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Studies on seed quality evaluation in barley (Hordeum vulgare L.)

KrishiKosh

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Title Studies on seed quality evaluation in barley (Hordeum vulgare L.)
 
Creator Vikas Singh
 
Contributor Kashyap, R.K.
 
Subject Sowing, Developmental stages, Germinability, Land resources, Genotypes, Barley, Electrical conductivity, Seed quality, Seed vigour, Drying
 
Description The twenty genotypes of barley were evaluated for seed quality by various viability, vigour
tests with three replications, and observations were recorded on standard germination, seedling length,
seedling dry weight, seed weight, seed density, vigour index-I, Vigour Index-II, accelerated ageing test,
electrical conductivity, tetrazolium test, dehydrogenase activity test, pH exudates test, field emergence
index, seedling establishment and mean emergence time .Significant mean squares values showed the
wide variation among the genotypes for all studied parameters. Among all the genotypes BH 393, BH
942 and RD 2552 showed the top rank in almost all parameters. On the contrary, PL 751 and BH 932
genotypes found to be inferior for almost all the viability and vigour parameters.
All the parameters were significantly positively correlated with standard germination except
seed weight, seed density, pH exudates test and mean emergence time whereas field emergence also
showed the positive correlation with all parameters except seed density, pH exudates test and mean
emergence time. The electrical conductivity was negatively correlated with standard germination and
field emergence. Tetrazolium test followed by vigour index-I showed highest reliability for prediction
of standard germination whereas vigour index-I followed by tetrazolium showed the highest reliability
for prediction of field emergence. Correlation coefficient analysis and regression analysis revealed that
vigour and viability parameters viz., tetrazolium test, Dehydrogenase activity test, vigour indices,
electrical conductivity, accelerated ageing, and seedling length can be used as reliable predictors of
standard germination and field emergence in barley. The tetrazolium test and vigour index-I should be
most preferred as they are not only quick and cost effective but also easy to perform.
 
Date 2016-11-09T14:48:23Z
2016-11-09T14:48:23Z
2011
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/84724
 
Language en
 
Format application/pdf
 
Publisher CCSHAU