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Genetic variability of early flowering and yield contributing traits in Barnyard Millet [Echinochloa frumentacea (Roxb). Link] grown at different altitudes

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Title Genetic variability of early flowering and yield contributing traits in Barnyard Millet [Echinochloa frumentacea (Roxb). Link] grown at different altitudes
 
Creator Raju, Prabu
Chockalingam, Vanniarajan
Vetriventhan, Mani
RP, Gnanamalar
R, Shanmughasundaram
J, Ramalingam
 
Subject Genetic advance
Genetic environments
Genotypic\Phenotypic co-efficient of variation
Heritability
Western Ghats
 
Description 131-136
Barnyard millet is an important up surging minor millet in Asia countries for food and nutritional security. Being a minor
crop, the genetics and inheritance of the traits need to understand, for effective utilization in the crop improvement
programmes. Here, we investigated the genetic background and inheritance of different traits in barnyard millet genotypes.
Forty germplasm accessions were evaluated in different ecological environments of southern India for 17 quantitative traits.
Genetic variability analysis using GENSTAT and the pooled REML mean data results revealed that Phenotypic Co-efficient
of Variation (PCV) was greater than the Genotypic Co-efficient of Variation (GCV) over the diverged ecological locations
indicating the existence of environmental influence on all the biometric traits studied. In the Western Ghats region (E1),
high heritability coupled with high genetic advance was exhibited for traits like days to flowering, plant height, days to
maturity, number of nodes, length of nodes, number of basal tillers, stem diameter, flag leaf length, flag leaf width,
inflorescence length, inflorescence width, length of peduncle, number of racemes, single ear head weight and grain yield per
plant. Traits like thousand grain weight expressed moderate genetic advance with high heritability while, length of lower
racemes expressed moderate heritability with high genetic advance. Similarly, high heritability coupled with high genetic
advance was recorded for all the characters in valley region (E2) except thousand grain weight that showed high heritability
but moderate genetic advance. In contrast, in the area of plains (E3), all the traits exhibited high heritability coupled with
high genetic advance. Since, majority of the traits have shown high heritability with high genetic advance, selection might
be effective in these traits irrespective of the environment.
 
Date 2022-01-31T10:26:24Z
2022-01-31T10:26:24Z
2022-02
 
Type Article
 
Identifier 0975-1009 (Online); 0019-5189 (Print)
http://nopr.niscair.res.in/handle/123456789/59003
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJEB Vol.60(02) [Feb 2022]