Toward a new concept of the evolution of symbiotic nitrogen fixation in the Leguminosae

@article{Bryan2004TowardAN,
  title={Toward a new concept of the evolution of symbiotic nitrogen fixation in the Leguminosae},
  author={James A. Bryan and Graeme Pierce Berlyn and John C. Gordon},
  journal={Plant and Soil},
  year={2004},
  volume={186},
  pages={151-159}
}
It is generally believed that only the nodulating species of the Leguminosae fix atmospheric nitrogen; however, anatomical, ecological and taxonomic considerations indicate that non-nodulating legume species may also fix nitrogen. To test whether nitrogen-fixing symbioses in the Leguminosae might extend to the non-nodulating species, a survey of the Leguminosae was conducted: living plants of non-nodulating species were assayed using acetylene reduction. Ethylene evolution, indicating apparent… Expand

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