Koepsell, Paul A. <br/><br/>
Onion withe rot  / 
by Paul A. Koepsell 
 - Corvallis :   Oregon State University 
 - 2 p. 
 - Extension service .
<br/><br/><label>LCCN: </label>205352 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cebolla -- enfermedades