<div class="description">
Subjects: life cycle (organisms); Apples Diseases and pests; disease and pest management; insect pests; arthropod pests; scale insects; larvae; fungal diseases of plants; spraying equipment; arsenicals; life history; rust diseases; leaf spotting; sooty molds; orchards; cultural control; vector control; frogeye leaf spot</div>
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<dl><dd>Quaintance, A. L.</dd>
<dd>Scott, W. M.</dd></dl></div>
Internet Archive identifier