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Study Shows Bacterial and Yeast Endophytes From Poplar and Willow Promote Growth in Crop Plants and Grasses

Results (on Perennial Rye Grass)

Water Stress
  • Drought stressed innoculated grasses were taller than the control uninnoculated grasses that received ample water. 
  • endophyte-colonized grasses were larger than uninoculated controls, with longer and thicker roots. 
  • innoculated grass had more root mass, greater average weights, longer roots, taller shoots and survived longer when water stressed.
Nitrogen Stress
  • Innoculated grasses were significantly taller than uninnoculated controls when under nitrogen stress (1/5 dose nitrogen).
  • Innocultated grasses had the greatest root and shoot weights.
  • 425% increase in shoot weights was recorded for innoculated grasses copared to uninnoculated.

Photo credit: Bacterial and Teast Endophytes from Poplar and Willow Promote Growth in Crop Plants and Grasses by Khan et. al.

Bacterial and Yeast Endophytes from Poplar and Willow Promote Growth in Crop Plants and Grasses

Zareen Khan, Grant Guelich, Ha Phan, Regina Redman, and Sharon Doty
School of Environmental and Forest Sciences, College of the Environment, University of Washington, Seattle, WA 98195-2100, USA
Correspondence should be addressed to Sharon Doty, sldoty@uw.edu
Received 27 April 2012; Accepted 22 July 2012
Academic Editors: A. D. Arencibia, M. Chodak, E. Perez-Artes, and S. Tsushima
Copyright © 2012 Zareen Khan et al. This is an open access article distributed under the Creative Commons Attribution License,
which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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