dc.description.abstract |
The present research work was conducted to study the genetic diversity analysis
of chilli during the period from November 2015 to April 2016 in rabi season in
the experimental field of Sher-e-Bangla Agricultural University, Sher-e-Bangla
Nagar, Dhaka. In this experiment 15 chilli genotypes were used as experimental
materials. Mean performance, variability, correlation matrix, path analysis and
genetic diversity analysis on different yield attributes and yield of chilli
genotypes was estimated. The highest yield/plant (427.44 g) was observed in G3,
while the lowest (242.89 g) from G14. Phenotypic coefficient of variation was
higher than the genotypic coefficient of variation for all the yield contributing
traits and yield. In correlation study, highly significant positive association was
recorded for days to 1st flowering of chilli genotypes with plant height (0.369),
number of fruits/plant (0.587), weight of individual fruit (0.634) and length of
fruit (0.450). Path analysis revealed negative direct effect for days to 1st
flowering (-0.148), number of seeds/fruit (-0.133) and weight of 1000 seeds (-
0.211), whereas positive direct effect for plant height (0.205), number of
branches/plant (0.186), number of fruits/plant (0.132), weight of individual fruit
(0.293), length of fruit (0.164) and diameter of fruit (0.078) on yield/plant.
Diversity analysis revealed that Cluster I had the maximum 8 chilli genotypes
and the lowest had in cluster IV which had a single genotype. Considering group
distance and other agronomic performance special chilli of Bogra (G3), Local 1
(G6), SRCO 9 (G11), SRCO 5 (G14), Ca 001 (G1) and SRC 13 (G12) chilli
genotypes may be suggested for further study for future hybridization program. |
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