<div class="description">
<dl><dd>8 p</dd>
<dd>Includes references</dd></dl><br>Subjects: Pinus ponderosa; Arceuthobium vaginatum; ethephon; weed control; abscission; disease control; plant diseases and disorders; application rate; Colorado</div>
<div class="fn value">
Johnson, D.W</div>
Internet Archive identifier