Studies on Genetic Variability and Seed Protein Profiling of Capsicum species in the North Eastern Region of India.

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dc.contributor.advisorDev, Chandra
dc.contributor.authorSemba, Senjem
dc.contributor.otherBhutia, Nangsol Dolma
dc.date.accessioned2023-04-29T10:35:42Z
dc.date.available2023-04-29T10:35:42Z
dc.date.issued2022-09-14
dc.descriptionThe present experiment was carried out at Vegetable Research Farm, College of Horticulture and Forestry, Central Agricultural University, Pasighat, Arunachal Pradesh during2017-2018and 2019-2020season. The experiment was laid out in Randomized Block Design with three replications.The experimental materials comprised of 15 diverse genotypes of King chilli (Capsicum chinenseJacq.), 10 diverse genotypes of bird’s eye chilli (Capsicum frutescens L.) and 15 diverse genotypes of common chilli (Capsicum annuumL). On the basis of mean performance of the genotypes studied. The genotypes ofKing chilliC-2, C-7,C-15,bird’s eye chilli C-21, C-20and common chilli C-33, C-38 and C-26were found to be superior for most of the yield traits.Genotypic and phenotypic coefficients of variation recorded high for no. of seed per fruit, reducing sugarsand chlorophyll contentin all the species studied.Correlation study revealed that the characters like fruit length, no. of fruit per plant and reducing sugars showed high significant and positive association with fruit yield per plant in all the three species studied.en_US
dc.description.abstractAnalysis of variance revealed significant differences among the genotypes for all the characters studied. High heritability coupled with high genetic advance as percentage of mean were observed for plant height, no. of seed per fruit, number of fruit per plant and ascorbic acid in all the species taken under study. Path coefficient analysis revealed that the character no. of fruit per plant showed maximum positive direct effect followed by fruit weight atphenotypic level in these species. Path co-efficient analysis revealed that the character no. of fruit per plant showed maximum positive direct effect followed by fruit weight at genotypic levelin King chilli and bird’s eye chilli. Similarly path analysis revealed that the character chlorophyll contentshowed maximum positive direct effect followed by no. of fruit per plant for common chilli at genotypic level. Genetic diversity was assessed by using D2statistic for 15 genotypes of King chilli. 15 genotypes were grouped into 5 clusters. Cluster analysis for 15 genotypes revealed that cluster III i.e. genotype C-4, C-7 and C-2 were found more divergent.Genetic diversity was assessed by using D2statistic for 10 genotypes of bird’s eye chilli. Cluster analysis among 10 genotypes revealed that cluster IV with genotype C-20 was found the most divergent. Cluster analysis among 15 common chilli genotype were assessed and revealed that, Cluster II with genotype C-33, C-38,C-39, C-37, C-26,C-34 and C-29 were found more divergent. Sodium Dodecyl Sulphate Polyacrylamide Gel Electrophoresis (SDS-PAGE) showed considerable variation in protein band numbers in all the threespecies studied.The genotypes C-3 was most distantly related to C-12 in King chilli. The genotype C-23 was most distantly related to C-20 in bird’s eye chilli. C-33 was most distantly related to C-38 in common chilli.Hence, it is recommended that these genotypes could be utilized for crossing programme to create more genetic diversity. SDS-PAGE marker data provided more sub groupings and revealed higher amount of diversity as compared to morphological dataen_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810196912
dc.keywordsbird’s eye chilli,divergent,geneticdiversity, genotype, King chilli, heritability.en_US
dc.language.isoEnglishen_US
dc.pagesXIX+255en_US
dc.publisherCollege of Horticulture and Forestry, Central Agricultural University, Pasighat -791102 Central Agricultural University (Imphal)en_US
dc.research.problem1. To study the extent of genetic variability among the chilli genotypes.  To work out the morphological characterization of chilli genotypes.  To estimate direct and indirect effects of yield and yield attributing traits.  To examine genetic divergence using D2analysis.en_US
dc.subVegetable Scienceen_US
dc.themeGenetic Variability and Seed Protein Profiling of Capsicum speciesen_US
dc.these.typePh.Den_US
dc.titleStudies on Genetic Variability and Seed Protein Profiling of Capsicum species in the North Eastern Region of India.en_US
dc.typeThesisen_US
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