Corn Hybrids and Planting Dates Affect Yield Losses by Helicoverpa zea and Spodoptera frugiperda (Lepidoptera: Noctuidae) Feeding on Ears in Mexico

• Published in: Journal of entomological science Vol. 47; no. 2; pp. 177 - 184
• Main Authors: Rodríguez-del-Bosque, L. A, Cantú-Almaguer, M. A, Reyes-Méndez, C. A
• Format: Journal Article
• Language: English
• Published: Georgia Entomological Society, Inc 01.04.2012
• Subjects: aerial application; corn; corn ears; hardness; Helicoverpa zea; host plants; hybrids; insecticides; insects; planting date; Spodoptera frugiperda; Mexico

The effect of hybrid and planting date on yield losses by the corn ear insects Helicoverpa zea (Boddie) and Spodoptera frugiperda (J.E. Smith) was determined in northeastern México, from 2006 - 2009. Eight corn hybrids (white and yellow) were planted each year during early January, February and Marc...