Influence of etherel and gibberellic acid on carbon metabolism, growth, and essential oil accumulation in spearmint (Mentha spicata)

Title:

Influence of etherel and gibberellic acid on carbon metabolism, growth, and essential oil accumulation in spearmint (Mentha spicata)

Creator:

Singh, Preety, Srivastava, N. K., Mishra, A., and Sharma, S.

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:3a888b28-bc78-44b8-9b71-9483548840ff
uuid:3a888b28-bc78-44b8-9b71-9483548840ff
issn:0300-3604
doi:10.1023/A:1007083802765

Subject:

amino acids, chlorophyll, 14CO2- and 14C-sucrose incorporation, organic acids, primary photosynthetic metabolites, stem, stomatal conductance, sugars, and transpiration rate

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

Changes in growth parameters and 14CO2 and [U-14C]-sucrose incorporation into the primary metabolic pools and essential oil were investigated in leaves and stems of M. spicata treated with etherel and gibberellic acid (GA). Compared to the control, GA and etherel treatments induced significant phenotypic changes and a decrease in chlorophyll content, CO2 exchange rate, and stomatal conductance. Treatment with etherel led to increased total incorporation of 14CO2 into the leaves wheras total incorporation from 14C sucrose was decreased. When 14CO2 was fed, the incorporation into the ethanol soluble fraction, sugars, organic acids, and essential oil was significantly higher in etherel treated leaves than in the control. However, [U-14C]-sucrose feeding led to decreased label incorporation in the ethanol-soluble fraction, sugars, organic acids, and essential oils compared to the control. When 14CO2 was fed to GA treated leaves, label incorporation in ethanol-insoluble fraction, sugars, and oils was significantly higher than in the control. In contrast, when [U-14C]-sucrose was fed the incorporation in the ethanol soluble fraction, sugars, organic acids, and oil was significantly lower than in the control. Hence the hormone treatment induces a differential utilization of precursors for oil biosynthesis and accumulation and differences in partitioning of label between leaf and stem. Etherel and GA influence the partitioning of primary photosynthetic metabolites and thus modify plant growth and essential oil accumulation. and Preety Singh ... [et al.].

Language:

Multiple languages

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

509-517

Source:

Photosynthetica | 1999 Volume:36 | Number:4

Harvested from:

CDK

Metadata only:

false