Scott, W. M <br/><br/>
Apple blotch :   a serious disease of southern orchards  / 
W. M. Scott, and James B. Rorer 
 - Washington  :   Department of Agriculture 
 - 28 p. 
 - EUA. Department of Agriculture Bull.; 144 .
<br/><br/><label>LCCN: </label>202804 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manzana -- Enfermedades  Mancha amarga