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8by Olsen, Mary W.“...3 pp. === Originally published: 1998 === Powdery mildew, a plant disease, appears as white, powdery...”
Published 2011
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9“..., death of limbs, often on one side or a portion of the plant. This article provides information...”
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10by Olsen, Mary W.“... of their ecosystems, but a few are economic parasites of plants and animals. There are several plant parasitic...”
Published 2011
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11“...12 pp. === plant disease bulletins; July 2006 original publishing date, rev. 10/08 === Cacti...”
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13“...3 pp. === Originally published: 1998 === Fireblight is a bacterial disease that affects only plants...”
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15by Dittmar, Stefan H., Ellsworth, Peter C., Hartman, Philip MacD, Martin, Edward C., McCloskey, William B., Olsen, Mary W., Roth, Robert L., Silvertooth, Jeffrey C., Tronstad, Russell E.“... Specialists in agronomy, entomology, irrigation management, weed sciences, and plant pathology following...”
Published 1999
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16by Martin, Edward C., Dittmar, Stefan H., Ellsworth, Peter C., Silvertooth, Jeffrey C., McCloskey, William B., Olsen, Mary W., Roth, Robert L., Tronstad, Russell E.“... production. The Extension Specialists in agronomy, entomology, irrigation management, weed sciences...”
Published 2000
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