Preliminary study on the effect of nitrogen and potassium fertilization and evapotranspiration replacement interaction on primary and secondary metabolites of Gynura procumbens leaves


Citation

Mohd Zuwairi Saiman, . and Muhd Kamal Izzat, . and Hawa Z. E. Jaafar, . and Ghasemzadeh Ali, . and Mohamad Fhaizal Mohamad Bukhori, . and Uma Rani Sinniah, . and Nazia Abdul Majid, . Preliminary study on the effect of nitrogen and potassium fertilization and evapotranspiration replacement interaction on primary and secondary metabolites of Gynura procumbens leaves. pp. 391-413. ISSN 1511-3701

Abstract

Despite progressive reports on pharmacological properties in Gynura procumbens many are overlooking the importance of agronomic requirements for high yields and phytochemical content that vary due to environmental variations. The study was carried out to examine the effects of nitrogen (N) potassium (K) and evapotranspiration replacement (ER) on growth and phytochemical content. Treatments affected parameters significantly (p0.05) with a stronger effect on physiological and biochemical attributes (p0.0001). Highest and lowest yield of biomass and phytochemical content were observed under N0K30(70) and N90K0(25) respectively. Treatments interaction was highly significant (p0.0001) in Cond TPrC and TFC (p0.05) in CF and PWP and not significant (p0.05) in Photo TCC and TPC. The 75 ER had significant (p0.05) output of biomass and phytochemical content. As ER decreased from 100 to 25 the Photo and CF were reduced. Phytochemical content displayed a significant negative relationship with PWP. Caffeic acid kaempferol and ferulic acid demonstrated as lead compounds. Following this there were correlations between phenolic biosynthesis-regulated gene and gene expressions such as PAL CHS and F3H primers.


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Abstract

Despite progressive reports on pharmacological properties in Gynura procumbens many are overlooking the importance of agronomic requirements for high yields and phytochemical content that vary due to environmental variations. The study was carried out to examine the effects of nitrogen (N) potassium (K) and evapotranspiration replacement (ER) on growth and phytochemical content. Treatments affected parameters significantly (p0.05) with a stronger effect on physiological and biochemical attributes (p0.0001). Highest and lowest yield of biomass and phytochemical content were observed under N0K30(70) and N90K0(25) respectively. Treatments interaction was highly significant (p0.0001) in Cond TPrC and TFC (p0.05) in CF and PWP and not significant (p0.05) in Photo TCC and TPC. The 75 ER had significant (p0.05) output of biomass and phytochemical content. As ER decreased from 100 to 25 the Photo and CF were reduced. Phytochemical content displayed a significant negative relationship with PWP. Caffeic acid kaempferol and ferulic acid demonstrated as lead compounds. Following this there were correlations between phenolic biosynthesis-regulated gene and gene expressions such as PAL CHS and F3H primers.

Additional Metadata

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Item Type: Article
AGROVOC Term: Asteraceae
AGROVOC Term: Leaves
AGROVOC Term: Biosynthesis
AGROVOC Term: Fertilizer application
AGROVOC Term: Nitrogen fertilizers
AGROVOC Term: Potassium fertilizers
AGROVOC Term: Evapotranspiration
AGROVOC Term: Metabolites
AGROVOC Term: Secondary metabolites
AGROVOC Term: Caffeic acid
Depositing User: Mr. AFANDI ABDUL MALEK
Last Modified: 24 Apr 2025 00:54
URI: http://webagris.upm.edu.my/id/eprint/9352

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