Peņalber, Ritchella Marie <br/><br/>
Allelopathic effects of caricature plant (graptophyllum pictum) leaf extract on the barnyard grass (echinochloa crus-galli), jack in the bush (chromolaena odorata), and crabgrass (digitaria sanguinalis) / 
Ritchella Marie Peņalber. 
 - viii, 199 pages ;  28 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>LC Class. No.: </label>T Mbio  / P43 2026