Reference for Bava Batra 142:3

ואי סלקא דעתך שיורי שייר כי קא ינקי מדנפשיה קא ינקי

R. SIMEON SAYS THAT IF A MAN SANCTIFIES HIS FIELD HE ONLY SANCTIFIES THE FULL-GROWN CAROB AND THE CROPPED SYCAMORE TREE; and in connection with this it was taught: R. Simeon said: What is the reason? Because they suck from a sanctified field.<span class="x" onmousemove="('comment',' And the rule is that that which sucks from sanctified ground itself becomes sanctified. ');">³</span>

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