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Crop Science Abstract -

Resistance of Male Sterile Wheat to Ergot as Related to Pollination and Host Genotype1


This article in CS

  1. Vol. 16 No. 5, p. 728-730
    Received: Mar 12, 1976

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  1. L. C. Darlington and
  2. D. E. Mathre2



This study was undertaken to determine if susceptibility of cytoplasmically male sterile spring wheat (Triticum aestivum L. em Thell.) to ergot [Claviceps purpurea (Fr.) Tul.] is influenced by pollination and host genotype.

Inoculation at various times after hand pollination showed that resistance was established in some lines within a few hours after pollination. The development of resistance after pollination was more rapid in some lines than others, but most lines were nearly immune by 7 days after pollination. Inoculation of diallel crosses between lines that developed resistance quickly after pollination and those that developed resistance slowly indicated that the resistance factor was maternally controlled.

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