El waziri,Sawsan Mohamed. <br/><br/>
A comparative study of heterotic manifestations in growth characters of corn,Zea mays L. in viro and in vitro  [microform]/ 
 دراسة مقارنة للتباين الهجينى فى خواص نمو الذرة فى المعمل و الحقل. 
Sawsan Mohamed El waziri. 
 -  1968. 
 - 38,3Leaves:  ill.;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Cairo University,1968. 
<br/><br/>Includes bibliographical references (leaves 35-38) 
<br/><br/><br/>Microfiche. <br/>Cairo,Egypt: <br/>ASUNET, <br/>1 microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn--Growth.<br/>Corn--Yields.