Whitcomb, W. D <br/><br/>
Control of red spider and powdery mildew on greenhouse cucumbers  / 
W. D. Whitcomb, and E. F. Guba 
 - Amherst, Mass  :   Massachusetts Agricultural College 
 - p. 280-94 
 - Massachusetts Agr. Exp. Sta. Bull.; 246 .
<br/><br/><label>LCCN: </label>202617 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tetranychus telarius  Pepino -- Enfermedades  Pepino -- Plagas