Boughey, A. S. <br/><br/>
The cause of variation in the incidence of blackarm disease of cotton in the Sudan Gezira 

 - Kew, Surrey :  Imperial Mycological Institute,  1947. 
 - 7p.  : ill.  ; 25cm. 
 - Mycological papers; 21 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Xanthomonas malvacearum
<br/><br/><label>LC Class. No.: </label>PAM SB608.C8B6