Thumbnail Image

Dr. Rajendra Prasad Central Agricultural University, Pusa

In the imperial Gazetteer of India 1878, Pusa was recorded as a government estate of about 1350 acres in Darbhanba. It was acquired by East India Company for running a stud farm to supply better breed of horses mainly for the army. Frequent incidence of glanders disease (swelling of glands), mostly affecting the valuable imported bloodstock made the civil veterinary department to shift the entire stock out of Pusa. A British tobacco concern Beg Sutherland & co. got the estate on lease but it also left in 1897 abandoning the government estate of Pusa. Lord Mayo, The Viceroy and Governor General, had been repeatedly trying to get through his proposal for setting up a directorate general of Agriculture that would take care of the soil and its productivity, formulate newer techniques of cultivation, improve the quality of seeds and livestock and also arrange for imparting agricultural education. The government of India had invited a British expert. Dr. J. A. Voelcker who had submitted as report on the development of Indian agriculture. As a follow-up action, three experts in different fields were appointed for the first time during 1885 to 1895 namely, agricultural chemist (Dr. J. W. Leafer), cryptogamic botanist (Dr. R. A. Butler) and entomologist (Dr. H. Maxwell Lefroy) with headquarters at Dehradun (U.P.) in the forest Research Institute complex. Surprisingly, until now Pusa, which was destined to become the centre of agricultural revolution in the country, was lying as before an abandoned government estate. In 1898. Lord Curzon took over as the viceroy. A widely traveled person and an administrator, he salvaged out the earlier proposal and got London’s approval for the appointment of the inspector General of Agriculture to which the first incumbent Mr. J. Mollison (Dy. Director of Agriculture, Bombay) joined in 1901 with headquarters at Nagpur The then government of Bengal had mooted in 1902 a proposal to the centre for setting up a model cattle farm for improving the dilapidated condition of the livestock at Pusa estate where plenty of land, water and feed would be available, and with Mr. Mollison’s support this was accepted in principle. Around Pusa, there were many British planters and also an indigo research centre Dalsing Sarai (near Pusa). Mr. Mollison’s visits to this mini British kingdom and his strong recommendations. In favour of Pusa as the most ideal place for the Bengal government project obviously caught the attention for the viceroy.

Browse

2018 - 20194
Reset filters
Subject: Horticulture × End date: 2019 × Start date: 2018 × Type: Thesis × Thesis Type: M.Sc ×
Reset filters

