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<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt">Wednesday Nov 19
<o:p></o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt">at 10:00 – 11:00 a.m. Open to Public<o:p></o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt">in CEA Classroom,
<o:p></o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt">CEAC, 1951 E. Roger Rd. [Campbell Ave at Roger Rd]<o:p></o:p></span></b></p>
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<p class="MsoNormal" align="center" style="text-align:center"><img width="91" height="91" id="_x0000_i1025" src="cid:image001.jpg@01D00259.684FF5C0" alt="logoabe wo block A"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p></o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt;font-family:"Clarendon Condensed"">Department of Agricultural and<o:p></o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt;font-family:"Clarendon Condensed"">Biosystems Engineering
<o:p></o:p></span></b></p>
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<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:22.0pt;font-family:"Friz Quadrata Std"">DOCTOR OF SCIENCE DISSERTATION DEFENSE<o:p></o:p></span></b></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:20.0pt;font-family:"Book Antiqua","serif"">Stacy Tollefson, PhD Candidate ABE<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:14.0pt;font-family:"Verdana","sans-serif"">“Compost Water Extracts and Suppression of Root Rot (<i>F. Solani</i> f. sp.
<i>pisi</i>) in Pea: Factors of suppression and a potential new mechanism”<o:p></o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:12.0pt;font-family:"Lucida Calligraphy""><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"">Compost water extracts (CWE) are mixtures of compost and water incubated for a defined period of time, either with our without aeration, and with or without additives intended to increase microbial
populations. Much anecdotal, but very little scientific evidence exists describing CWE effect on suppressing soil-borne pathogens. This series of studies investigates the effects of a CWE on the suppression of
<i>F. Solani</i> f. sp. <i>pisi</i> on root rot. Study 1 examines the effects of a CWE on growth and disease suppression in pouch assays and in seedlings studies using different types of growing media. Study 2 describes the effect of two different CWE on
border cell dispersion, and its relation to its ability to suppress <i>F. Solani</i>, and the implications for CWE effect on rhizosphere community structures and disease management. Study 3 describes the effect of changing one factor at a time in the production
or use of a CWE on the suppression of <i>F. solani</i>. These studies are important contributions to understanding the factors and potential mechanisms involved in the suppression of disease by CWE.<o:p></o:p></span></p>
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