Shiv Raj Singh
International Institute of Tropical AgricultureRetired
Oyo Road
Ibadan, WA
Nigeria 5302
Email: ShivRaj@hotmail.com
Papers:
1235 The effect of water stress on the development of cowpea aphid, Aphis craccivora Koch, on cowpea, Vigna unguiculata (L.) Walp
1236 Reproductive Performance of cowpea aphid, Aphis craccivora Koch at different points in the birth sequence on cowpea, Vigna unguiculata (L.) Walp
1237 Reproductive performance of alatae and apterae of cowpea aphid, Aphis craccivora Koch on cowpea,Vigna unguiculata (L.) Walp
D0286 Performance of cowpea aphid, Aphis craccivora Koch, during longer exposure to resistant cowpea varieties, Vigna unguiculata (L.) Walp