The relationship between total sugar, crude protein and tannic acid contents of cowpea, Vigna unguiculata L. Walp. and varietal resistance to Clavigralla tomentosicollis Stal. (Hemiptera: Coreidae)

References

• HAGERMAN , A. E. and BUTLER , L. G. 1978 . Protein precipitation method for the quantitative determination of tannins . Journal of Agricultural and Food Chemistry , 26 : 809 – 812 .
   Web of Science ®Google Scholar
• HOFF , J. E. and SINGLETON , K. I. 1977 . A method for the determination of tannin . Journal of Food Science , 42 : 1566 – 1574 .
   Web of Science ®Google Scholar
• IITA . 1984 . Annual Report for 1983 Ibadan, , Nigeria
   Google Scholar
• KENT‐JONES , D. W. 1969 . General Analytical Procedure for Cereals in Modern Cereal Chemistry , New York : Wiley‐lnterscience .
   Google Scholar
• OLATUNDE , G. O. and ODEBIYI , J. A. in press . Some aspects of antibiosis in cowpeas resistant to Clavigralla tomentosicollis Stal. (Hemiptera: Coreidae) . Tropical Pest Management ,
   Google Scholar
• OLATUNDE , G. O. , ODEBIYI , J. A. and JACKAI , L. E. N. in press . Non preference as a mechanism of resistance in cowpeas, Vigna unguiculata L. Walp. to the pod sucking bug, Clavigralla tomentosicollis Stal. (Hemiptera: Coreidae) . Insect Science and its Application ,
   Google Scholar
• OLATUNDE , G. O. , ODEBIYI , J. A. , CHIANG , H. S. and JACKAI , L. E. N. in press . Identification of sources of resistance in cowpeas, Vigna unguiculata L. Walp to Clavigralla tomentosicollis Stal. (Hemiptera: Coreidae) . Insect Science and its Application ,
   Google Scholar
• SINGH , S. R. and ALLEN , D. J. 1979 . Cowpea pests and diseases , IITA Manual Series 2 Ibadan, , Nigeria
   Google Scholar
• SOUTHGATE , D. A. T. 1969 . Determination of carbohydrates in foods . Journal of the Science of Food and Agriculture , 20 : 326 – 330 .
   PubMed Web of Science ®Google Scholar
• TAYLOR , T. A. 1968 . The effects of insecticide application on insect damage and the performance of cowpea in Southern Nigeria . Nigerian Agricultural Journal , 5 ( 1 ) : 29 – 37 .
   Google Scholar
• Present address: Department of Crop Production and Crop Protection, University of Agriculture, Abeokuta, Nigeria.
   Google Scholar