Thumbnail Image

Agriculture University, Jodhpur

Agriculture University, Jodhpur was established on 14th September, 2013 by Government of Rajasthan under Agriculture University, Jodhpur Act 21 of 2013 to focus on holistic development of arid and semi-arid regions of the state covering 6 districts (Jodhpur, Barmer, Nagaur, Pali, Jalore and Sirohi), constituting 28% of total geographical area which is sustaining 20.8% human and 28.4% animal population of the state. The districts under jurisdiction of the university cover 3 agro-ecological zones of the state. These are Arid Western Plain Zone Ia (Jodhpur and Barmer districts), Transitional plain of Luni Basin Zone IIb (Jalore, Pali, and Sirohi districts) and part of Transitional Plain of Inland Drainage Zone IIa (Nagaur district). The university has 1 institute of diploma and 3 colleges to produce highly competent educated human resources in agriculture and allied sciences besides 2 agricultural research stations, one each in zone Ia & IIb and 3 agricultural research sub stations, one in each zone to prepare, plan and perform highly need based research in this acute water scarce but naturally rich bio-diversified zone of the country. The third most important part in tri-pillar (Teaching, Research & Extension) of agricultural development, the extension for transfer of technologies are reached to doorsteps of the farming community by 6 Krishi Vigyan Kendras (K-V-Ks), 2 in Nagaur district and 1 each in Jodhpur, Barmer, Jalore & Sirohi districts under the umbrella of the university. The different units of teaching, research and extension are coordinating to systematically run by the headquarter situated at Mandor, Jodhpur.

Browse

20231
Reset filters
Subject: Genetics and Plant Breeding × Author: Bijarniya, Pradeep × Thesis Type: M.Sc ×
Reset filters

Search Results

Now showing 1 - 1 of 1
  • Thumbnail Image
    ThesisItemOpen Access
    Assessment of Genetic Parameters in Mutant Lines of Indian Mustard (Brassica juncea L.)
    (Agriculture University, Jodhpur, 2023-09-13) Bijarniya, Pradeep; Bhardwaj, Rahul
    An experiment entitled “Assessment of Genetic Parameters in Mutant Lines of Indian Mustard (Brassica juncea L.)” was conducted with 40 genotypes of Brassica juncea in Rabi Season 2022-23 at Research Farm, Agriculture Research Station Mandor, Agriculture University Jodhpur (Rajasthan). The experiment was carried out in randomized block design (RBD) with 3 replications. The observations for days to first flower initiation, days to 50% flowering, days to maturity, plant height, number of primary branches per plant, number of siliqua per plant, siliqua length, number of seeds per siliqua, 1000-seed weight, seed yield per plant, harvest index, oil content, and screening of white rust and powdery mildew were recorded. Analysis of variance exhibited significant difference for all the trait, indicating the good amount of inherent variation was present. The phenotypic coefficient of variance was higher as compare to genotypic coefficient of variance for all the traits under study. The highest value of PCV and GCV was recorded for harvest index followed by number of siliqua per plant, plant height, number of seed per siliqua. High heritability coupled with high genetic advance as per cent of mean were observed for all the characters except days to maturity, days to 50% flowering, days to first flower initiation and oil content which has high heritability coupled with low genetic advance as percent of mean. Analysis of correlation coefficient indicated that seed yield per plant had positive significant correlation with number of siliqua per plant and harvest index. According to path analysis, the traits like days to first flower initiation, plant height, number of siliqua per plant, 1000-seed weight and harvest index showed positive direct effect on seed yield per plant. The genetic divergence calculated by Mahalanobis D2 statistics, grouped 40 genotypes into seven clusters. Maximum intra cluster distance was observed in cluster VI followed by cluster III, cluster I, cluster VII. Whereas maximum inter cluster distance was observed between cluster V and VII followed by cluster VI and VII, cluster III and VII and cluster IV and VII. As per Ward’s D coefficient the 40 genotypes of Brassica juncea were grouped in VII different clusters. All the genotypes showed a good level of divergence among themselves as most distant related species clustured in different groups. The genotype viz., MMM 21-10 and MMM 21-11 depicted good yield along with high oil content (%) and moderate resistant for white rust and powdery mildew in Indian mustard.