TY - PRO AU - Morales,A.C. AU - Ortega Corona,A. TI - Efficiency of three methods of measuring corn stem borer damage KW - Crop losses KW - Measurement KW - Methods KW - Ostrinia nubilalis KW - Pests of plants KW - Zea mays KW - AGROVOC T2 - Project study of the Training on Breeding for Corn Pest Resistance ER -