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Inheritance of fresh seed dormancy in Spanish-type peanut (Arachis hypogae L.) : bias introduced by inadvertent selfed flowers as revealed by microsatellite markers control / Issa Faye
Inheritance of fresh seed dormancy in Spanish-type peanut (Arachis hypogae L.) : bias introduced by inadvertent selfed flowers as revealed by microsatellite markers control [texte imprimé] / Issa Faye, Auteur ; Daniel Fonceka, Auteur ; Jean-Francois Rami, Auteur ; Tossim Hodo-Abalo, Auteur ; Mbaye Ndoye Sall, Auteur ; A. Tahir Diop, Auteur ; Ousmane Ndoye, Auteur . - [S.l.] : african journal of biotechnology, 2010 . - 6p.
Langues : Français (fre)
Catégories : SCIENCES ET PRODUCTIONS VEGETALES Mots-clés : Semences, dormance, marqueurs SSR, hybrides Index. décimale : F030-Production de semences Résumé : Production and seed quality in peanut (Arachis hypogaea L.) can be reduced substantially by in situ germination under unpredictable rainfed environments. Inheritance of fresh seed dormancy in Spanish x Spanish crosses was studied with two sets of segregating populations, an F2 population derived from true F1 hybrids identified with pean ut microsatellites markers and other populations (F2, BC1P1S and BC1P2S) from randomly-selected F1 individuals. ln the F2 population developed with true F1 hybrids, the chi square test was not significant for the deviation from the expected 3:1 (dormant: non-dormant) ratio.
ln addition, the bimodal frequency distribution curve with the F2 population gave more evidence that fresh seed dormancy is controlled by a single dominant gene. The average frequency (48%) of true F1 hybrids give evidence that deviations from expected ratios in the populations (F2 and BC1P1S)developeà from non-tested F1 individuals, is most likely due to inadvertent selfs. This study emphasized the need to identify with molecular markers the cross progenies in self-pollinated crops as peanut
before testing for any trait.Exemplaires
Code-barres Cote Support Localisation Section Disponibilité CN1502973 E030- FAY Article scientifique UNIVAL Tirés à part Exclu du prêt Documents numériques
CLIQUER POUR OUVRIRURL Euphytica : International Journal of Plant Breeding. Identification of quantitative trait loci for yield and yield related traits in groundnut (Arachis hypogaea L.) under different water regimes in Niger and Senegal / Issa Faye
Euphytica : International Journal of Plant Breeding. Identification of quantitative trait loci for yield and yield related traits in groundnut (Arachis hypogaea L.) under different water regimes in Niger and Senegal [texte imprimé] / Issa Faye, Auteur ; Manish K. Pandey, Auteur ; Falalou Hamidou, Auteur ; Abhiskek Rathore, Auteur ; Ousmane Ndoye, Auteur ; Vincent Vadez, Auteur ; Rajeev K. Varshney, Auteur . - [S.l.] : Springer, 30 may 2015 . - 19 p.
Langues : Anglais (eng)Exemplaires
Code-barres Cote Support Localisation Section Disponibilité IS1500003 F600-FAY Article scientifique UNIVAL Section Périodiques Exclu du prêt CN1800003 F600-FAY Publication UNIVAL Tirés à part Exclu du prêt Documents numériques
Cliquer pour le pdfURL Frontiers in Plant Science, Volume 7, Article 821. Polyploidy can Confer Superiority to West African Acacia senegal (L.) Willd. Trees / Adia Madjiguène Diallo
Frontiers in Plant Science, Volume 7, Article 821. Polyploidy can Confer Superiority to West African Acacia senegal (L.) Willd. Trees [texte imprimé] / Adia Madjiguène Diallo, Auteur ; Lene R. Nielsen, Auteur ; Erik D. Kjær, Auteur ; Karen K. Petersen, Auteur ; Anders Ræbild, Auteur . - [s.d.] . - 10 p.
Langues : Anglais (eng)
Catégories : SCIENCES ET PRODUCTIONS VEGETALES Mots-clés : Polyploïdie, adaptation, zone aride, acacia Senegal, stress hydrique Index. décimale : F311-Base génétique, gènes, chromosomes, génomes En ligne : http://journal.frontiersin.org/article/10.3389/fpls.2016.00821/full Format de la ressource électronique : Exemplaires
Code-barres Cote Support Localisation Section Disponibilité IS1600015 F311-DIA Publication UNIVAL Tirés à part Exclu du prêt International journal of agriculture and biology, Vol.20, n° 3. Assessment of pearl millet genotypes for Downy Mildew resistance and agronomic performance under field conditions in Senegal / Yedomon Ange Bovys Zoclanclounon
International journal of agriculture and biology, Vol.20, n° 3. Assessment of pearl millet genotypes for Downy Mildew resistance and agronomic performance under field conditions in Senegal [texte imprimé] / Yedomon Ange Bovys Zoclanclounon, Auteur ; Ghislain KANFANY, Auteur ; Cheikh Thiaw, Auteur ; Amadou Fofana, Auteur ; Nalla Mbaye, Auteur ; Ndiaga Cissé, Auteur . - [S.l.] : Friends science publishers, 2018 . - p. 493-498.
