?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=P+S&rft.au=Marley%2C+P+S&rft.aulast=Marley&rft.atitle=Assessment+of+anthracnose+resistance+(Colletotrichum+graminicola)+in+sorghum+(Sorghum+bicolor)+germplasm+under+field+conditions+in+Nigeria&rft.title=Journal+of+Agricultural+Science&rft.issn=0021-8596&rft.date=2002&rft.volume=138&rft.pages=201-208&rft.issue=2&rft.genre=article