Effects on plant growth produced by Azotobacter paspali related to synthesis of plant growth regulating substances.

@article{Barea1974EffectsOP,
  title={Effects on plant growth produced by Azotobacter paspali related to synthesis of plant growth regulating substances.},
  author={Jos{\'e} Miguel Barea and Margaret Ellen Brown},
  journal={The Journal of applied bacteriology},
  year={1974},
  volume={37 4},
  pages={
          583-93
        }
}
Summary. Treating seedling roots of several plant species with cultures of Azotobacter paspali changed plant growth and development and significantly increased weight of leaves and roots; effects were probably caused by plant growth regulators. Culture supernatant fluids contained indolyl-3-acetic acid, at least 3 gibberellins and 2 cytokinins. The added inoculum of A. paspali survived in plant rhizospheres for only a few weeks and no nitrogen was fixed in the root zone of young Paspalum… CONTINUE READING

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