Character Association and Path Analysis in Groundnut (Arachis hypogaea L.)
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Date
2016
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Publisher
MPUAT, Udaipur
Abstract
The present investigation entitled “Character Association and Path Analysis in
Groundnut (Arachis hypogaea L.)” was conducted with 24 genotypes (including three
checks namely UG-5 (Pratap Raj Mungphali), PM-2, GG-7) during Kharif- 2015 at
the Instructional Farm, College of Technology and Engineering, Maharana Pratap
University of Agricultural and Technology, Udaipur. The genotypes were planted in a
randomized block design with three replications.
The observations were recorded for 12 characters viz., days to 50% flowering,
days to maturity, plant height, number of pods per plant, dry pod yield per plant,
kernel yield per plant, 100-kernel weight, sound mature kernel, shelling out turn, seed
oil content, number of kernels per pod and weight of single pod on five randomly
selected plants from each genotype in all the replications while days to 50% flowering
and days to maturity which were recorded on plot basis and average value was
subjected to analysis of variance, estimation of variability parameters, correlation and
path coefficient.
The estimates of genotypic parameters revealed that differences between the
estimates of GCV and PCV were found least for most of the characters. Higher
estimates of GCV were observed for number of mature pods per plant. Maximum
heritability was found for plant height. While, maximum genetic gain was observed
for number of pods per plant followed by weight of single pod.
Association estimate revealed that dry pod yield per plant was positively
correlated at both genotypic and phenotypic levels with kernel yield per plant ,
number of pods per plant, plant height, 100-kernel weight, sound mature kernels shelling percent and number of kernels per pod. Similarly, kernel yield per plant also
showed positive correlation with dry pod yield, at both genotypic and phenotypic
levels.
Present experimental findings revealed that characters, number of mature pods
per plant and weight of single pod, showed high GCV, heritability and genetic gain.
Hence, selection can be made for improvement of these characters.
Path coefficient analysis revealed maximum direct effect by kernel yield per
plant (1.05) with dry pod yield per plant.
Such an association may used for more effective breeding programmes
Description
Character Association and Path Analysis in
Groundnut (Arachis hypogaea L.)
Keywords
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Citation
Jain and Sharma, 2016