Indian Society of Genetics & Plant Breeding

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GENOTYPIC VARIABILITY AND CORRELATION STUDIES OF LEAF CHARACTERS IN TERMINALIA SPECIES

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Genetic variability, genotypic and phenotypic coefficient of variation, heritability, genetic
advance and interrelationships of nine foliar characters in 39 genotypes of Terminalla
arjuna and T. tomentosa were studied. Maximum variation was observed in leaf weight
followed by leaf area, L x 8 and stomatal frequency. The small values of error variances for
all nine foliar characters suggest that they are genetically controlled. High GCV and PCV
were rqlnrted for leaf w~ight, leaf area, L X 8, breadth and length of leaf and stomatal
frequ~ncyin descending order. High heritability was associate~with high genetic advance
for L x 8 and leaf area which confirms that the additive gene effects are important in
determining these characters. The low and moderate genetic advance with high heritability
for other seven foliar characters;is possibly due to intra- and interallelic interaction. Leaf
area, length, breadth, L X 8, weight of leaf and stomatal length had significant positive
correlation with each other while stomatal frequency had significant negative correlation
with these characters.
 

Keywords: Variability, heritability, genetic advance, correlation, Terminalia

Info

Year: 1993
Volume: 53
Issue: 1
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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