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Effect of Genotype × Environment interaction for agro-physiological traits in thermo-tolerant early maturing Indian mustard (Brassica juncea L. Czern and Coss) genotypes under heat stress condition: Effect of Genotype × Environment interaction for agro-physiological traits in thermo-tolerant early maturing Indian mustard (Brassica juncea L. Czern and Coss) genotypes under heat stress condition

Indian Agricultural Research Journals

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Title Effect of Genotype × Environment interaction for agro-physiological traits in thermo-tolerant early maturing Indian mustard (Brassica juncea L. Czern and Coss) genotypes under heat stress condition: Effect of Genotype × Environment interaction for agro-physiological traits in thermo-tolerant early maturing Indian mustard (Brassica juncea L. Czern and Coss) genotypes under heat stress condition
 
Creator BHAGIRATH RAM
V V SINGH
K H SINGH
REEMA RANI
M S SUJITH KUMAR
R S JAT
PRIYAMEDHA
H K SHARMA
P K RAI
 
Subject Effect, Genotype × Environment Interaction, Indian mustard, Stability, Thermo-tolerant, Variability
 
Description Brassica juncea is the predominant oilseed brassica in the Indian subcontinent. It accounts for about 80 per cent of the total area under rapeseed-mustard cultivation in India. A study was carried out at the research farm of ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur during rabi 2018-19, 2019-20 and 2020-21 to study effect of Genotype × Environment interaction and genetic variability of early maturing thermo-tolerant genotypes of Indian mustard (Brassica juncea L. Czern & Coss). G x E interaction was significant for all the characters viz., days to flowering, days to maturity, seed yield (kg/ha), membrane stability index (%), excised leaf- water loss (%), relative water content (RWC %), and water retention capacity of leaves (%) except 1000-seed weight. G x E interaction (linear) was also significant for all these eight characters, indicating substantial amount of predictable G x E interaction. Genotype DRMRHT-13-13-5-4 attained minimum days to maturity (122.88) alongwith regression coefficient near to unity and S2 di near to zero considered as stable. While the genotype DRMRHT-13-13-5-5 attained minimum days to maturity (124.44) alongwith regression coefficient near to unity exhibit average stability. Genotype DRMRHT-13-13-5-4, DRMRHT-13-13-5-5 and DRMRHT-13-22-10 could be included in breeding programme where objective is to develop high yielding and heat tolerant stable genotypes over the environment.
 
Publisher Indian Society of Oilseeds Research
 
Date 2023-12-14
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/JOR/article/view/145318
10.56739/jor.v40iSpecialissue.145318
 
Source Journal of Oilseeds Research; Vol. 40 No. Specialissue (2023): Journal of Oilseeds Research
0970-2776
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/JOR/article/view/145318/53030
 
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