Search Results

Now showing 1 - 4 of 4
  • Thumbnail Image
    ThesisItemOpen Access
    Cause effect relationship and genetic divergence study in cowpea [Vigna unguiculata (L.) Walp.]
    (Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur (Bihar), 2018) Gupta, Ramesh Kumar; Pramila
    The present investigation was carried out with twenty-seven genotypes of cowpea entitled "CAUSE-EFFECT RELATIONSHIP AND GENETIC DIVERGENCE STUDY IN COWPEA [Vigna unguiculata (L.) Walp.]” at Vegetable Research Farm of Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar in Randomised Block Design with three replications during Zaid-2017. The quantitative traits under study were seed germination percentage, plant height, number of branches per plant, days to first flowering, first flowering node, number of nodes on main stem, peduncle length, number of pods per cluster, days to first picking, pod length, pod diameter, average pod weight, number of pods per plant, number of seeds per pod, test weight, pod borer infestation percentage and pod yield per plant. Statistical analysis were carried out to study Analysis of variance, Genotypic and Phenotypic coefficient of variation, Heritability, Genetic advance, Correlation coefficient analysis, Path analysis and Genetic diversity. Analysis of variance revealed highly significant differences among the genotypes for all the studied characters and also showed the presence of an ample amount of genetic variability among the genotypes. The phenotypic coefficient of variation was slightly higher than the corresponding genotypic coefficient of variation in magnitude. Indicating the role of genotype in the manifestation of these characters. High heritability coupled with high genetic advance as per cent of mean were recorded for all the traits except seed germination percentage and days to first flowering, indicating the preponderance of additive gene action suggesting that selection in an early generation will be effective. Plant height, number of branches per plant, number of nodes on main stem, number of pods per cluster, pod length, average pod weight and number of pods per plant had given positive and significant correlation comprising their positive and direct effect with pod yield per plant. Suggesting that during the course of selection these traits may be considered as prime traits for enhancing the yield in cowpea. The maximum inter-cluster distance was recorded between cluster II and V so, to have the heterotic recombinant for the seed germination percentage, days to first flowering, pod length, average pod weight, number of seeds per pod, number of pods per cluster, peduncle length, and pod diameter, for all these traits, genotypes present in these clusters may be used in crossing.
  • Thumbnail Image
    ThesisItemOpen Access
    Studies on genetic diversity in cucumber (Cucumis sativus L.)
    (Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur (Bihar), 2019) Kumawat, Om Prakash; Kumar, Udit
    The present study was carried out at Vegetable Research farm of Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar during Rainy Season 2018 using twenty one cucumber genotypes including the check, Swarna Ageti in Randomized Block Design with three replications. The observations were recorded on fourteen putative characters that include both qualitative and quantitative indicate namely, vine length, node number bearing first female flower, number of primary branches, days to first flowering, days to first harvesting, harvest duration, number of fruits per plant, shelf-life, TSS, seeds per fruit, fruit length, fruit diameter, fruit weight, fruit yield per plant. The different statistical parameters used for interpretation of data were Analysis of Variance, Genotypic and Phenotypic Variance, Genotypic and Phenotypic coefficient of Variance, Heritability, Genetic Advance, Correlation Coefficient Analysis, Path Coefficient Analysis and Genetic Diversity to study nature and magnitude of variability and diversity. Analysis of variance revealed highly significant difference among twenty one genotypes of cucumber for all the fourteen characters from the variability studies. High estimates of PCV were observed for traits node number of first female flower, number of fruits per plant, vine length, fruit weight and fruit diameter whereas moderate GCV and PCV were recorded for shelf life, fruit length and TSS. In present set of materials high heritability with high genetic advance as per cent of mean was recorded for TSS, shelf life, node number of first female flower, fruit length and fruit diameter indicating preponderance of additive gene effect, which will facilitate selection in early segregating generation. Traits like fruit weight, fruit diameter, fruit length, shelf life, number of seeds per fruit, number of fruits per plant and vine length showed significant positive correlation with fruit yield per plant and have positive direct effect at phenotypic level indicating the importance of these characters for further yield improvement. Path analysis revealed traits like fruit weight, number of fruits per plant had positive direct effect as well indirect effect on fruit yield per plant at genotypic level and at phenotypic level. Twenty one genotypes of cucumber were grouped into 5 clusters using Tocher‟s clustering method. Cluster III had maximum five genotypes, cluster I, II, IV and V each had four genotypes. Highest inter cluster distance was observed between cluster IV and cluster V followed by between cluster I and cluster V. Highest intra cluster distance was observed in cluster III followed by cluster I. Cluster IV showed higher mean performance for most of the yield attributing characters therefore, selection of parents from this cluster would be effective. Fruit weight, TSS, node number of first female flower and shelf life were major characters contributing towards genetic divergence. This shows that variability in the genotypes is only due to these characters which will offer a good scope for improvement of yield through rational selection of parental genotypes. Based on the result of all major parameter including qualitative and quantitative indices under present investigation, genotype Swarna Ageti, RCS 10 and RCS 18 appeared to the outstanding performs.
