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This article in CS

  1. Vol. 14 No. 6, p. 895-896
    Received: Apr 1, 1974

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Monogenic Resistance to Verticillium Wilt in Sunflowers1

  1. G. N. Fick and
  2. D. E. Zimmer2



Sunflower (Helianthus annuus L.) inbred lines ‘HA 89,’ ‘HA 124,’ and ‘P-21 VRI’ and their Fl hybrids were highly resistant to Verticillium wilt under field conditions. Segregation ratios from testcross and F2 populations indicated the presence of a single dominant gene for resistance in each line. Intercrosses among the resistant lines showed that the same gene conditioned resistance in the three lines.

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