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GENETIC VARIABILITY, DIVERGENCE AND CHARACTER ASSOCIATION IN CHILLI

KrishiKosh

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Title GENETIC VARIABILITY, DIVERGENCE AND CHARACTER ASSOCIATION IN CHILLI
 
Creator Pradhan, Kalyani
 
Contributor Nandi, Alok
 
Subject GENETIC VARIABILITY, DIVERGENCE, CHARACTER ASSOCIATION, CHILLI
 
Description Three varietal trials namely IET, AVT-I and AVT-II were conducted on chilli
at the AICRP on Vegetable Crops, O.U.A.T., Bhubaneswar, during the winter season
of 2013-14. There were 8, 10 and 12 entries respectively in the three trials, which
were replicated thrice and laid out in the randomized block design. The objectives of
the study were as follows:
Evaluation of new genotypes of chilli for per se performance.
Assessment of the magnitude of genetic variability among new genotypes of
chilli.
Estimation of the genetic divergence and clustering of chilli genotypes.
Correlation and path co-efficient analysis in chilli.
Estimation of quality parameters in chilli genotypes.
Results revealed that in IET the genotype 2013/CHIVAR-1 recorded the
maximum number of fruits per plant. Highest fruit weight as well as fruit yield/ha
were recorded in the genotype 2013/CHIVAR-2. Maximum recovery ratio (dry: red
ripe fruit) and early flowering were observed in Utkal Ava. In AVT-I, the genotype
2012/ CHIVAR-2 showed superiority in respect of several traits like early flowering,
fruit yield per plant, fruits per plant, fruit weight and fruit yield/ha. Maximum
recovery ratio (dry: red ripe fruit) was observed in KA-2 and Utkal Ava. In AVT-II,
2011/CHIVAR-1 produced the highest yield/ha and recovery ratio (dry: red ripe fruit).
Heritability (broad sense) was found to be highest for days to 50% flowering
followed by fruit length and plant height. The maximum Genetic advance was
observed in case of fruit yield per plant followed by plant height and days to 50%
flowering. Average fruit weight recorded high positive correlation with plant girth,
fruit yield/plant and fruit girth at genotypic level. The genotypic correlation between
fruit girth and fruit yield was positive and high. Fruit girth also exerted the maximum
positive direct effect on fruit yield per plant followed by days to 50% flowering.
Twelve genotypes of chilli could be grouped into 5 clusters and the distance between
clusters III and IV was the highest. Cluster III had the highest mean values for
average fruit weight, fruit girth, plant spread (E-W), plant spread(N-S) and fruit
yield/plant. Cluster V had the lowest mean values for days to 50% flowering and crop
duration.
Ascorbic acid content, nutrient content and capsaicin analysis of fruit were
recorded in 24 genotypes of chilli. Maximum ascorbic acid was observed in
2011/CHIVAR-2 (112 mg 100 g-1) and 2011/CHIVAR-3 (317.33 mg 100 g-1 ) in
green and red ripe fruit respectively. In case of nutrient content of fruit, KA-2
recorded highest nitrogen and potassium concentration of 1.66% and 0.64%
respectively. Highest phosphorus concentration was seen in 2011/CHIVAR-3
(0.354%). The genotype 2011/CHIVAR-6 showed maximum capsaicin content
(50.89%) followed by 2011/CHIVAR-5(45.80%) at 0.88 Rf value.
 
Date 2017-01-03T12:51:14Z
2017-01-03T12:51:14Z
2014
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/94137
 
Language en
 
Relation Th;4193
 
Format application/pdf