?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J+M&rft.au=Ritchie%2C+J+M&rft.aulast=Ritchie&rft.atitle=Insect+pest+incidence+in+seed+pods+of+pigeonpea+genotypes+in+on-farm+trials+in+southern+Malawi&rft.title=International+Chickpea+and+Pigeonpea+Newsletter&rft.issn=1023-4861&rft.date=2000&rft.volume=7&rft.pages=50-52&rft.genre=article