Movement and Feeding Activity of Adult Pea Leaf Weevil, Sitona Lineatus L. In an Oat-Broadbean Diculture

  • Callistus W. Baliddawa


—This paper briefly discusses insect pest responses in mixed crop stands, their peculiarities and possible crop protection advantages. Results on the effects of a bean-oat diculture on the movements and feeding activity of the adult pea leaf weevil, Sitona lineatus L. are presented and discussed. Mixtures of these crops were found to significantly reduce the amount of notching of the bean leaflets by the weevil and weevil relative populations are compared to the sole bean crops, and to increase emigration from the more diverse plots.

Key Words

Movement feeding activity emigration tendency diculture Sitona lineatus pea leaf weevil intercropping 


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Copyright information

© ICIPE 1984

Authors and Affiliations

  • Callistus W. Baliddawa
    • 1
    • 2
  1. 1.Department of Pure and Applied BiologyImperial College, Silwood Park, AscotBerkshireUK
  2. 2.Department of Crop ScienceMakerere UniversityKampalaUganda

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