A bacterial leafspot of tobacco /
Johnson, James
A bacterial leafspot of tobacco / by James Johnson
Sobretiro de: Journal of Agricultural Research, 23 (6): 481-494, 1923
206211
Tabaco -- enfermedades
A bacterial leafspot of tobacco / by James Johnson
Sobretiro de: Journal of Agricultural Research, 23 (6): 481-494, 1923
206211
Tabaco -- enfermedades
