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Variability studies in segregating populations of sweet pepper (Capsicum annum (L.) var. rossum Sendt.)

KrishiKosh

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Title Variability studies in segregating populations of sweet pepper (Capsicum annum (L.) var. rossum Sendt.)
 
Creator Bhojaraja.K.Naik
 
Contributor O.Sridevi
 
Subject Genetics and Plant Breeding
 
Description An investigation was undertaken during rabi 2008-09 at Main Agriculture Research
Station, Saidapur farm, University of Agricultural Sciences, Dharwad. The experimental
material comprised of four F2 populations produced by selfing leading commercial hybrids
viz., Golden summer, Bomby, Atlas and Orobelle. The F2 populations were grown in an
unreplicated yield trial under shade house with misting facility and observations were
recorded on sixteen different characters.
Considerable variation was observed between as well as within the F2 populations as
evidenced by the higher mean and wide range of values for most of the characters studied.
High PCV and GCV was observed for fruit weight, fruit volume, seeds per fruit, pericarp
thickness and yield per plant. High heritability coupled with high GAM was observed in
respect of characters fruit weight, fruit shape index, fruit surface area, fruit stalk length and
pericarp thickness.
Character association studies revealed positive significant association of average fruit
weight (0.743) with yield in all the populations studied. Other fruit characters like fruit length
(0.505), fruit surface area (0.572) and number of fruits per plant (0.736) also showed positive
significant association with fruit yield per plant and also among themselves indicating that
one should not neglect these characters while selecting for yield.
Studies conducted to know the contribution of each component trait towards fruit
yield per plant revealed that fruit weight (0.8443) and fruit surface area (0.635) are the most
important characters contributing to yield through high positive direct effect and also
indirectly through other component traits. Number of fruits per plant, fruit volume and
growth parameters also contributed towards fruit yield in sweet pepper due to positive direct
and indirect effect.
For all the characters studied two populations viz., Golden summer and Orobelle
emerged as potential for improving productivity in sweet pepper, as revealed by higher
genetic variability and character association parameters.
 
Date 2016-11-02T16:55:13Z
2016-11-02T16:55:13Z
2009
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/83491
 
Format application/pdf
 
Publisher UAS, Dharwad