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This article in CS

  1. Vol. 17 No. 1, p. 132-135
     
    Received: July 24, 1976


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doi:10.2135/cropsci1977.0011183X001700010035x

A Second Major Gene Locus in Corn for Chlorotic-Lesion Resistance to Helminthosporium turicum1

  1. A. L. Hooker2

Abstract

Abstract

Gene Ht2 that conditions a form of chlorotic-lesion resistance to Helminthosporium turcicum Pass, was identified in the Australian dent corn (Zea mays L.) inbred NN14. Inbred NN14 also carries a second gene at the Ht locus. The two genes are not linked. Gene Ht2 conditions a lower level of resistance than does Ht but the two genes interact together to condition a higher level of resistance than either gene alone.

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