When
plants are attacked by herbivores, they release plant volatiles
called herbivore-induced plant volatiles (HIPVs) to the environment to
communicate with higher trophic levels. HIPVs play different ecological roles
such as plant-plant interaction, plant-herbivore interaction, tritrophic interaction
and other related interactions. Attractiveness of HIPVs to natural enemies in a
tritrophic interaction varies depending on species diversity. Under natural and
multiple cropping systems, tritrophic interaction is expected to be more
complex than single tritrophic interaction with one species per trophic level.
In complex tritrophic interaction, diversity of different trophic levels
affects attractiveness of HIPVs to natural enemies. From plant diversity point
of view, HIPVs mixture emanating from herbivore-damaged multiple plant species
are reported to affect behavioral responses and foraging behavior of natural
enemies under laboratory and field conditions. Similarly, from herbivore
diversity point of view, in nature, plants are commonly attacked by more than
one herbivore species. Constituents of HIPVs vary between
plants infested by multiple and single herbivore species and this affects the
behavioral responses and foraging behavior of natural enemies. This
paper reviews recent
findings on the role of HIPVs as indirect plant defense in systems with simple
tritrophic interaction, and in diverse plants species and diverse herbivore
species.
Herbivore-induced plant volatiles (HIPVs) Tritrophic interaction Natural enemies Herbivores Species diversity
Primary Language | English |
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Subjects | Agricultural Engineering |
Journal Section | Review |
Authors | |
Publication Date | December 20, 2018 |
Submission Date | June 19, 2018 |
Acceptance Date | September 24, 2018 |
Published in Issue | Year 2018 Volume: 2 Issue: 4 |
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