Article Publish Status: FREE
Abstract Title:

Ginger and Turmeric Essential Oils for Weed Control and Food Crop Protection.

Abstract Source:

Plants (Basel). 2019 Mar 10 ;8(3). Epub 2019 Mar 10. PMID: 30857365

Abstract Author(s):

María Dolores Ibáñez, María Amparo Blázquez

Article Affiliation:

María Dolores Ibáñez


Ginger and turmeric are two food ingredients that are in high demand due to their flavor and positive effects on health. The biological properties of these spices are closely related to the aromatic compounds they contain. The chemical compositions of their essential oils and theirphytotoxic activity against weeds (,,,, and) and food crops (tomato, cucumber, and rice) were studied. Forty-one compounds, accounting for a relative peak area of 87.7% and 94.6% of turmeric and ginger essential oils, respectively, were identified by Gas Chromatography⁻Mass Spectrometry analysis. Ginger essential oil with α-zingiberene (24.9 ± 0.8%), β-sesquiphelladrene (11.7 ± 0.3%), ar-curcumene (10.7 ± 0.2%), and β-bisabolene (10.5 ± 0.3%) as the main compounds significantly inhibited the seed germination of,., andat the highest dose (1µL/mL) assayed, as well as the hypocotyl and radicle growth of the weeds. Turmeric essential oil with ar-turmerone (38.7 ± 0.8%), β-turmerone (18.6 ± 0.6%), and α-turmerone (14.2 ± 0.9%) as principal components significantly inhibited the seed germination ofand hypocotyl and radicle growth of weeds (the latter in particular) at the highest dose, whereas it did not affect either the seed germination or seedling growth of the food crops. Turmeric essential oil can be an effective post-emergent bioherbicide against the tested weeds without phytotoxicity to crops.

Study Type : Plant Study
Additional Links
Pharmacological Actions : Herbicides : CK(1) : AC(1)

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