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- Title
Volatiles induction in response to mechanical damage is reduced by domestication in murtilla.
- Authors
Chacón-Fuentes, Manuel; Bardehle, Leonardo; Seguel, Ivette; Medina, Cristian; Quiroz, Andrés
- Abstract
Volatiles compounds are involved in defensive induction against insects, playing an important role in insect-plant interaction being induced by response to mechanical damage. However, they could decrease according to the domestication degree in cultivated plants. Currently, it has been established that secondary metabolites are reduced due to the domestication process in murtilla. Hence, the follow question emerges: Are volatile organic compounds induced by mechanical damage reduced in cultivated murtilla plants in relation to wild plants? Two cultivated ecotypes and their respective wild counterparts were sampled. Volatiles compounds were obtained using Porapak-Q columns and analyzed by gas chromatography. Results showed that compounds as 2-hexanone, a-pinene, 2-thujene, 3-thujene and 1,8-cineole were more abundant in wild plants exposed to a mechanical damage than cultivated plants. Hence, these compounds have been associated to induced defense, these results suggest that domestication reduced the induction of defensive volatiles in cultivated murtilla in response to mechanical damage.
- Subjects
CULTIVATED plants; WILD plants; VOLATILE organic compounds; METABOLITES; GAS chromatography
- Publication
Boletín Latinoamericano y del Caribe de Plantas Medicinales y Aromáticas, 2019, Vol 18, Issue 4, p435
- ISSN
0717-7917
- Publication type
Article
- DOI
10.35588/blacpma.19.18.4.28