Northern Corn Leaf Blight (\u3ci\u3eHelminthosporium turcicum\u3c/i\u3e Pass.) on Susceptible and Resistant Corn

The objectives of the research reported herein were to (1) become familiar with the technique of inoculating corn with Helminthosporium turcicum, (2) become familiar with a technique of evaluating the susceptibility of corn lines to H. turcicum, (3) become familiar with plant reaction and organism development in the various types of corn and (4) evaluate Turkish corn susceptibility in relation to various types of germ plasm in American corn lines in order to assist in combating the serious disease of Northern corn left blight in Turkey. Comparative reactions of 10 Turkish, 5 multigenic resistant, 2 heterozygous monogenic resistant and 12 homozygous monogenic resistant corn lines to a Nebraska isolate of Helminthosporium turcicum Pass. (= Trichometasphaeria turcica Luttrell) was studied. Advisor: J. L. Weihing