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Agronomy Journal Abstract -

Restricted Rooting Decreases Tillering and Growth of Winter Wheat1


This article in AJ

  1. Vol. 76 No. 5, p. 861-863
    Received: Sept 19, 1983

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  1. Curt M. Peterson,
  2. Betty Klepper,
  3. F. V. Pumphrey and
  4. Ron W. Rickman2



Winter wheat [Trificum aestivum (L.) em Thell. CY. Stephens] seedling growth and development were observed for plants grown in a greenhouse in 1.65 × 10 ‒4m3 or 3.40 × 10 ‒3m3 of potting soil to determine the effect of restricted root development on plant growth with adequate water and minerals supplied. Plants grown in a smaller volume of soil were significantly reduced in size as measured by number of leaves and culms/plant, main stem height, and final dry weight/plant. These results suggest that confining roots to a small volume of rooting medium will in itself limit coordination of plant growth in an otherwise suitable environment.

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