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Govind Ballabh Pant University of Agriculture and Technology, Pantnagar

After independence, development of the rural sector was considered the primary concern of the Government of India. In 1949, with the appointment of the Radhakrishnan University Education Commission, imparting of agricultural education through the setting up of rural universities became the focal point. Later, in 1954 an Indo-American team led by Dr. K.R. Damle, the Vice-President of ICAR, was constituted that arrived at the idea of establishing a Rural University on the land-grant pattern of USA. As a consequence a contract between the Government of India, the Technical Cooperation Mission and some land-grant universities of USA, was signed to promote agricultural education in the country. The US universities included the universities of Tennessee, the Ohio State University, the Kansas State University, The University of Illinois, the Pennsylvania State University and the University of Missouri. The task of assisting Uttar Pradesh in establishing an agricultural university was assigned to the University of Illinois which signed a contract in 1959 to establish an agricultural University in the State. Dean, H.W. Hannah, of the University of Illinois prepared a blueprint for a Rural University to be set up at the Tarai State Farm in the district Nainital, UP. In the initial stage the University of Illinois also offered the services of its scientists and teachers. Thus, in 1960, the first agricultural university of India, UP Agricultural University, came into being by an Act of legislation, UP Act XI-V of 1958. The Act was later amended under UP Universities Re-enactment and Amendment Act 1972 and the University was rechristened as Govind Ballabh Pant University of Agriculture and Technology keeping in view the contributions of Pt. Govind Ballabh Pant, the then Chief Minister of UP. The University was dedicated to the Nation by the first Prime Minister of India Pt Jawaharlal Nehru on 17 November 1960. The G.B. Pant University is a symbol of successful partnership between India and the United States. The establishment of this university brought about a revolution in agricultural education, research and extension. It paved the way for setting up of 31 other agricultural universities in the country.

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  • ThesisItemOpen Access
    Physiological aspects of zinc application for its biofortification and yield in wheat
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2019-09) Tiwari, Deeksha; Guru, S.K.
    Zinc (Zn) is an essential micronutrient in biological metabolism required for normal growth and development of plants and humans. In plants, zinc plays a crucial role in enzymatically driven metabolism and it also contributes toward gene expression and stress tolerance. Similarly, in humans it affects multiple aspects of the immune system and is required for normal development and proper function of cell mediating immunity. Zinc deficiency is among the top five micronutrient deficiencies and severely affects one-third of the world’s population, especially rural communities. The main reason for this deficiency is the intake of food low in zinc content. Wheat is the major staple food for world population and is inherently low in zinc concentration. Biofortification of wheat grains with zinc can help to combat this micronutrient deficiency to a large extent. A research investigation was carried out to evaluate the effects of zinc application on yield and nutritional quality of wheat grains. The investigation was carried out in N. E. B. Crop Research Centre, Pantnagar during Rabi season 2018-19. Wheat variety PBW 343 was used as the experimental material. Zinc was applied at four concentrations (0.25, 0.50. 0.75 and 1.0% ZnSO4) and at three stages i.e. S1 (one spray of ZnSO4 at 30 DAE), S2 (two sprays of ZnSO4 one each at 30 and 45 DAE) and S3 (three sprays of ZnSO4 one each at 30, 45 and 60 DAE). Zinc application had a promoting effect on LAI, TDM, panicles/m2, spikelet number/m2, biological yield, grain yield, straw yield and the maximum increase in biolo0gical and grain yield was recorded with three sprays of 0.75% ZnSO4. Harvest index and test weight were unaffected by zinc application. Biochemical analysis revealed that total chlorophyll content, activity of SOD and Carbonic anhydrase increased with zinc application. Zinc content of grains and straw also increased with application of zinc giving a maximum value with three sprays of 0.75% ZnSO4. Iron content of grains and straw also increased with zinc application at 1.0% ZnSO4. On the other hand a negative effect of zinc application was found on phytic acid and phosphorus content of grains and molar phytic acid: zinc ratio and the maximum decrease were found with 1.00% ZnSO4. Protein content also increased significantly with zinc application giving maximum protein content with 0.75% ZnSO4. The study revealed three sprays of 0.75% ZnSO4 one each at 30, 45 and 60 DAE was most effective for increasing the grain yield as well as the nutritional quality of wheat grains. However remobilization of zinc from leaves to grains is a mechanism which should be considered for further study to efficiently utilize the applied zinc.
