Ayad, G.  <br/><br/>
Cereals   maize 

 - Rome  International Board for Plant Genetic Resources  1980 
 - i,24p.  28cm 
 - Derectory of germplasm collections  .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Development of new varieties<br/>production of propagational organisms and new varieties<br/>cultivation and harvesting
<br/><br/><label>Dewey Class. No.: </label>631.523  / AYA