Browsing by Author "Zúñiga, G. E."

Now showing items 1-2 of 2

    • Effect of ursolic acid from epicuticular waxes of jacaranda decurrens on schizaphis graminum 
      Varanda, E. M.; Zúñiga, G. E.; Salatino, A.; Roque, N. F.; Corcuera, L. J. (1992)
      Ursolic acid from Jacaranda decurrens showed toxicity and feeding deterrency towards the greenbug Schizaphis graminum. Biological activity was determined by analyzing ursolic acid effects on the survival, reproductive ...
    • Ethylene production and peroxidase activity in aphid-infested barley 
      Argandoña, V. H.; Chaman, M.; Cardemil, L.; Muñoz, O.; Zúñiga, G. E.; Corcuera, L. J. (2001)
      The purpose of this work was to investigate whether ethylene is involved in the oxidative and defensive responses of barley to the aphids Schizaphis graminum (biotype C) and Rhopalophum padi. The effect of aphid infestation ...