  • ThesisItemOpen Access
    Physiological and biochemical characterization of rice (Oryza sativa L.) genotypes under shade condition
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2019-07) Yadav, Puneet Kumar; Shankhdhar, S.C.
    Rice (Oryza sativa L.) is one of the most important cereal crops for humans consumed by more than half of the world's population. Rice production is affected by various environmental factors such as temperature, solar radiation, rainfall, relative humidity and wind which have profound impact on the various growth stages of rice development like vegetative, reproductive and ripening stages. Light intensity is one of the most important environmental factors that determine the basic characteristics of rice development. Low light due to continuously cloudy weather or rainfall, especially during the grain-filling stage, induces a significant loss in yield and results in poor grain quality. For physiological and biochemical characterization of rice (Oryza sativa L.) genotypes under shade condition, a field experiment was conducted in Norman E. Borlaug crop research center, G. B. Pant University of Agriculture and Technology, Pantnagar during kharif season 2018 with different rice genotypes, namely, IET 27561, IET 27543, IET 27586, IET 27550 , IET 27559, IET 27563, IET 27607, IET 27577, IET 26671, IET 27629, IET 26926, IET 27638, IET 27612, IET 27540, IET 27616. These genotypes were transplanted in two blocks, one for control and another block for imposing low light stress by covering the block with 50 % shade net supported by bamboo sticks and both the entry ends were open for sufficient ventilation. Among 15 genotypes only five genotypes attained maturity namely IET 27561, IET 27550, IET 26671, IET 27612 and IET 27540. A number of parameters such as plant height, total dry matter, leaf area, panicle weight, stem weight, number of filled spikelet, number of spikelet, thousand grain weight, grain yield, harvest index, chlorophyll, proline, carbohydrate, protein, amylose, and phenol content were recorded in different rice genotypes and it was found that except plant height and chlorophyll content, all the parameters reduced significantly under low light stress. The genotypic variations were also found in these genotypes. Some genotypes showed tolerance for low light stress and some were found to be susceptible. Finally the grain yield, harvest index and number of filled spikelet indicated that low light stress adversely affected these parameters. Genotype IET 26671 was found to be tolerant for low light stress and performed better because it attained highest grain yield, harvest index and spikelet fertility under the low light stress condition, followed by moderately tolerant genotypes IET 27540.
  • ThesisItemOpen Access
    Effect of high temperature on morpho-physiological & biochemical parameters of different rice (Oryza sativa L.) genotypes
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2019-07) Maheshwari, Akshita; Shankhdhar, Deepti
    Rice is a staple food crop in global food system fulfilling the energy requirement of major part of world population. It is very sensitive to environmental factors such as temperature, light, drought etc. during critical stages of growth, such as flowering and seed development. High temperature can irreversibly damage the rice grain quality, yield and plant processes. Auxin plays a prominent role to mitigate the high temperature stress effects on spikelet fertility and yield attributes. A research investigation was carried out to understand the morpho-physiological and biochemical changes and effect of auxin application under high temperature conditions in N. E. Bourlog crop research center, Pantnagar during kharif season 2018. Heat treatment was given to different rice genotypes during flowering by making a polythene tunnel in one block which traps heat and other block kept open as control. Auxin treatment as 10 ppm IBA was given to one of the replication at anthesis. Among 30 genotypes only nine genotypes, IET 26803, IET 26480, IET26477, IET 26478, PR-124, IET 25713, IET 26806, IET 26794 and IET 26763 were selected for the further research work on the basis of grain yield and harvest index. Daily maximum and minimum temperature was recorded using automatic thermometer installed inside the tunnel. Parameters such as plant height, tiller number, total dry matter, leaf area, chlorophyll content, chlorophyll fluroscence, stem weight primary and secondary branching per panicle, panicle weight, number of filled grains per panicle, number of spikelet, spikelet fertility, thousand grain weight, grain yield, harvest index, carbohydrate, protein, amylose, germination potential of harvested seeds etc were recorded. It was found that chlorophyll content, leaf weight, stem weight and TDM reduced at flowering. At maturity, there was a decrease in shoot weight, TDM, primary and secondary branching per panicle, panicle weight, number of filled grains per panicle, spikelet fertility, grain yield, harvest index, germination potential of the seeds produced, carbohydrates and amylose content due to high temperature which was significantly enhanced by exogenous application of auxin in different rice genotypes. Physiological and biochemical analysis revealed that the carotenoid content superoxide radical accumulation increased in some genotypes. Genetic diversity is responsible for the stress effects and stress mitigation in the crop as different genotypes from diverse backgrounds showed varied results since out of nine genotypes IET 26806, IET 26763 and IET 26477 were found to be tolerant while PR-124, IET 26803 and IET 26480 were sensitive to high temperature in terms of spikelet fertility per panicle, grain yield per unit area, germination potential of harvested seeds and superoxide radical accumulation.
