conditions. Water deficit treatment was imposed by reducing the amount of water added, but AM plants, with a significantly higher biomass, received the same amount of water as non-AM plants, with a...

ABSTRACT Although the isolated effects of cyanobacteria Anabaena cylindrica and bacteria Azospirillum brasilense are well-known, co-inoculation both can promote other benefits to corn plants’ biological nitrogen fixation growth. The aim was evaluate initial growth chloroplast pigment levels hybrids co-inoculated with A. cylindrica. experiment conducted in greenhouse conditions using completely ...

Inoculation with Azospirillum brasilense Cd of two leguminous species, soybean (Glycine max) and cowpea (Vigna unguiculata), demonstrated that: (1) A. brasilense significantly increased proton efflux from their roots; (2) inoculation reduced plant membrane potential (in soybean), (3) inoculation changed the phospholipid quantity in plant membranes of calli (in cowpea), and (4) a low molecular w...

The plant growth-promoting soil bacterium Azospirillum brasilense enhances growth of economically important crops, such as wheat, corn and rice. In order to improve plant growth, a close bacterial association with the plant roots is needed. Genes encoded on a 90-MDa plasmid, denoted pRhico plasmid, present in A. brasilense Sp7, play an important role in plant root interaction. Sequencing, annot...

Nitrogenase activity (C2H2 reduction) was demonstrated in seedlings of wheat roots bearing para-nodules induced by 2,4-dichlorophenoxyacetic acid (2,4-D) and inoculated with Azospirillum brasilense. Increased nitrogenase activity was observed in inoculated para-nodulated seedlings as compared to inoculated roots not treated by 2,4-D under the conditions of assay used. 2,4-D had no stimulating e...

Abstract The objective of this work was to evaluate the agronomic performance corn (Zea mays) grown single and intercropped with Urochloa ruziziensis in succession soybean (Glycine max) inoculated Bradyrhizobium japonicum, as well inoculation reinoculation Azospirillum brasilense, two contrasting soils. experiment carried out crop years, a randomized complete block design, 2x2x3 factorial arran...

recently, using the source of organic fertilizers and biofertilizers in sustainable crop production is growing. in order to evaluate the effect of organic compounds, biofertilizers and chemical fertilizer on morphological properties, yield and yield components of forage sorghum (sorghum bicolor) a field experiment was conducted in the research farm, college of agriculture, ferdowsi university o...

Azospirillum brasilense, a plant-growth-promoting rhizobacterium, is exposed to changes in its abiotic environment, including fluctuations in temperature, salinity, osmolarity, oxygen concentration and nutrient concentration, in the rhizosphere and in the soil. Since extra-cytoplasmic function (ECF) sigma factors play an important role in stress adaptation, we analysed the role of ECF sigma fac...

The objective was to evaluate the inoculation, co-inoculation with bacteria B. japonicum and A. brasilense in combination application of N doses on agronomic characteristics soybean. design used randomized blocks a 4x4 factorial scheme, four types inoculation (absence bacteria, brasilense) (0 % = 0; 2 4.5; 4 9 8 18 kg ha-1), replications. increasing above 2% promoted reduction number nodules fo...