Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies

Breeding for hybrid DxP oil palm in many commercial seed producers has recently switched from simple two-way crosses to complicated multi-way crosses with the hope of increasing hybrid vigour and thus higher yield potential. The objective of this study was to evaluate the yield potential of the mult...

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Main Authors:	Kandha Sritharan, Mohan Subramaniam, Xaviar Arulandoo, Mohd Rafii Yusop
Format:	Article
Language:	English
Published:	Penerbit Universiti Kebangsaan Malaysia 2017
Online Access:	http://journalarticle.ukm.my/11387/ http://journalarticle.ukm.my/11387/ http://journalarticle.ukm.my/11387/1/30%20Kandha%20Sritharan.pdf

id	ukm-11387
recordtype	eprints
spelling	ukm-113872018-02-15T05:30:34Z http://journalarticle.ukm.my/11387/ Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies Kandha Sritharan, Mohan Subramaniam, Xaviar Arulandoo, Mohd Rafii Yusop, Breeding for hybrid DxP oil palm in many commercial seed producers has recently switched from simple two-way crosses to complicated multi-way crosses with the hope of increasing hybrid vigour and thus higher yield potential. The objective of this study was to evaluate the yield potential of the multi-way (MW) crosses as compared to conventional two way (TW) crosses in United Plantations Berhad. A trial was set up in 2004 where 20 crosses of both multi-way and two-way combinations were field planted and evaluated for six years after maturity. Palms were assessed for yield traits and bunch components through bunch analysis. Fresh fruit bunch weight for both types of crosses was significantly different with MW crosses yielding 37.11 tonnes per ha per year as opposed to TW crosses with 36.40. MW crosses had 1.46 tonnes oil per ha per year advantage over TW. High coefficient of variation (CV%) was seen for selected traits such as bunch number (BNO), average bunch weight (ABW), kernel, shell and mesocarp to bunch (KB, SB and MB), oil to dry and oil to wet mesocarp (ODM and OWM), as well as mean fruit weight (MFW). ANOVA showed that replicate (REP), year (Y) and progeny (ID) were significantly different (p≤0.01) for BNO and fresh fruit bunch (FFB) in both crosses but not significant for REP in ABW of TW. REP was not significant for all the traits except ODM whereas ID was significant for all the traits in both TW and MW. Phenotypic and genotypic coefficients of variance (PCV and GCV) were low (<10%) for all the traits in both types of crosses with MW crosses showing higher PCV and GCV in most cases. Heritability for ABW, FFB, KB, oil to bunch (OB), SB and MFW were higher in MW crosses but lower for BNO, fruit to bunch (FB), MB, ODM and OWM compared to TW crosses. Penerbit Universiti Kebangsaan Malaysia 2017-09 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/11387/1/30%20Kandha%20Sritharan.pdf Kandha Sritharan, and Mohan Subramaniam, and Xaviar Arulandoo, and Mohd Rafii Yusop, (2017) Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies. Sains Malaysiana, 46 (9). pp. 1587-1595. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol46num9_2017/contentsVol46num9_2017.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	Breeding for hybrid DxP oil palm in many commercial seed producers has recently switched from simple two-way crosses to complicated multi-way crosses with the hope of increasing hybrid vigour and thus higher yield potential. The objective of this study was to evaluate the yield potential of the multi-way (MW) crosses as compared to conventional two way (TW) crosses in United Plantations Berhad. A trial was set up in 2004 where 20 crosses of both multi-way and two-way combinations were field planted and evaluated for six years after maturity. Palms were assessed for yield traits and bunch components through bunch analysis. Fresh fruit bunch weight for both types of crosses was significantly different with MW crosses yielding 37.11 tonnes per ha per year as opposed to TW crosses with 36.40. MW crosses had 1.46 tonnes oil per ha per year advantage over TW. High coefficient of variation (CV%) was seen for selected traits such as bunch number (BNO), average bunch weight (ABW), kernel, shell and mesocarp to bunch (KB, SB and MB), oil to dry and oil to wet mesocarp (ODM and OWM), as well as mean fruit weight (MFW). ANOVA showed that replicate (REP), year (Y) and progeny (ID) were significantly different (p≤0.01) for BNO and fresh fruit bunch (FFB) in both crosses but not significant for REP in ABW of TW. REP was not significant for all the traits except ODM whereas ID was significant for all the traits in both TW and MW. Phenotypic and genotypic coefficients of variance (PCV and GCV) were low (<10%) for all the traits in both types of crosses with MW crosses showing higher PCV and GCV in most cases. Heritability for ABW, FFB, KB, oil to bunch (OB), SB and MFW were higher in MW crosses but lower for BNO, fruit to bunch (FB), MB, ODM and OWM compared to TW crosses.
format	Article
author	Kandha Sritharan, Mohan Subramaniam, Xaviar Arulandoo, Mohd Rafii Yusop,
spellingShingle	Kandha Sritharan, Mohan Subramaniam, Xaviar Arulandoo, Mohd Rafii Yusop, Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies
author_facet	Kandha Sritharan, Mohan Subramaniam, Xaviar Arulandoo, Mohd Rafii Yusop,
author_sort	Kandha Sritharan,
title	Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies
title_short	Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies
title_full	Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies
title_fullStr	Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies
title_full_unstemmed	Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies
title_sort	yield and bunch quality component comparison between two-way crosses and multi-way crosses of dxp oil palm progenies
publisher	Penerbit Universiti Kebangsaan Malaysia
publishDate	2017
url	http://journalarticle.ukm.my/11387/ http://journalarticle.ukm.my/11387/ http://journalarticle.ukm.my/11387/1/30%20Kandha%20Sritharan.pdf
first_indexed	2023-09-18T20:00:11Z
last_indexed	2023-09-18T20:00:11Z
_version_	1777406796794691584

Yield and bunch quality component comparison between two-way crosses and multi-way crosses of DxP oil palm progenies

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