plum pox
...that the genetically modified plum C5 is the only Prunus species resistant to the devastating plant disease plum pox?
...that the <a class="mw-redirect" href="./Genetically_modified" id="mwAx8" rel="mw:WikiLink" title="Genetically modified">genetically modified</a> <a href="./Plum" id="mwAyA" rel="mw:WikiLink" title="Plum">plum</a> C5 is the only <i id="mwAyE"><a href="./Prunus" id="mwAyI" rel="mw:WikiLink" title="Prunus">Prunus</a></i> species resistant to the devastating plant disease <b id="mwAyM"><a href="./Plum_pox" id="mwAyQ" rel="mw:WikiLink" title="Plum pox">plum pox</a></b>?