<div class="description">
<p>Includes references
</p>
<br>Subjects: Zea mays; Heterodera; geographical distribution; Heterodera zeae; population; India; Egypt; heterocysts</div>
<div class="fn value">
<dl><dd>Friedman, W</dd>
<dd>Smith, H.T</dd></dl></div>
Internet Archive identifier