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- Author or Editor: C. Pounders x
- Journal of the American Society for Horticultural Science x
Abstract
Artificial infestation with egg masses to simulate severe natural second brood European corn borer, Ostrinia nubilalis (Hubner), infestation caused less stalk and stalk-associated damage in the resistant field corn inbred ‘B52’ Zea mays L. than in susceptible sweet corn inbreds. Relatively severe damage, however, occurred on and around the region of the primary ear in both ‘B52’ and the sweet inbreds. Because direct kernel damage is of paramount economic importance in sweet corn as opposed to field corn, forms of second-brood resistance in addition to that found in ‘B52’ should be sought in sweet corn improvement. For stalk tunneling and number of sheath and collar lesions the resistance of F1 and F2 progenies was intermediate between the resistance of ‘B52’ and the sweet inbreds. Although there were no parental differences in damage to the ear, F1 and F2 means showed some indication of resistance.