Influence of the pathogen Candidatus Liberibacter solanacearum on tomato host plant volatiles and psyllid vector settlement.

摘要: Candidatus Liberibacter solanacearum (CLso) is an unculturable bacterium vectored by the tomato potato psyllid (TPP) Bactericera cockerelli and has been associated with Zebra chip disease in other economically relevant symptoms observed solanaceous crops. By altering their host vector’s biological system, pathogens are able to induce changes that benefit them increasing transmission rate. Understanding these can enable better targeting of mechanisms control pathogen outbreaks. Here, we explored how CLso infectious status affects volatile organic compounds (VOCs) plant, whether TPP influences plant settlement. These chemical behavioral ultimately affect rate encounter between vector. Results from headspace collection plants showed infected emitted a qualitatively quantitatively different blend VOCs compared sham-infected plants. factorial experiment, negative (CLso-) preferred settle 70 % more often on plants, while positive (CLso+) were found 68 % results provide new evidence favor both vector manipulation CLso.