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Studies on cluster analysis of bhendi Abelmoschus esculentus (L.) Moench

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Title Studies on cluster analysis of bhendi Abelmoschus esculentus (L.) Moench
 
Creator KIRAN PATRO, T.S.K.K
 
Contributor Ravi Sankar, C
 
Subject Studies, cluster, analysis, bhendi, Abelmoschus, esculentus, Moench
 
Description The present investigation was carried out at orchard block of
Agricultural College Farm, Bapatla during the year 2003-2004 to study the
genetic parameters like genetic variability, heritability, genetic advance,
genetic divergence, correlation coefficient studies and path coefficient
analysis in 41 genotypes of bhendi using Randomised Block Design (RBD).
The ANOVA was worked out for 19 characters viz., germination
percentage, plant height, number of branches per plant, number of nodes
per plant, number of days for first fruit setting, number of ridges per fruit,
fruit length, number of fruits per plant, fruit weight, fruit volume, number
of seeds per fruit, 100 seed weight, longivity of tenderness, ascorbic acid
content, yield per plant, shape index, YVMV incidence, powdery mildew
incidence and cercospora leaf spot incidence revealed highly significant
differences for all the characters studied.
Studies on genetic variability revealed that the characters like number
of branches per plant, fruit weight, fruit volume, ascorbic acid content, yield
per plant, YVMV incidence, powdery mildew incidence and cercospora leaf
spot incidence recorded high genetic variability and moderate values
recorded for germination percentage, plant height, number of nodes per
plant, number of ridges per plant, fruit length, number of fruits per plant,
number of seeds per fruit, 100 seed weight and longivity of tenderness and
shape index indicated that the moderate to high values were responsible for
a high degree of genetic variability and thus there is a great scope for
selection.
High heritability along with high genetic advance recorded for all the
characters except germination percentage, number of days for first fruit
setting, number of ridges per fruit, fruit weight and number of seeds per
fruit indicating predominance of additive gene action.
D2 analysis (cluster analysis) given by Mahalanobis stated that the
forty one genotypes of bhendi have considerable genetic divergence and
were grouped into eight different clusters and the pattern of clustering was
not according to the geographical origin. Among the 19 characters studied,
germination percentage contributed maximum towards genetic divergence.
Correlation coefficient analysis on yield per plant with 15 characters
showed highly significant positive correlation with germination percentage,
number of branches per plant, number of ridges per fruit, fruit weight,
number of seeds per fruit, 100 seed weight and ascorbic acid content.
The results on path coefficient analysis with 15 characters indicated
that the characters which exhibited positive direct effect and positive
association like germination percentage, number of branches per plant,
number of nodes per plant, fruit weight fruit volume, number of seeds per
fruit, 100 seed weight and ascorbic acid content would be more effective to
bring improvement of yield and to evolve superior high yielding genotypes
in bhendi.
 
Date 2016-08-20T11:08:34Z
2016-08-20T11:08:34Z
2004
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/73134
 
Language en
 
Relation D7662;
 
Format application/pdf
 
Publisher ACHARYA N. G. RANGA AGRICULTURAL UNIVERSITY, RAJENDRANAGAR, HYDERABAD