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Screening for Charcoal Rot Resistance in Newly Developed Sesame (Sesamum indicum L.) Genotypes and Multivariate Analysis for the Quantitative Characters

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Title Screening for Charcoal Rot Resistance in Newly Developed Sesame (Sesamum indicum L.) Genotypes and Multivariate Analysis for the Quantitative Characters
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Creator P. Vamshi
K.T. Ramya
M. Santhalakshmi Prasad
J.V. Ramana
S.R. Kumhar
 
Subject Charcoal rot
cluster
resistance
sesame
 
Description Not Available
In the present investigation thirty sesame genotypes were evaluated for agro-morphological characters to study genetic
diversity among newly developed genotypes. First six principal components with eigen value more than one contributed 81.02
% of cumulative variance. The thirty genotypes were categorized into four clusters using agglomerative hierarchical cluster
analysis. Among the clusters, cluster I had the most genotypes (13 genotypes) followed by cluster III (11 genotypes) and cluster
IV was monogenotypic. Charcoal rot leads to 5 to 60 % yield loss and is distributed in all sesame growing areas of India. The
newly developed genotypes were screened for charcoal rot disease. Breeding lines viz., SES-S-19-2102, SES-S-20-3003,
SES-S-20-2001 and 2 varieties CUMS-17, Swetha til recorded less than 10 % root rot infection and three moderately resistant lines viz., GT-10, SES-S-20-1038, SES-S-20-1039 recorded 10 - 20 % root rot infection. These resistant sources may serve as donor parents in hybridization programme for the development of disease resistant high yielding varieties in future crop improvement programmes.
ICAR
 
Date 2023-01-25T08:57:36Z
2023-01-25T08:57:36Z
2022-12-01
 
Type Research Paper
 
Identifier Not Available
2393-8234
http://krishi.icar.gov.in/jspui/handle/123456789/75804
 
Language English
 
Relation Not Available;
 
Publisher Astha Foundation