Langues : Anglais (eng)
Catégories : SCIENCES ET PRODUCTIONS VEGETALES Mots-clés : Petit mil, Moisissure, Génotypage, Résistance, Incidence, Sénégal Index. décimale : F028-Génétique et amélioration des plantes Résumé : Sclerospora graminicola is a pathogen that causes important damage in pearl millet [Pennisetum glaucum (L.) R. Brown] fields in Asia and Africa. In order to identify new sources of resistance to this disease, a set of 20 genotypes was assessed during the rainy season 2015 at Bambey, Nioro, Kolda and Sinthiou Maleme research stations in Senegal. Comparative survey between locations showed that the highest downy mildew incidence (100%) was recorded in Kolda. The 7042S, an international susceptible check, showed downy mildew incidence of 91.12%, IP22441 line was susceptible at Kolda (incidence = 30.5%), resistant at Sinthiou Maleme (incidence = 6.5%), moderately resistant at Bambey (incidence = 18%) and highly susceptible at Nioro (incidence = 70%). IP22295 line was susceptible at Kolda (incidence = 24.5%) but resistant at Bambey (incidence = 0%), Nioro (incidence = 3.5%) and Sinthiou Maleme (incidence = 0%). A hierarchical cluster analysis of these tested genotypes integrating agronomic parameters and response to downy mildew has identified four genotype groups characterized by downy mildew resistance, vegetative growth, panicle yield and flowering time. This study has shown the variability of S. graminicola populations from different tested locations. Genotypes IP22315, IP2295, SOSAT-C88-Sadore and SOSAT-C88-Pantacheru presented stable resistance to downy mildew across the tested locations. These genotypes can be used as parents for breeding pearl millet varieties resistant to the downy mildew disease under Senegal environments. Exemplaires
Code-barres Cote Support Localisation Section Disponibilité CN1800001 F028-ZOC Article scientifique UNIVAL Tirés à part Exclu du prêt Documents numériques
Cliquer pour ouvrirURL PLoS ONE, Vol.7, n°7. An international reference consensus genetic map with 897 marker loci based on 11 mapping populations for tetraploid groundnut (Arachis hypogaea L.) / Bhimana Gautami
PLoS ONE, Vol.7, n°7. An international reference consensus genetic map with 897 marker loci based on 11 mapping populations for tetraploid groundnut (Arachis hypogaea L.) [texte imprimé] / Bhimana Gautami, Auteur ; Daniel Fonceka, Auteur ; Manish K. Pandey, Auteur ; M C Moretzsohn, Auteur ; Venkataswamy Sujay, Auteur ; Hongde Qin, Auteur ; Yanbin Hong, Auteur ; Issa Faye, Auteur . - [S.l.] : Universite of new england, Australia, [s.d.] . - 11 p.
Langues : Anglais (eng)
Catégories : SCIENCES ET PRODUCTIONS VEGETALES Mots-clés : Marquage génétique, arachide, arachis hypogaea L. Index. décimale : F028-Génétique et amélioration des plantes Résumé : Only a few genetic maps based on recombinant inbred line (RIL) and backcross (BC) populations have been developed for tetraploid groundnut. The marker density, however, is not very satisfactory especially in the context of large genome size (2800 Mb/1C) and 20 linkage groups (LGs)_Therefore, using marker segregation data for 10 RILs and one BC population from the international groundnut community, with the help of common markers across different populations, a reference consensus genetic map has been developed. This map is comprised of 897 marker loci including 895 simple sequence repeat (SSR) and 2 cleaved amplified polymorphic sequence (CAPS) loci distributed on 20 LGs (a01-a10 and b01-b10)
spanning a map distance of 3, 863.6 cM with an average map density of 4.4 cM. The highest numbers of markers (70) were integrated on a01 and the least number of markers (21) on b09. The marker density, however, was lowest (6.4 cM) on a08 and highest (2.5 cM) on a01. The reference consensus map has been divided into 20 cM long 203 BINs. These BINs carry 1
(a10_02, a10_08 and a10_09) to 20 (al0_04) loci with an average of 4 marker loci per BIN. Although the polymorphism information content (PIC) value was available for 526 markers in 190 BINs, 36 and 111 BINs have at least one marker with >0.70 and >0.50 PIC values, respectively. This information will be useful for selecting highly informative and uniformly distributed markers for developing new genetic maps, background selection and diversity analysis. Most importantly, this referenoe consensus map will serve as a reliable reference for aligning new genetic and physical maps, performing QTL analysis in a multi-populations design, evaluating the genetic background effect on QTL expression, and serving other
genetic and molecular breeding activities in groundnut.Exemplaires
Code-barres Cote Support Localisation Section Disponibilité CN1502976 B100-GAU Article scientifique UNIVAL Tirés à part Exclu du prêt Documents numériques
http://intranet.isra.sn/aurifere/opac_css/docnum/CN1502976.pdfURL