  • Thumbnail Image
    ThesisItemOpen Access
    Studies on diversity for Yield and quality traits in Tomato (Solanum lycopersicum L.)
    (Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur (Bihar), 2019) Maurya, Sooraj; Singh, A.K.
    An experiment was conducted at Vegetable Research Farm, RPCAU, Pusa, Samastipur, Bihar during rabi season of 2018-19 to evaluate the thirty genotypes of tomato (Solanum lycopersicum L.) in Randomized Block Design with three replications for yield and quality. Investigation was carried out on variability, character association, path analysis and genetic divergence for morpho-physiological characters viz., plant height at maturity, number of primary branches per plant, number of flowers per cluster, number of fruits per cluster, days to fifty percent flower initiation, days to fifty percent fruit initiation, days to fruit maturity at physiological stage, equilateral diameter of fruit, polar diameter of fruit, number of locules per fruit, number of fruits per plant, average fruit weight, fruit yield per plant, total soluble solids and ascorbic acid. Analysis of variance revealed highly significant differences among the genotypes for all the traits. The genotypic coefficient of variation (GCV) and phenotypic coefficient of variation (PCV) were high for average plant height at maturity, number of primary branches per plant, number of fruit per cluster, average fruit weight, number of fruits per plant, fruit yield per plant, number of locules per fruit and number of fruits per cluster. All the characters had showed high heritability coupled with high genetic advance as per cent of mean except number of flowers per cluster. These traits were indicating the presence of additive gene effects which may be utilized for improvement through phenotypic selection for yield improvement. Character association among the yield and yield attributing traits and identify better combinations as selection criteria for developing high yielding tomato genotypes. Fruit yield per plant was high significant and positively correlated with equilateral diameter of fruit, polar diameter of fruit and average fruit weight, suggesting that selection based on these characters would result better genotypes with higher yield. Path coefficient analysis study revealed positive direct effect on fruit yield per plant by plant height at maturity, days to fifty percent fruit initiation, number of fruits per cluster, equilateral diameter of fruit, polar diameter of fruit, average fruit weight and total soluble solids, were indicating that these characters would be more reliable for yield improvement. The thirty genotypes of tomato were grouped into six clusters using Tocher‟s method. Cluster I had maximum (10) genotypes and cluster III and cluster VI had one genotype in each i.e. monogenotypic. The genotypes in cluster III and cluster VI followed by cluster V and cluster VI, cluster IV, cluster I and cluster VI and cluster II and cluster VI, exhibited high degree of genetic diversity due to maximum inter cluster distance between them. Its indicating these genotypes may be utilized under inter varietal hybridization programme (transgressive breeding) for getting high yielding recombinants. Cluster IV was suitable for number of primary branches per plant, number of days to fifty percent flower initiation, number of days to fifty percent fruit initiation, number of flowers per cluster, number of fruits per cluster, polar diameter of fruits, number of locules per fruits, total soluble solids and ascorbic acid. Therefore, selection of parents from this cluster for these traits would be effective. Maximum contribution towards genetic divergence was obtained by ascorbic acid (38.39 per cent), average fruit weight (23.22 per cent) and number of locules per fruit (11.49 per cent).
  • Thumbnail Image
    ThesisItemOpen Access
    Genetic variability and character association study in cowpea
    (Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur (Bihar), 2019) Vaggar, Sanjeev; Yadav, L.M.
    The present investigation was carried out with thirty three genotypes of cowpea entitled “GENETIC VARIABILITY AND CHARACTER ASSOCIATION STUDY IN COWPEA [Vigna unguiculata (L.) Walp.]” at Vegetable Research Farm of Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar in Randomised Block Design with three replications during mansoon season-2018. The materials comprised the thirty three genotypes of cowpea including the check “Kashi Unnati”. Most of the yield attributing characters had high heritability coupled with high genetic advance, indicating the preponderance of additive gene action, which will help to make selection in early generation. Seed germination percentage, peduncle length and average pod weight exhibited positive and significant association with direct and positive effect on pod yield per plant. Suggesting that selection on the basis of these traits could be effective for crop improvement. All the thirty three cowpea genotypes were classified into five clusters using Tocher method. The maximum inter cluster distance was recorded between cluster V and cluster III followed by cluster V and cluster II. Suggesting that to have the heterotic recombinants for the improvement of traits, genotypes from cluster V, cluster III and cluster II may be used in crossing programme as it is evident that high cluster mean value recorded for seed germination percentage and peduncle length having the positive and high direct effect on pod yield per plant.