Inheritance of resistance to coffee wilt disease (Fusarium xylarioides Steyaert) in Robusta coffee (Coffea canephora Pierre) and breeding perspectives
Knowledge on heritability is essential for selecting varieties resistant against coffee wilt disease caused by Fusarium xylarioides, which is currently devastating coffee in East and Central Africa. Variability of the resistance against coffee wilt disease in Coffea canephora and its inheritance were investigated in three experiments corresponding to a clonal trial involving 20 clones, a 10- parent partial diallel progeny, and a half-sib progeny test. There were significant quantitative genetic variations among the clones and progenies, suggesting polygenic control of the resistance. Around 50-65 % tree mortality was the optimal disease level for calculating heritability and genetic gains. General and specific combining abilities calculated within the optimal disease range for partial diallel analysis were significant. Broad-sense heritability for the same analysis and same disease range was moderate (0.329), and corresponding narrow-sense heritability was low (0.112). Broad-sense heritability from clones in the field at the same disease range was also moderate (0.333). Narrow-sense heritability from regression of half-sib progeny means onto parent means in the field and screen house was 0.183 and 0.369, respectively. Selecting tolerant clones for improvement against the disease is possible, and genetic gains are possible by using tolerant parents in breeding programs.
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Subjects: | F30 - Génétique et amélioration des plantes, H20 - Maladies des plantes, Coffea canephora, Fusarium, héritabilité, résistance aux maladies, http://aims.fao.org/aos/agrovoc/c_1723, http://aims.fao.org/aos/agrovoc/c_3156, http://aims.fao.org/aos/agrovoc/c_3570, http://aims.fao.org/aos/agrovoc/c_2328, http://aims.fao.org/aos/agrovoc/c_8038, |
Online Access: | http://agritrop.cirad.fr/568165/ http://agritrop.cirad.fr/568165/1/document_568165.pdf |
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dig-cirad-fr-5681652024-01-28T21:16:34Z http://agritrop.cirad.fr/568165/ http://agritrop.cirad.fr/568165/ Inheritance of resistance to coffee wilt disease (Fusarium xylarioides Steyaert) in Robusta coffee (Coffea canephora Pierre) and breeding perspectives. Musoli Chungason Pascal, Cilas Christian, Pot David, Nabaggala Agnès, Nakendo Saleh, Pande James, Charrier André, Leroy Thierry, Bieysse Daniel. 2013. Tree Genetics and Genomes, 9 (2) : 351-360.https://doi.org/10.1007/s11295-012-0557-9 <https://doi.org/10.1007/s11295-012-0557-9> Inheritance of resistance to coffee wilt disease (Fusarium xylarioides Steyaert) in Robusta coffee (Coffea canephora Pierre) and breeding perspectives Musoli, Chungason Pascal Cilas, Christian Pot, David Nabaggala, Agnès Nakendo, Saleh Pande, James Charrier, André Leroy, Thierry Bieysse, Daniel eng 2013 Tree Genetics and Genomes F30 - Génétique et amélioration des plantes H20 - Maladies des plantes Coffea canephora Fusarium héritabilité résistance aux maladies http://aims.fao.org/aos/agrovoc/c_1723 http://aims.fao.org/aos/agrovoc/c_3156 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_2328 Ouganda http://aims.fao.org/aos/agrovoc/c_8038 Knowledge on heritability is essential for selecting varieties resistant against coffee wilt disease caused by Fusarium xylarioides, which is currently devastating coffee in East and Central Africa. Variability of the resistance against coffee wilt disease in Coffea canephora and its inheritance were investigated in three experiments corresponding to a clonal trial involving 20 clones, a 10- parent partial diallel progeny, and a half-sib progeny test. There were significant quantitative genetic variations among the clones and progenies, suggesting polygenic control of the resistance. Around 50-65 % tree mortality was the optimal disease level for calculating heritability and genetic gains. General and specific combining abilities calculated within the optimal disease range for partial diallel analysis were significant. Broad-sense heritability for the same analysis and same disease range was moderate (0.329), and corresponding narrow-sense heritability was low (0.112). Broad-sense heritability from clones in the field at the same disease range was also moderate (0.333). Narrow-sense heritability from regression of half-sib progeny means onto parent means in the field and screen house was 0.183 and 0.369, respectively. Selecting tolerant clones for improvement against the disease is possible, and genetic gains are possible by using tolerant parents in breeding programs. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/568165/1/document_568165.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1007/s11295-012-0557-9 10.1007/s11295-012-0557-9 info:eu-repo/semantics/altIdentifier/doi/10.1007/s11295-012-0557-9 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1007/s11295-012-0557-9 |
