Thomcord grape
... that the Thomcord grape , a seedless hybrid of the Concord and Thompson Seedless grapes, underwent 17 years of testing before being declared ready for growers and gardeners?
... that the <b id="mwE2I"><a class="mw-redirect" href="./Thomcord_(grape)" id="mwE2M" rel="mw:WikiLink" title="Thomcord (grape)">Thomcord grape</a></b> <i id="mwE2Q">(pictured)</i>, a seedless <a href="./Hybrid_(biology)" id="mwE2U" rel="mw:WikiLink" title="Hybrid (biology)">hybrid</a> of the <a class="mw-redirect" href="./Concord_(grape)" id="mwE2Y" rel="mw:WikiLink" title="Concord (grape)">Concord</a> and <a href="./Sultana_(grape)" id="mwE2c" rel="mw:WikiLink" title="Sultana (grape)">Thompson Seedless</a> grapes, underwent 17<span id="mwE2g" typeof="mw:Entity"> </span>years of testing before being declared ready for growers and gardeners?