Merits of a pedigree selection cycle for the creation of elite oil palm (E. Guineensis, Jacq.)
Around 1955, heterosis was found to exist in crosses between oil palms bred in Asia and those bred in Africa. In order to exploit it, a reciprocal recurrent selection scheme was launched Two selection cycles have been implemented since 1960. At the same time, varietal creation programmes were designed to enable integration of the genetic progress achieved in trials into the seeds distributed Oil palm seeds are grouped into categories which, in our scheme, are hybrids of full-sib families. Usually, the latter are derived from selfs of the best palms selected during a breeding cycle. As they are highly heterozygous, substantial genetic variance persists in those families, which it is possible to take advantage of through a pedigree selection cycle. It is then possible to improve certain traits of the initial hybrid category in a highly Significant way (production, extraction rate, disease resistance), whilst maintaining other favourable traits (bulk, vertical growth, etc.). Examples are given for 3 categories of hybrids from a network of 4 trials. Genetic progress has been achieved in production (between + 8 and 12%) and in the extraction rate (up to +10%). Significant progress has also been achieved in vascular will resistance. Provided selfs are available for varietal creation, this selection cycle can be launched very rapidly, well before the normal recurrent selection cycle with recombinations. This stage is also very effective for eliminating the genetic load, in that the best parents tested are reused in the recombination programme of the recurrent selection scheme.
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Subjects: | F30 - Génétique et amélioration des plantes, Elaeis guineensis, méthode d'amélioration génétique, amélioration par hétérosis, variété, héritabilité, résistance aux facteurs nuisibles, http://aims.fao.org/aos/agrovoc/c_2509, http://aims.fao.org/aos/agrovoc/c_1079, http://aims.fao.org/aos/agrovoc/c_34295, http://aims.fao.org/aos/agrovoc/c_8157, http://aims.fao.org/aos/agrovoc/c_3570, http://aims.fao.org/aos/agrovoc/c_6520, |
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dig-cirad-fr-5255412024-01-28T13:28:53Z http://agritrop.cirad.fr/525541/ http://agritrop.cirad.fr/525541/ Merits of a pedigree selection cycle for the creation of elite oil palm (E. Guineensis, Jacq.). Durand-Gasselin Tristan, Cochard Benoît, De Franqueville Hubert, Nouy Bruno, Potier Françoise, Louise Claude, Amblard Philippe, Flori Albert. 2002. In : Enhancing oil palm industry development through environmentally friendly technology : Proceedings of agriculture conference, 2002 International Oil Palm Conference, Nusa Dua, Bali, July 8 - 12 2002. Poeloengan Zulkarnain (ed.), Guritno Purboyo (ed.), Darnoko D. (ed.), Buana Lalang (ed.), Purba Abdul Razak (ed.), Darmosarkoro W. (ed.), Sudharto Ps (ed.), Haryati Tri (ed.), Elisabeth Jenny (ed.), Siahaan Donald (ed.), Wahyono Teguh (ed.). IOPRI. Medan : IOPRI, 121-133. ISBN 979-8529-26-X International Oil Palm Conference, Bali, Indonésie, 8 Juillet 2002/12 Juillet 2002. Merits of a pedigree selection cycle for the creation of elite oil palm (E. Guineensis, Jacq.) Durand-Gasselin, Tristan Cochard, Benoît De Franqueville, Hubert Nouy, Bruno Potier, Françoise Louise, Claude Amblard, Philippe Flori, Albert eng 2002 IOPRI Enhancing oil palm industry development through environmentally friendly technology : Proceedings of agriculture conference, 2002 International Oil Palm Conference, Nusa Dua, Bali, July 8 - 12 2002 F30 - Génétique et amélioration des plantes Elaeis guineensis méthode d'amélioration génétique amélioration par hétérosis variété héritabilité résistance aux facteurs nuisibles http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_1079 http://aims.fao.org/aos/agrovoc/c_34295 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_6520 Around 1955, heterosis was found to exist in crosses between oil palms bred in Asia and those bred in Africa. In order to exploit it, a reciprocal recurrent selection scheme was launched Two selection cycles have been implemented since 1960. At the same time, varietal creation programmes were designed to enable integration of the genetic progress achieved in trials into the seeds distributed Oil palm seeds are grouped into categories which, in our scheme, are hybrids of full-sib families. Usually, the latter are derived from selfs of the best palms selected during a breeding cycle. As they are highly heterozygous, substantial genetic variance persists in those families, which it is possible to take advantage of through a pedigree selection cycle. It is then possible to improve certain traits of the initial hybrid category in a highly Significant way (production, extraction rate, disease resistance), whilst maintaining other favourable traits (bulk, vertical growth, etc.). Examples are given for 3 categories of hybrids from a network of 4 trials. Genetic progress has been achieved in production (between + 8 and 12%) and in the extraction rate (up to +10%). Significant progress has also been achieved in vascular will resistance. Provided selfs are available for varietal creation, this selection cycle can be launched very rapidly, well before the normal recurrent selection cycle with recombinations. This stage is also very effective for eliminating the genetic load, in that the best parents tested are reused in the recombination programme of the recurrent selection scheme. conference_item info:eu-repo/semantics/conferenceObject Conference info:eu-repo/semantics/closedAccess http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=185815 http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=186210 |
