The biology and control of the sorghum midge /
Walter, E.V.
The biology and control of the sorghum midge / by E.V. Walter - Washington, D.C. : USDA - 27 - Technical bulletin; 778 .
Encuadernado con: Orhard insects of the pacific northwest and their control / by E.J. Newcomer
200801
Contarina sorghicola
Sorgo -- enfermedades
Sorgo -- plagas
PA-C 634 N4 1933
The biology and control of the sorghum midge / by E.V. Walter - Washington, D.C. : USDA - 27 - Technical bulletin; 778 .
Encuadernado con: Orhard insects of the pacific northwest and their control / by E.J. Newcomer
200801
Contarina sorghicola
Sorgo -- enfermedades
Sorgo -- plagas
PA-C 634 N4 1933