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Effects of gibberellic acid on growth and morphological variation of three kenaf (Hibiscus cannabinus L.) varieties

Kenaf (Hibiscus cannabinus L.), is one of the potential source to fulfil the demand of natural fibres for bio-composite and pulp and papers industry. However, due to the average fibre length of kenaf is below the critical length for bio-composite manufacturing, there is a need to improve its fibre’s...

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Main Author: Tony Conrad, Priscilla
Format: Project Paper Report
Language:English
Published: 2018
Online Access:http://psasir.upm.edu.my/id/eprint/91344/1/FH%202018%2040%20IR.pdf
http://psasir.upm.edu.my/id/eprint/91344/
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spelling my.upm.eprints.913442021-11-12T02:28:39Z http://psasir.upm.edu.my/id/eprint/91344/ Effects of gibberellic acid on growth and morphological variation of three kenaf (Hibiscus cannabinus L.) varieties Tony Conrad, Priscilla Kenaf (Hibiscus cannabinus L.), is one of the potential source to fulfil the demand of natural fibres for bio-composite and pulp and papers industry. However, due to the average fibre length of kenaf is below the critical length for bio-composite manufacturing, there is a need to improve its fibre’s length and quality. Kenaf plant elongation and improvement of fibre quality can be achieved by the use of plant growth regulators. Gibberellic acid (GA) is a plant hormone that can stimulate growth and development of plant. Therefore, this study is carried out to determine the effects of exogenous application of gibberellic acid on growth and morphological variations of three kenaf varieties which were V36, New Hybrid 2 and Fuhangyou No.2. These varieties were treated with two concentrations of gibberellins (0.0 and 2.0 mL/L). The effects of GA were observed for 16 weeks and the vegetative growth and morphological changes were assessed. The results found that gibberellic acid significantly increased the total height and basal diameter of kenaf, but failed to increase the leaf area and biomass in all kenaf varieties. GA also affected flowering behavior of kenaf varieties and seed production, where all the kenaf varieties treated with 2.0 mL/L concentration did not initiate any flowering. From this study, it can be concluded that GA provided significant effects on vegetative and reproductive growth of kenaf. 2018 Project Paper Report NonPeerReviewed text en http://psasir.upm.edu.my/id/eprint/91344/1/FH%202018%2040%20IR.pdf Tony Conrad, Priscilla (2018) Effects of gibberellic acid on growth and morphological variation of three kenaf (Hibiscus cannabinus L.) varieties. [Project Paper Report]
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Kenaf (Hibiscus cannabinus L.), is one of the potential source to fulfil the demand of natural fibres for bio-composite and pulp and papers industry. However, due to the average fibre length of kenaf is below the critical length for bio-composite manufacturing, there is a need to improve its fibre’s length and quality. Kenaf plant elongation and improvement of fibre quality can be achieved by the use of plant growth regulators. Gibberellic acid (GA) is a plant hormone that can stimulate growth and development of plant. Therefore, this study is carried out to determine the effects of exogenous application of gibberellic acid on growth and morphological variations of three kenaf varieties which were V36, New Hybrid 2 and Fuhangyou No.2. These varieties were treated with two concentrations of gibberellins (0.0 and 2.0 mL/L). The effects of GA were observed for 16 weeks and the vegetative growth and morphological changes were assessed. The results found that gibberellic acid significantly increased the total height and basal diameter of kenaf, but failed to increase the leaf area and biomass in all kenaf varieties. GA also affected flowering behavior of kenaf varieties and seed production, where all the kenaf varieties treated with 2.0 mL/L concentration did not initiate any flowering. From this study, it can be concluded that GA provided significant effects on vegetative and reproductive growth of kenaf.
format Project Paper Report
author Tony Conrad, Priscilla
spellingShingle Tony Conrad, Priscilla
Effects of gibberellic acid on growth and morphological variation of three kenaf (Hibiscus cannabinus L.) varieties
author_facet Tony Conrad, Priscilla
author_sort Tony Conrad, Priscilla
title Effects of gibberellic acid on growth and morphological variation of three kenaf (Hibiscus cannabinus L.) varieties
title_short Effects of gibberellic acid on growth and morphological variation of three kenaf (Hibiscus cannabinus L.) varieties
title_full Effects of gibberellic acid on growth and morphological variation of three kenaf (Hibiscus cannabinus L.) varieties
title_fullStr Effects of gibberellic acid on growth and morphological variation of three kenaf (Hibiscus cannabinus L.) varieties
title_full_unstemmed Effects of gibberellic acid on growth and morphological variation of three kenaf (Hibiscus cannabinus L.) varieties
title_sort effects of gibberellic acid on growth and morphological variation of three kenaf (hibiscus cannabinus l.) varieties
publishDate 2018
url http://psasir.upm.edu.my/id/eprint/91344/1/FH%202018%2040%20IR.pdf
http://psasir.upm.edu.my/id/eprint/91344/
_version_ 1717095439900082176
score 13.211869

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