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Stimulation of multiple leader formation in some genotypes of Acacia mangium and Acacia auriculiformis with 6-Benzylaminopurine (BAP)

Acacia mangium Willd. and Acacia auriculiformis A. Cunn. ex. Benth. are two of the fast-growing tropical acacias which have received priority for genetic assessment and improvement. They were therefore proposed for timber production in a short rotation in Malaysia but were impeded by the multiple le...

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Main Authors: Eldoma, Ahmed Mohamed Adam, Muniandi, Sures Kumar, Ab Shukor, Nor Aini
Format: Article
Language:English
Published: Scientific Research Publishing 2015
Online Access:http://psasir.upm.edu.my/id/eprint/46385/1/Stimulation%20of%20multiple%20leader%20formation%20in%20some%20genotypes%20of%20Acacia%20mangium%20and%20Acacia%20auriculiformis%20with%206-Benzylaminopurine%20%28BAP%29.pdf
http://psasir.upm.edu.my/id/eprint/46385/
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spelling my.upm.eprints.463852018-03-09T07:52:32Z http://psasir.upm.edu.my/id/eprint/46385/ Stimulation of multiple leader formation in some genotypes of Acacia mangium and Acacia auriculiformis with 6-Benzylaminopurine (BAP) Eldoma, Ahmed Mohamed Adam Muniandi, Sures Kumar Ab Shukor, Nor Aini Acacia mangium Willd. and Acacia auriculiformis A. Cunn. ex. Benth. are two of the fast-growing tropical acacias which have received priority for genetic assessment and improvement. They were therefore proposed for timber production in a short rotation in Malaysia but were impeded by the multiple leaders (ML) formation which limited their value as sawn timber. This work attempts to investigate the causes of ML formation in four genotypes of A. mangium and A. auriculiformis as related to apical dominance, nutrition and plant growth hormones and their correlations. The effects of 6-benzylaminopurine and decapitation on ML formation of these genotypes were also investigated. 6-benzylaminopurine (BAP) as a foliar spray and also decapitation did not stimulate ML formation. However, they significantly increased the number of branches and reduced all other growth traits including height. However, basal diameter was not affected by decapitation. The effects of BAP increased consistently with increasing level of application. BAP at 1500 mg·L-1 resulted in mortality of A. mangium provenances while A. auriculiformis provenances survived and grew normally. Some of the BAP treated plants of both species developed juvenile pinnate leaves. Decapitation of the apical bud resulted in the activation of the lateral bud immediately below the point of decapitation. Scientific Research Publishing 2015 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/46385/1/Stimulation%20of%20multiple%20leader%20formation%20in%20some%20genotypes%20of%20Acacia%20mangium%20and%20Acacia%20auriculiformis%20with%206-Benzylaminopurine%20%28BAP%29.pdf Eldoma, Ahmed Mohamed Adam and Muniandi, Sures Kumar and Ab Shukor, Nor Aini (2015) Stimulation of multiple leader formation in some genotypes of Acacia mangium and Acacia auriculiformis with 6-Benzylaminopurine (BAP). Open Journal of Forestry, 5 (7). art. no. 59740. pp. 637-650. ISSN 2163-0429; ESSN: 2163-0437 10.4236/ojf.2015.57056
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 Acacia mangium Willd. and Acacia auriculiformis A. Cunn. ex. Benth. are two of the fast-growing tropical acacias which have received priority for genetic assessment and improvement. They were therefore proposed for timber production in a short rotation in Malaysia but were impeded by the multiple leaders (ML) formation which limited their value as sawn timber. This work attempts to investigate the causes of ML formation in four genotypes of A. mangium and A. auriculiformis as related to apical dominance, nutrition and plant growth hormones and their correlations. The effects of 6-benzylaminopurine and decapitation on ML formation of these genotypes were also investigated. 6-benzylaminopurine (BAP) as a foliar spray and also decapitation did not stimulate ML formation. However, they significantly increased the number of branches and reduced all other growth traits including height. However, basal diameter was not affected by decapitation. The effects of BAP increased consistently with increasing level of application. BAP at 1500 mg·L-1 resulted in mortality of A. mangium provenances while A. auriculiformis provenances survived and grew normally. Some of the BAP treated plants of both species developed juvenile pinnate leaves. Decapitation of the apical bud resulted in the activation of the lateral bud immediately below the point of decapitation.
format Article
author Eldoma, Ahmed Mohamed Adam
Muniandi, Sures Kumar
Ab Shukor, Nor Aini
spellingShingle Eldoma, Ahmed Mohamed Adam
Muniandi, Sures Kumar
Ab Shukor, Nor Aini
Stimulation of multiple leader formation in some genotypes of Acacia mangium and Acacia auriculiformis with 6-Benzylaminopurine (BAP)
author_facet Eldoma, Ahmed Mohamed Adam
Muniandi, Sures Kumar
Ab Shukor, Nor Aini
author_sort Eldoma, Ahmed Mohamed Adam
title Stimulation of multiple leader formation in some genotypes of Acacia mangium and Acacia auriculiformis with 6-Benzylaminopurine (BAP)
title_short Stimulation of multiple leader formation in some genotypes of Acacia mangium and Acacia auriculiformis with 6-Benzylaminopurine (BAP)
title_full Stimulation of multiple leader formation in some genotypes of Acacia mangium and Acacia auriculiformis with 6-Benzylaminopurine (BAP)
title_fullStr Stimulation of multiple leader formation in some genotypes of Acacia mangium and Acacia auriculiformis with 6-Benzylaminopurine (BAP)
title_full_unstemmed Stimulation of multiple leader formation in some genotypes of Acacia mangium and Acacia auriculiformis with 6-Benzylaminopurine (BAP)
title_sort stimulation of multiple leader formation in some genotypes of acacia mangium and acacia auriculiformis with 6-benzylaminopurine (bap)
publisher Scientific Research Publishing
publishDate 2015
url http://psasir.upm.edu.my/id/eprint/46385/1/Stimulation%20of%20multiple%20leader%20formation%20in%20some%20genotypes%20of%20Acacia%20mangium%20and%20Acacia%20auriculiformis%20with%206-Benzylaminopurine%20%28BAP%29.pdf
http://psasir.upm.edu.my/id/eprint/46385/
_version_ 1643833755777892352
score 13.211869

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