Mullin, R. S. <br/><br/>
Comparative dusts for powdery mildew of beans 

<br/><br/> Sobretiro de: Transactions of Peninsula Horticultural Science. 1958, pp. 1-2 
<br/><br/><label>LCCN: </label>41318 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cenicilla polvorienta del frijol.<br/>Erysyphe polygoni.