Interactions between silicon and alkaloid defences in endophyte-infected grasses and the consequences for a folivore

Ximena Cibils-Stewart, Wade J. Mace, Alison J. Popay, Fernando A. Lattanzi, Susan E. Hartley, Casey R. Hall, Jeff R. Powell & Scott N. Johnson
1. Grasses have developed a wide range of morphological and physiological mechanisms to resist herbivory. For instance, they accumulate silicon (Si) in tissue, as physical defence, and associate symbiotically with foliar Epichloë-endophytes that provide chemical defence via antiherbivore alkaloids. Recent evidence showed that some Epichloë-endophytes increase foliar Si in forage grasses; however, it is unknown whether this impacts insect herbivores. Furthermore, while Si is primarily a physical defence, it also affects production of plant defensive...
1 citation reported since publication in 2021.
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