?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=B+R&rft.au=Ntare%2C+B+R&rft.aulast=Ntare&rft.atitle=Genotype+and+environmental+effects+on+resistance+to+late+leafspot+in+groundnut&rft.title=African+Crop+Science+Journal&rft.issn=1021-9730&rft.date=1999&rft.volume=7&rft.pages=109-115&rft.issue=2&rft.genre=article