  • ThesisItemOpen Access
    Effect of iron sulphide nanoparticle treatment on the growth and iron content of Agaricus bisporus
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2019-06) Panwar, Megha; Atul Kumar
    Iron deficiency is one of the leading risk factors for disability and death worldwide, affecting an estimated 2 billion people. Nutritional iron deficiency arises when physiological requirements cannot be met by consuming monotonous plant-based diets. Targeted iron supplementation, iron fortification of foods, or both, can control iron deficiency in populations. Studies show that iron fortification can be an effective strategy against nutritional iron deficiency. The present study was carried out to evaluate different concentrations (0, 10, 25 and 50% in culture media and 0, 25, 50, 75 and 100% in spawned compost) of iron sulphide nanoparticles on growth, nutritional status and iron content of Agaricus bisporus. The mycelium growth rate was seen maximal at the concentration of 10% iron sulphide nanoparticles. Growth parameters like pileus diameter and stipe length were found to be maximal at the concentration of 25% iron sulphide nanoparticles. However, stipe diameter was maximal at 100% concentration of treatment. At the lower concentration of nanoparticles improvement in economic yield was seen. Total carbohydrate content was higher at lower concentration and flavonoid content was higher in all treatments. However, treatment of nanoparticles decreased the buffer soluble proteins and phenol content. All the treatments of nanoparticles on Agaricus bisporus led to the increased iron as well as zinc content in fruiting bodies. Thus, iron sulphide nanoparticles have potential to improve growth, nutritional status and iron content of Agaricus bisporus at specified concentration to offset the problem of iron malnutrition.
  • ThesisItemOpen Access
    Growth, yield and grain quality of rice (Oryza sativa. L) at different nitrogen levels
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2019-07) Setty, Jyotsna; Bains, Gurdeep
    Rice is one of the major food crops for more than 3.5 billion people. . Nitrogen plays a very important role in crop growth and it can limit yield potential of cereals. For pushing up the yield to maximum there is a need for better crop management practices. The present study was conducted during the Kharif season of 2018 to evaluate the effect of different doses of nitrogen (N0, N50&N100) on morphological, physiological, biochemical, agronomical parameters, yield and grain quality of 6 rice genotypes namely; RNUE 1 (BPT-5204), RNUE 2 (Jaya), RNUE 3 (MTU-1010), RNUE 4 (Rasi), RNUE 5 (Rasi × Jaya/2) and RNUE 6 (Sampada). On increasing doses of nitrogen, morphological parameters like plant height, tiller number, LAI, flag leaf length & width, yield & yield attribute parameters increased. Similarly, biochemical and physiological parameters like chlorophyll content and NR activity in leaves, protein, and starch content in rice grains increased with increasing doses of nitrogen but amylose content decreased. However, Zn content increased at N50 but decreased at N100 in some genotypes. Agronomical parameters which include nitrogen content and NUE traits like agronomic nitrogen use efficiency, physiological nitrogen use efficiency, partial factor productivity of applied nitrogen, in rice grain decreased with increasing doses of nitrogen but apparent recovery efficiency of applied nitrogen increased in all rice genotypes. Highest grain yield was recorded in MTU 1010 under N100. Highest ANUE and PNUE were recorded in MTU 1010 and Rasi x Jaya/2 under N50. Highest PFPN and REN (%) were recorded in MTU 1010 under N50 and N100, respectively.
