TY  - JOUR 
T1  - Powdery mildew of Ruta graveolens in Brazil caused by Oidiopsis haplophylli
JO  - Summa Phytopathologica
A1  - Liberato, José Ricardo
A1  - Barreto, Robert Weingart
SN  - 0100-5405
UL  - 10.1590/S0100-54052006000100012
VL  - 32 
Y1  - 2006
PB  - Brasil 
ER  -