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F30 - Génétique et amélioration des plantes Elaeis guineensis méthode d'amélioration génétique amélioration par hétérosis variété héritabilité résistance aux facteurs nuisibles http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_1079 http://aims.fao.org/aos/agrovoc/c_34295 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_6520 F30 - Génétique et amélioration des plantes Elaeis guineensis méthode d'amélioration génétique amélioration par hétérosis variété héritabilité résistance aux facteurs nuisibles http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_1079 http://aims.fao.org/aos/agrovoc/c_34295 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_6520 |
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F30 - Génétique et amélioration des plantes Elaeis guineensis méthode d'amélioration génétique amélioration par hétérosis variété héritabilité résistance aux facteurs nuisibles http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_1079 http://aims.fao.org/aos/agrovoc/c_34295 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_6520 F30 - Génétique et amélioration des plantes Elaeis guineensis méthode d'amélioration génétique amélioration par hétérosis variété héritabilité résistance aux facteurs nuisibles http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_1079 http://aims.fao.org/aos/agrovoc/c_34295 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_6520 Durand-Gasselin, Tristan Cochard, Benoît De Franqueville, Hubert Nouy, Bruno Potier, Françoise Louise, Claude Amblard, Philippe Flori, Albert Merits of a pedigree selection cycle for the creation of elite oil palm (E. Guineensis, Jacq.) |
description |
Around 1955, heterosis was found to exist in crosses between oil palms bred in Asia and those bred in Africa. In order to exploit it, a reciprocal recurrent selection scheme was launched Two selection cycles have been implemented since 1960. At the same time, varietal creation programmes were designed to enable integration of the genetic progress achieved in trials into the seeds distributed Oil palm seeds are grouped into categories which, in our scheme, are hybrids of full-sib families. Usually, the latter are derived from selfs of the best palms selected during a breeding cycle. As they are highly heterozygous, substantial genetic variance persists in those families, which it is possible to take advantage of through a pedigree selection cycle. It is then possible to improve certain traits of the initial hybrid category in a highly Significant way (production, extraction rate, disease resistance), whilst maintaining other favourable traits (bulk, vertical growth, etc.). Examples are given for 3 categories of hybrids from a network of 4 trials. Genetic progress has been achieved in production (between + 8 and 12%) and in the extraction rate (up to +10%). Significant progress has also been achieved in vascular will resistance. Provided selfs are available for varietal creation, this selection cycle can be launched very rapidly, well before the normal recurrent selection cycle with recombinations. This stage is also very effective for eliminating the genetic load, in that the best parents tested are reused in the recombination programme of the recurrent selection scheme. |
format |
conference_item |
topic_facet |
F30 - Génétique et amélioration des plantes Elaeis guineensis méthode d'amélioration génétique amélioration par hétérosis variété héritabilité résistance aux facteurs nuisibles http://aims.fao.org/aos/agrovoc/c_2509 http://aims.fao.org/aos/agrovoc/c_1079 http://aims.fao.org/aos/agrovoc/c_34295 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_6520 |
author |
Durand-Gasselin, Tristan Cochard, Benoît De Franqueville, Hubert Nouy, Bruno Potier, Françoise Louise, Claude Amblard, Philippe Flori, Albert |
author_facet |
Durand-Gasselin, Tristan Cochard, Benoît De Franqueville, Hubert Nouy, Bruno Potier, Françoise Louise, Claude Amblard, Philippe Flori, Albert |
author_sort |
Durand-Gasselin, Tristan |
title |
Merits of a pedigree selection cycle for the creation of elite oil palm (E. Guineensis, Jacq.) |
title_short |
Merits of a pedigree selection cycle for the creation of elite oil palm (E. Guineensis, Jacq.) |
title_full |
Merits of a pedigree selection cycle for the creation of elite oil palm (E. Guineensis, Jacq.) |
title_fullStr |
Merits of a pedigree selection cycle for the creation of elite oil palm (E. Guineensis, Jacq.) |
title_full_unstemmed |
Merits of a pedigree selection cycle for the creation of elite oil palm (E. Guineensis, Jacq.) |
title_sort |
merits of a pedigree selection cycle for the creation of elite oil palm (e. guineensis, jacq.) |
publisher |
IOPRI |
url |
http://agritrop.cirad.fr/525541/ |
work_keys_str_mv |
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