Bal, Sang Hee. <br/><br/>
Studies on the resistance of several Korean new rice varieties to the Brown planthopper, Nilaparvata lugens (STAL) / 
Bae Sang Hee. 
 - Seoul :  Dong-Guk University,  1980. 
 - 40 p. ;  28 cm. 
<br/><br/>Ph.D. thesis: College of Agriculture, Dong-Guk University, 1980. 
<br/><br/>Bibliography: p.33-40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice brown spot disease.<br/>Rice--Diseases and pests.