?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=B&rft.au=Clerget%2C+B&rft.aulast=Clerget&rft.atitle=Variability+of+phyllochron%2C+plastochron+and+rate+of+increase+in+height+in+photoperiod-sensitive+sorghum+varieties&rft.title=Annals+of+Botany&rft.date=2008&rft.volume=101&rft.pages=579-594&rft.issue=4&rft.genre=article