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Crop Science Abstract -

Inheritance of an Induced Mutation for Bacterial Blight Resistance in Cotton1


This article in CS

  1. Vol. 18 No. 5, p. 901-903
    Received: Oct 28, 1977

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  1. L. A. Brinkerhoff,
  2. Laval M. Verhalen,
  3. Reza Mamaghani and
  4. William M. Johnson2



An induced mutation for an intermediate level of resistance to bacterial blight [Xanthomonas malvacearum (E. F. Sm.) Dows.] in cotton (Gossypium hirsutum L.) was obtained after irradiating seed of a blight-susceptible cultivar, ‘Westburn 70’, with fission neutrons. Inheritance studies indicated that the resistance was due to a single dominant gene. The mutant was not identical to B3, B4, B5, B7, or BN. Tests of homology with 12 other known bacterial blight resistance genes have not yet been conducted.

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