Abstract

Corn hybrid A632×A619 was planted in 1985 on 0.6 ha, and plants were inoculated 6 wk later with Exserohilum turcicum race 2. A severe epidemic of northern corn leaf blight developed. Three tillage treatments, ridge-till, mulch-till, and no-till, were established, and three corn hybrids, A632×A619, B73×Mo17, and B73×LH38, were planted in the same field in 1986. The experiment was repeated by planting and inoculating A632×A619 on 0.6 ha in 1986 and reevaluating the three tillage treatments and three corn hybrids in 1987 (.)

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