References
- AKINGBOHUNGBE , A. E. 1982 . Seasonal variation in cowpea crop performance at lle Ife, Nigeria, and the relationship to insect damage . Insect Science and its Application , 3 : 287 – 296 .
- ALGHALI , A. M. 1987 . Effect of time of Chilo partellus Swinhoe (Lepidoptera: Pyralidae) infestation on yield loss and compensatory ability in sorghum cultivars . Tropical Agriculture (Trinidad) , 64 : 144 – 148 .
- ALGHALI , A. M. 1991 . Studies on cowpea farming practices in Nigeria with emphasis on insect pest control . Tropical Pest Management , 37 : 71 – 74 .
- ALGHALI , A. M. 1991 . Integrated pest management strategy for cowpea production under residual moisture in the Bida area of northern Nigeria . Tropical Pest Management , 37 : 224 – 227 .
- ALGHALI , A. M. 1991 . The effect of some agrometeorological factors on flower thrips, Megalurothrips sjostedti Trybom. (Thysanoptera: Thripidae) fluctuations in cowpeas . Journal of Plant Protection in the Tropics , 8 : 63 – 68 .
- ALGHALI , A. M. 1992 . Assessment of grain yield losses caused by insects in Nigeria . Insect Science and its Application , (in press)
- BRADNER , R. and FLETCHER , F. C. 1974 . Insect infestations and their effects on the growth and yield of crops: a review . Bulletin of Entomological Research , 64 : 141 – 160 .
- EZUEH , M. I. 1981 . Nature and significance of preflowering damage by thrips to cowpea . Entomologia Experimentalis et Applicata , 29 : 305 – 312 .
- HILL , D. S. 1975 . Agricultural Insect Pests of the Tropics and Their Control , Cambridge : Cambridge University Press .
- JACKAI , L. E. N. and DAOUST , R. A. 1986 . Insect pests of cowpeas . Annual Review of Entomology , 31 : 95 – 119 .
- NANGJU , D. , FLINN , J. C. and SINGH , S. R. 1979 . Control of cowpea pests by utilisation of insect resistant cultivars and minimum insecticide application . Field Crops Research , 2 : 373 – 385 .
- RACHIE , K. O. 1985 . Introduction in Cowpea Research, Production and Utilisation , Edited by: Singh , S. R. and Rachie , K. O. 21 – 28 . New York : John Wiley and Sons .
- RAHEJA , A. K. 1976 . Assessment of losses caused by insect pests to cowpea in northern Nigeria . Pest Articles and News Summaries , 22 : 229 – 233 .
- RAHEJA , A. K. and HAYES , H. M. 1975 . Sole crop cowpea production by farmers using improved practices . Tropical Grain Legume Bulletin , 1 : 6
- SINGH , S. R. and JACKAI , L. E. N. 1985 . “ Insect pests of cowpeas in Africa: their life cycle, economic importance and potential for control ” . In Cowpea Research, Production and Utilisation , Edited by: Singh , S. R. and Rachie , K. O. 217 – 231 . New York : John Wiley and Sons .
- SINGH , S. R. and TAYLOR , T. A. 1978 . “ Pests of grain legumes and their control in Nigeria ” . In Pests of Grain Legumes: Ecology and Control , Edited by: Singh , S. R. , van Emden , H. F. and Taylor , T. A. 99 – 111 . London : Academic Press .
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