Biology and control of the corn leaf aphid with special reference to the southwestern states /
Wildermuth, V. L.
Biology and control of the corn leaf aphid with special reference to the southwestern states / by V. L. Widermuth and E. V. Walter - Washington : USDA - 22 p. - Bulletin ; 306 .
Enc. con impresos similares
206407
Afididos
Aphis maidis
Fitopatología -- colecciones de escritos
Maíz -- plagas
PA-C 632 B85
Biology and control of the corn leaf aphid with special reference to the southwestern states / by V. L. Widermuth and E. V. Walter - Washington : USDA - 22 p. - Bulletin ; 306 .
Enc. con impresos similares
206407
Afididos
Aphis maidis
Fitopatología -- colecciones de escritos
Maíz -- plagas
PA-C 632 B85