  • ThesisItemOpen Access
    Physiological and biochemical characterization of nitrogen use efficiency in rice (oryza sativa l.) genotypes
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2019-07) Anjali; Bains, Gurdeep
    Rice is one of the most important and domesticated crop and serves as staple food over half of world’s population. As the world’s population increases day by day, demand of cereal crops also increases. Nitrogen is one of the crucial nutrient for crop growth and development and the most yield-limiting nutrient in rice cropping systems worldwide. Nitrogen fertilizers enhance the crop growth and yield and it is a major issue of today. The rate of application of unbalanced nitrogen fertilizer in the soil is the most important variable that limits the quality and productivity of rice. However, the excessive application of nitrogen fertilizers pollute the water, soil and air. The present study was carried out for evaluation of the effect of different doses of nitrogen (N0, N50 and N100) on physiological and biochemical parameters, as well as the yield attributes and the grain quality of 6 rice genotypes namely: RNUE 7 (Sampada × Jaya/2), RNUE 8 (Sampada × Jaya/3), RNUE 9 (Varadhan), RNUE 10 (Varadhan × BPT 5204/10), RNUE 11 (Varadhan × BPT 5204/6), RNUE 12 (Varadhan × MTU 1010/2). Which was conducted during Kharif season 2018. From the study it was observed that as nitrogen level increases morphological, yield and yield attributed parameters such as plant height, leaf area index, number of tillers, flag leaf length and width, spikelet number and grain number, panicle weight and number, primary and secondary branches per panicle, shoot weight, 1000 grain weight, economic yield and biological yield were increased and harvest index was not much affected with increasing level of nitrogen. The physiological and biochemical parameters such as nitrate reductase (NR) activity, chlorophyll content, starch content and protein content were found to be increased with increasing dose of nitrogen. However, amylose content was not positively correlated with increasing concentration of nitrogen. Among all the genotypes maximum economic yield was observed by Varadhan × MTU 1010/2 (585g/m2) under N50 and minimum by Varadhan × BPT 5204/10 (769 g/m2) under N100. Amongst all six rice genotypes Vardhan is highly nitrogen use efficient at N50.
  • ThesisItemOpen Access
    Effect of PEG induced drought stress and calcium on in vitro growing cultures of Gentiana kurroo
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2019-06) Bametha, Himani; Atul Kumar
    Gentiana kurroo a critically endangered plant of the Himalayas is a medicinal herb which belongs to Gentianaceae family, less cultivated in habitat. Drought affects the growth and development of a large number of plants but Gentiana kurroo is able to cope up with this condition by synthesizing and accumulation of antioxidants and secondary metabolite. Previously grown propagules of G. kurroo, maintained in MS media (designated as GK-C2) supplemented with Plant growth regulators PGR, NAA (600μg/lt) and BAP (600μg/lt)) again used for sub-culturing. In first treatment (drought), 3 levels of Poly-ethylene glycol (PEG 6000) 1% , 2% , 3% and without PEG (as control) were taken; second treatment included application of Calcium Penthothenate with concentration of 0.7 ppm, 2 ppm and 6 ppm; third included combination of PEG and Calcium Pantothenate as1% PEG+ 0.7ppm calcium, 1% PEG+ 2ppm Calcium, 1% PEG+ 6ppm calcium, 3%PEG+0.7 ppm calcium, 3% PEG + 2 ppm calcium and 3% PEG + 6 ppm. Results indicated that, propagule height, number of leaves & nodes decreased with the increment of PEG and increased with the increment of calcium. Proline level increased (maximum 3.085μmol/g FW, minimum 0.960 μmol/g FW at control) with increased level of PEG, and mildly increases with application of Ca (1.634 μmol/g FW at 6ppm Ca, 1.015 μmol/g at O.7 ppm Ca). But with the combine application highest proline content was observed in 3% PEG+ 0.7 ppm (2.87μmol/g FW). MDA was found highest (0.178 μmol/g) in 1% PEG treatment after 45 days of inoculation as compared to control (0.067 at 2%PEG) at 45 day and lowest in 3% PEG (0.072 μmol/g) at 15days. MDA content declined with increment of calcium dose and was found lowest in 6ppm Ca (0.099 μmol/g FW) and highest in 0.7ppm Ca (0.178 μmol/g). In combination 3% PEG+0.7 ppm Ca shows highest MDA content (0.112 μmol/g).Total soluble sugar (TSS) was observed more in PEG than Ca treated propagule i.e., highest TSS (0.601 μmol/g) at 3% PEG and lowest (0.200 μmol/g) in control. As Ca concentration increased, TSS decreased and was found lowest at 6ppm (0.225μmol/g FW) and highest (0.355 μmol/g FW) at 0.7ppm concentration at 30 days. With combination of PEG with Ca, highest content was observed at1% PEG+0.7ppm Ca (0.347mg/g at 45 day), lowest at 3% PEG+2ppm Ca (0.231 mg/g). Chlorophyll content was more in Calcium treated propagule than PEG (highest % decrement was observed at3% PEG (-21.05%)). In vitro culture technique was found as an efficient way to minimize environmental variations due to a well-defined nutrient media, homogeneity in stress application that creates accumulation of antioxidants and secondary metabolites.
