Hu Dujing
... that plant physiologist Hu Dujing cultivated Eucommia ulmoides to produce a substitute for rubber?
... that plant physiologist <b id="mwBs0"><a href="./Hu_Dujing" id="mwBs4" rel="mw:WikiLink" title="Hu Dujing">Hu Dujing</a></b> cultivated <i id="mwBs8"><a href="./Eucommia_ulmoides" id="mwBtA" rel="mw:WikiLink" title="Eucommia ulmoides">Eucommia ulmoides</a></i> to produce a substitute for rubber?