<div class="description">
<dl><dd>Published by: United States Dept. of Agriculture, Science &amp; Education Administration, Agricultural Research Center, Beltsville, Md., 1979; by United States Dept. of Agriculture, Science &amp; Education Administration, Appalachian Fruit Research Station, Kearneysville, W. Va. 1980-1981; by United States Dept. of Agriculture, Agricultural Research Service, Appalachian Fruit Research Station, Kearneysville, W. Va., 1982-</dd>
<dd>Issued in cooperation with: U.S. apple and pear disease workers and European &amp; Mediterranean Plant Protection Organization, 1979-1982; U.S. deciduous tree fruit disease workers and European &amp; Mediterranean Plant Protection Organization, 1982-</dd></dl><br>Subjects: Fire-blight Research Periodicals; Plants, Protection of Periodicals; Pear Diseases and pests Periodicals; Apples Diseases and pests Periodicals</div>
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<dl><dd>International Society for Horticultural Science. Working Group on Fireblight Research</dd>
<dd>European and Mediterranean Plant Protection Organisation</dd>
<dd>Agricultural Research Center (Beltsville, Md.)</dd>
<dd>Appalachian Fruit Research Station (Kearneysville, W. Va.)</dd></dl></div>
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