  • ThesisItemOpen Access
    Investigating the role of selenium as an antifungal agent against Alternaria blight in Brassica juncea
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2019-06) Rai, Shreya; Atul Kumar
    Brassica juncea commonly known as Indian Mustard is one of the most important winter oilseed crops of the world. This crop is the third leading source of oil in the world after soybean and palm. It is primarily grown to produce edible oil and meal for animal feed. Alternaria blight is one of the most severe diseases of this crop causing a major yield loss both in terms of productivity and oil content. An experiment was conducted on Brassica juncea (var.) Varuna plants that were infected with Alternaria blight in order to observe the effect of selenium on the disease. Selenium was foliar applied as sodium selenite in two concentrations i.e. 50 and 75ppm, 24 hrs prior to disease inoculation. Treatments included infection with Alternaria, Alternaria + Se (50 ppm), Alternaria + Se (75 ppm), Se (50 ppm), Se (75 ppm) and control. Different physiological and biochemical studies were done at different time intervals. It was found that the disease infected plants that were pretreated with selenium showed increased stem height and leaf number as compared to the plants that were not treated with selenium. Also, various biochemical parameters including proline content, phenol, catalase and ascorbate peroxidase activity showed greater values and lower malondialdehyde content for selenium treated diseased plants as compared to those that were not treated with selenium. Moreover, lower disease index values, number and size of spots were observed for the diseased plants that were pretreated with selenium. Through molecular studies, it was also observed that Alternaria + Se (75 ppm) showed more relative gene expression of MAPK3 gene as compared to Alternaria infected plants that were not pretreated with selenium, which may explain the role of this gene in tolerance of 75 ppm selenium treated Brassica juncea plants against Alternaria blight. The increased levels of antioxidants and better growth as a result of selenium treatment might be a reason for reducing the severity of Alternaria blight in Brassica juncea with better results for 75 ppm selenium as compared to 50 ppm Se.
  • ThesisItemOpen Access
    Effect of shading on growth, development and reproductive biology of major weed species of winter season
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2018-06) Mishra, Sudershan; Guru, S.K.
    Light plays a major role through its direct effects on morphology and biomass production by plants. Both crops and weeds compete for light by shading each other. Therefore the effects of shading on growth and development of both crops and weeds will determine their competitive ability.To analyse the implications of shade on weed biology, an experiment was conducted in winter season 2017 to evaluate the effects of shading on growth, development and reproductive biology of seven major weed species of winter season viz. Phalaris minor,Polypogon monspeliensis, Melilotus indica, Medicago denticulata, Lathyrus aphaca, Vicia sativa, and Solanum nigrum. The treatments included full sunlight, 55% shade and 75% shade. Data on phenology, biomass partitioning and reproductive biology was recorded for all the species. The total duration was delayed by more than two weeks under 55% shading and by three four weeks under 75% shading for all the weeds, as a result of cumulative increase in vegetative, reproductive as well as time taken from flowering to maturity. Plant height was doubled within two weeks after shading and was enhanced by more than 30cm and 38cm under 55% and 75% shading, respectively. Total aboveground dry matter accumulation decreased by more than 80% under shading and almost two-three fold proportion of dry matter was partitioned towards leaves. Concomitant variation in SLA, RGR, NAR and LAR indicated adaption to shade at whole plant level. The lowest decrease in maximum NAR and RGR was observed in Polypogonand Solanum, expressing their high competitive ability over other weeds under study Number of seeds per plant was reduced by 67% under shading as a consequence of proportional reduction in number of fruits/inflorescences. However the number of seeds per fruit remained fairly constant. Chlorophyll a/b ratio was also found to be reduced under shading.