ABA and GA3 affect the growth and pigment composition in Andrographis paniculata Wall.ex Nees., an important folk herb

M. Gomathinayagam; V. E. Anuradha; Changxing Zhao; Gloria A. Ayoola; C. Abdul Jaleel; R. P. Anneerselvam

doi:10.1007/s11515-009-0018-5

ABA and GA₃ affect the growth and pigment composition in Andrographis paniculata Wall.ex Nees., an important folk herb

M. Gomathinayagam, V. E. Anuradha, Changxing Zhao, Gloria A. Ayoola, C. Abdul Jaleel, R. P. Anneerselvam

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

In this study, 5 μmol•L^-1 abscisic acid (ABA) and gibberellic acid (GA₃) were used to study the effect of both growth regulators on the morphological parameters and pigment composition of Andrographis paniculata. The growth regulators were applied by means of foliar spray during morning hours. ABA treatment inhibited the growth of the stem and internodal length when compared with control, whereas GA₃ treatment increased the plant height and internodal length. The total number of leaves per plant decreased in the ABA-treated plants, but GA₃ treatment increased the total number of leaves when compared with the control. Both growth regulators (ABA and GA₃) showed increased leaf area. ABA and GA ₃ treatments slightly decreased the total root growth at all the stages of growth. The growth regulator treatments increased the whole plant fresh and dry weight at all stages of growth. ABA enhanced the fresh and dry weight to a larger extent when compared with GA₃. An increase in the total chlorophyll content was recorded in ABA and GA₃ treatments. The chlorophyll-a, chlorophyll-b, and carotenoids were increased by ABA and GA ₃ treatments when compared with the control plants. The xanthophylls and anthocyanin content were increased with ABA and GA₃ treatments in A. paniculata plants.

Original language	English
Pages (from-to)	337-341
Number of pages	5
Journal	Frontiers of Biology in China
Volume	4
Issue number	3
DOIs	https://doi.org/10.1007/s11515-009-0018-5
Publication status	Published - Sept 2009
Externally published	Yes

Keywords

Andrographis paniculata
Anthocyanin
Carotenoids
Chlorophyll
Growth
Xanthophylls

ASJC Scopus subject areas

Biotechnology
Ecology, Evolution, Behavior and Systematics
Ecology
Genetics

Access to Document

10.1007/s11515-009-0018-5

Cite this

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title = "ABA and GA3 affect the growth and pigment composition in Andrographis paniculata Wall.ex Nees., an important folk herb",

abstract = "In this study, 5 μmol•L-1 abscisic acid (ABA) and gibberellic acid (GA3) were used to study the effect of both growth regulators on the morphological parameters and pigment composition of Andrographis paniculata. The growth regulators were applied by means of foliar spray during morning hours. ABA treatment inhibited the growth of the stem and internodal length when compared with control, whereas GA3 treatment increased the plant height and internodal length. The total number of leaves per plant decreased in the ABA-treated plants, but GA3 treatment increased the total number of leaves when compared with the control. Both growth regulators (ABA and GA3) showed increased leaf area. ABA and GA 3 treatments slightly decreased the total root growth at all the stages of growth. The growth regulator treatments increased the whole plant fresh and dry weight at all stages of growth. ABA enhanced the fresh and dry weight to a larger extent when compared with GA3. An increase in the total chlorophyll content was recorded in ABA and GA3 treatments. The chlorophyll-a, chlorophyll-b, and carotenoids were increased by ABA and GA 3 treatments when compared with the control plants. The xanthophylls and anthocyanin content were increased with ABA and GA3 treatments in A. paniculata plants.",

keywords = "Andrographis paniculata, Anthocyanin, Carotenoids, Chlorophyll, Growth, Xanthophylls",

author = "M. Gomathinayagam and Anuradha, {V. E.} and Changxing Zhao and Ayoola, {Gloria A.} and Jaleel, {C. Abdul} and Anneerselvam, {R. P.}",

year = "2009",

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AU - Gomathinayagam, M.

AU - Anuradha, V. E.

AU - Zhao, Changxing

AU - Ayoola, Gloria A.

AU - Jaleel, C. Abdul

AU - Anneerselvam, R. P.

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