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This article in AJ

  1. Vol. 61 No. 3, p. 445-447
    Received: Oct 26, 1968

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Boron Tolerance of Tall Wheatgrass1

  1. Gerald E. Schuman2



The relative boron tolerance of three varieties of tall wheatgrass [Agropyron elongatum (Host) Beauv.], ‘Alkar,’ ‘Largo,’ and ‘Nebraska P. I. 98526,’ grown in nutrient cultures was determined. Alkar was also tested in soil cultures. Boron concentrations responsible for a 50% decrement in growth in nutrient cultures ranged from 33 to 38 ppm water-soluble B for the three varieties. The B level causing a 50% decrement in growth of the Alkar variety in the soil culture was 46 ppm water-soluble B in the soil solution.

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