Walter, E. V Corn earworm resistence in sweet corn inbreds and hydrids / E. V. Walter - Washington : Department of Agriculture - 22 p. - EUA. Dept. of agriculture; E-745 . LCCN: 203027 Subjects--Topical Terms: Heliothis armigera Maíz -- Plagas Maíz -- Híbridos Maíz dulce