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F30 - Génétique et amélioration des plantes H20 - Maladies des plantes Coffea canephora Fusarium héritabilité résistance aux maladies http://aims.fao.org/aos/agrovoc/c_1723 http://aims.fao.org/aos/agrovoc/c_3156 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_2328 http://aims.fao.org/aos/agrovoc/c_8038 F30 - Génétique et amélioration des plantes H20 - Maladies des plantes Coffea canephora Fusarium héritabilité résistance aux maladies http://aims.fao.org/aos/agrovoc/c_1723 http://aims.fao.org/aos/agrovoc/c_3156 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_2328 http://aims.fao.org/aos/agrovoc/c_8038 |
spellingShingle |
F30 - Génétique et amélioration des plantes H20 - Maladies des plantes Coffea canephora Fusarium héritabilité résistance aux maladies http://aims.fao.org/aos/agrovoc/c_1723 http://aims.fao.org/aos/agrovoc/c_3156 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_2328 http://aims.fao.org/aos/agrovoc/c_8038 F30 - Génétique et amélioration des plantes H20 - Maladies des plantes Coffea canephora Fusarium héritabilité résistance aux maladies http://aims.fao.org/aos/agrovoc/c_1723 http://aims.fao.org/aos/agrovoc/c_3156 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_2328 http://aims.fao.org/aos/agrovoc/c_8038 Musoli, Chungason Pascal Cilas, Christian Pot, David Nabaggala, Agnès Nakendo, Saleh Pande, James Charrier, André Leroy, Thierry Bieysse, Daniel Inheritance of resistance to coffee wilt disease (Fusarium xylarioides Steyaert) in Robusta coffee (Coffea canephora Pierre) and breeding perspectives |
description |
Knowledge on heritability is essential for selecting varieties resistant against coffee wilt disease caused by Fusarium xylarioides, which is currently devastating coffee in East and Central Africa. Variability of the resistance against coffee wilt disease in Coffea canephora and its inheritance were investigated in three experiments corresponding to a clonal trial involving 20 clones, a 10- parent partial diallel progeny, and a half-sib progeny test. There were significant quantitative genetic variations among the clones and progenies, suggesting polygenic control of the resistance. Around 50-65 % tree mortality was the optimal disease level for calculating heritability and genetic gains. General and specific combining abilities calculated within the optimal disease range for partial diallel analysis were significant. Broad-sense heritability for the same analysis and same disease range was moderate (0.329), and corresponding narrow-sense heritability was low (0.112). Broad-sense heritability from clones in the field at the same disease range was also moderate (0.333). Narrow-sense heritability from regression of half-sib progeny means onto parent means in the field and screen house was 0.183 and 0.369, respectively. Selecting tolerant clones for improvement against the disease is possible, and genetic gains are possible by using tolerant parents in breeding programs. |
format |
article |
topic_facet |
F30 - Génétique et amélioration des plantes H20 - Maladies des plantes Coffea canephora Fusarium héritabilité résistance aux maladies http://aims.fao.org/aos/agrovoc/c_1723 http://aims.fao.org/aos/agrovoc/c_3156 http://aims.fao.org/aos/agrovoc/c_3570 http://aims.fao.org/aos/agrovoc/c_2328 http://aims.fao.org/aos/agrovoc/c_8038 |
author |
Musoli, Chungason Pascal Cilas, Christian Pot, David Nabaggala, Agnès Nakendo, Saleh Pande, James Charrier, André Leroy, Thierry Bieysse, Daniel |
author_facet |
Musoli, Chungason Pascal Cilas, Christian Pot, David Nabaggala, Agnès Nakendo, Saleh Pande, James Charrier, André Leroy, Thierry Bieysse, Daniel |
author_sort |
Musoli, Chungason Pascal |
title |
Inheritance of resistance to coffee wilt disease (Fusarium xylarioides Steyaert) in Robusta coffee (Coffea canephora Pierre) and breeding perspectives |
title_short |
Inheritance of resistance to coffee wilt disease (Fusarium xylarioides Steyaert) in Robusta coffee (Coffea canephora Pierre) and breeding perspectives |
title_full |
Inheritance of resistance to coffee wilt disease (Fusarium xylarioides Steyaert) in Robusta coffee (Coffea canephora Pierre) and breeding perspectives |
title_fullStr |
Inheritance of resistance to coffee wilt disease (Fusarium xylarioides Steyaert) in Robusta coffee (Coffea canephora Pierre) and breeding perspectives |
title_full_unstemmed |
Inheritance of resistance to coffee wilt disease (Fusarium xylarioides Steyaert) in Robusta coffee (Coffea canephora Pierre) and breeding perspectives |
title_sort |
inheritance of resistance to coffee wilt disease (fusarium xylarioides steyaert) in robusta coffee (coffea canephora pierre) and breeding perspectives |
url |
http://agritrop.cirad.fr/568165/ http://agritrop.cirad.fr/568165/1/document_568165.pdf |
work_keys_str_mv |
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