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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here
ICV 2022: 95.28
Index Copernicus ICI Journals Master List 2022 - IJCMAS--ICV 2022: 95.28
For more details click here
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Original Research Articles                      Volume : 10, Issue:12, December, 2021
PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38
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Int.J.Curr.Microbiol.App.Sci.2021.10(12): 283-296
DOI: https://doi.org/10.20546/ijcmas.2021.1012.033


Diallel Analysis of Severity Score and Defoliation Percent of Late Leaf Spot (Cercosporidium personatum) [Berk.and Curtis] Deighton]) on Peanut (Arachis hypogaea L)
Neya Bawomon Fidèle1*, Thio Ibié Gilles2, Dabire Tobdem Gaston1, Nana Toundwensida Abel1, Koita Kadidia3, Zagre M’BI Bertin2 and Sankara Philippe4
1Université Nazi BONI/Centre Universitaire de Gaoua 01, P.O Box 1091, Bobo-Dioulasso 01, Burkina Faso.
2Institut de l’Environnement et de Recherches Agricoles (INERA) 01, P.O Box 476 Ouagadougou 01, Burkina Faso.
3Université Joseph KI-ZERBO / UFR Science de la Vie et de la Terre 03 P.O Box 7021 Ouagadougou 03, Burkina Faso.
4Université Aube Nouvelle 06 P.O Box 9283 Ouagadougou 06, Burkina Faso.
*Corresponding author
Abstract:

Peanut late leaf spot (Cercosporidium personatum) [Berk.and Curtis] Deighton]) caused yield losses worldwide. An analysis of the genetic effects of resistance to late leaf spot on peanut in a full diallel was performed using Griffing (1956) and Hayman (1954) methods. The objective of the study was to analyse the genetic potential of six parental lines and to determine through severity score and percent defoliation how resistance was transmitted to their descendants. The study found that the severity score gives a broad-sense heritability of 90.2% and a narrow-sense heritability of 70.8%. Defoliation indicated broad-sense heritability of 39% and a narrow-sense heritability of 40.6%. Graphical analysis revealed that resistance to the disease may arise from a complex of dominant and recessive genes. GCA, SCA and Reciprocal Combining Effect was highly significant for the severity score and no significant for defoliation. Additivity have a preponderant influence on the resistance gene expression and severity score appear to be first choice trait in the diallel analyzes for resistance. This severity score better reflected resistance it was more heritable and could be a trait of choice in the breeding strategy to improve resistance to late leaf spot. NAMA, PC79-79, GM656 could be recommended in hybridization programs aimed at improving resistance to late leaf spot.


Keywords: Late leaf spot, heritability, diallel, percent defoliation, severity score

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How to cite this article:

Neya Bawomon Fidèle, Thio Ibié Gilles, Dabire Tobdem Gaston, Nana Toundwensida Abel, Koita Kadidia, Zagre M’BI Bertin and Sankara Philippe. 2021. Diallel Analysis of Severity Score and Defoliation Percent of Late Leaf Spot (Cercosporidium personatum) [Berk.and Curtis] Deighton]) on Peanut (Arachis hypogaea L).

Int.J.Curr.Microbiol.App.Sci. 10(12): 283-296. doi: https://doi.org/10.20546/ijcmas.2021.1012.033
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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