Different hydric regimes influencing essential oil production from Polygonum punctatum Ell.
DOI:
https://doi.org/10.70151/jdg8ek79Keywords:
Volatile oils, Polygonaceae, soil moistureAbstract
A greenhouse trial was set up, with vegetatively propagated plants from accesses of Polygonum punctatum Ell to evaluate the influence of three hydne regimes (H1 humid environment, H2 - moderately humid environment and H3 - dry environment) in the production of essence oil. The oil extraction was by water steam distillation. Production was determined by plant matter dry weight. Essential oil production was statistically higher in the dry environment (H3) than the humid environment (H1). This demonstrated that increased water stress led to a greater production of essential oil from the plant.
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