Nettle extract controls black bean aphid in broad bean
  • Broad bean (Vicia faba) /nettle extract (Urticae spp.)/black bean aphid (Aphis fabae)
  • Effective control of the black bean aphid. Compatibility of the nettle extract with beneficial insects, allowed the parasitoid Aphidius colemani to move into the crop providing an additional aphid control.

 

 

  • Technical result: effective bean aphid control respecting beneficial insects resulting in a synergyistic control.
  • Economic result: biological solution at the same efficacy and longer term than chemical treatment
  • Sustainability (ecological, social and economical) Gains:

 

    • Reduction of the reliance on chemical pesticides
    • Compatibility with beneficial insects enables synergistic bean control
    • Increased biodiversity enabling long term pest control and resilient cropping systems

 

    • Enables worker and consumer health and safety
    • Promotes more sustainable residue free bean production, better accepted by the public

 

    • Through its growth stimulating effect, the nettle extract supports specialized smallholder farmers’ livelihood and value generation
    • Improvement of financial viability by reduction of man and tractor hours as the nettle extract is applied through fertigation
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