Maternal exposure to ozone modulates the endophyte-conferred resistance to aphids in lolium multiflorum plants
- Bubica Bustos, Ludmila Micaela
- Ueno, Andrea Celeste
- Di Leo, Tara D.
- Crocco, Carlos Daniel
- Martinez-Ghersa, Maria Alejandra
- Molina Montenegro, Marco A.
- Gundel, Pedro Emilio
DOIAbstract
Plants are challenged by biotic and abiotic stress factors and the incidence of one can increase or decrease resistance to another. These relations can also occur transgenerationally. For instance, progeny plants whose mothers experienced herbivory can be more resistant to herbivores. Certain fungal endophytes that are vertically transmitted endow plants with alkaloids and resistance to herbivores. However, endophyte-symbiotic plants exposed to the oxidative agent ozone became susceptible to aphids. Here, we explored whether this effect persists transgenerationally. We exposed Lolium multiflorum plants with and without fungal endophyte Epichloë occultans to ozone (120 or 0 ppb), and then, challenged the progeny with aphids (Rhopalosiphum pa...
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