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Original Articles

Variation in the virulence of Alectra vogelii populations on cowpea

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Pages 152-154 | Published online: 13 Nov 2008

References

  • AGGARWAL , V. D. , HALEY , S. D. and BROCKMAN , F. E. 1986 . Present status of breeding cowpea for resistance to Striga at IITA . Proceedings of a Workshop on the Biology and Control of Orobanche . 1986 , Wageningen, The Netherlands. Edited by: ter Borg , S. J. pp. 176 – 180 .
  • PARKER , C. and POLNIASZEK , T. I. 1990 . Parasitism of cowpea by Striga gesnerioides: variation In virulence and discovery of a new source of host resistance . Annals of Applied Biology , 116 : 305 – 311 .
  • POLNIASZEK , T. I. and PARKER , C. Variation in host specificity of Alectra vogelii Benth. (Scrophulariaceae). Parasitic Flowering Plants . Pro‐ceedings of the Fourth International Symposium on Parasitic Seed Plants . 1987 , Marburg. Edited by: Weber , H. Chr. and Forstreuter , W. pp. 613 – 619 .
  • RICHES , C.’R. The identification of resistance to Alectra vogelii Benth. (Scrophulariaceae) in cowpea . Parasitic Flowering Plants (Proceedings of the 4th International Symposium on Parasitic Seed Plants . 1987 , Marburg. Edited by: Weber , H. Chr. and Forstreuter , W. pp. 701 – 708 .
  • RICHES , C. R. 1989 . “ The biology and control of witchweeds of grain legume and cereal crops in Botswana ” . In First Programme, Science and Technology for Development: Summaries of the Final Reports , 318 – 322 . EEC/CTA .
  • VISSER , J. H. 1978 . “ The biology of Alectra vogelii Benth., an angiospermous root parasite ” . In Beitrage zur Chemischen Kommunikation in Bio‐ und Okosystemen 279 – 294 . Witzenhausen

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