White pine blister rust (Diapositiva) - The American Phytophatological Society. St. Paul, Minn. (Ithaca ; Cornell University)
Nota explicativa 5 h.
Tambien en CD 4 3/4 plgs.
BATCH-UPD
BATCH-UPD
BATCH-UPD
BATCH-UPD
Keywords: Cronartium ribicola; Pináceas -- Enfermedades