- dodderalong,about,around,etcThepooroldmanisbeginningtododder.Thedodderisonekindofannualautoeciousweedofalfalfa,cosmopolitanweedquarantineobject.Inanotherexperiment,thePennStateresearchersfoundthatthedodderweedcanmakechoices.Afewbaysafterheroperation,...
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