TY  - BOOK
AU  - Rogers, Marlin N
TI  - Some effects of moisture and host plant suceptibility on the development of powdery mildew of roses, caused by Sphaerotheca pannosa var. rosae
CY  - New York
PB  -  Agricultural Experiment Station
KW  - Planas
KW  -  Efecto de la húmedad  Rosas
KW  -  Enfermedades
ER  -