Rogers, Marlin N <br/><br/>
Some effects of moisture and host plant suceptibility on the development of powdery mildew of roses, caused by Sphaerotheca pannosa var. rosae  / 
Marlin N. Rogers 
 - New York  :   Agricultural Experiment Station 
 - 37 p. 
 - New York: Agr. Exp. Sta. memoir; 363 .
<br/><br/><label>LCCN: </label>203148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Planas -- Efecto de la húmedad  Rosas -- Enfermedades