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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
    Effect of low light stress on growth, yield and grain quality of rice (Oryza sativa L.)
    (G. B. Pant University of Agriculture & Technology, Pantnagar-263145, 2023-02-01) Rajni; Shankhdhar, S. C.
    Rice (Oryza sativa L.) is one of the most important cereal crop for humans, consumed by more than half of the world's population. Asian countries produce 89 percent of the world's rice with China and India alone accounting for 55 percent of total production. Different environmental factors such as temperature, sunshine, rainfall, drought, salt and flooding have an impact on grain yield and biomass. Among these factors temperature, light and rainfall have an immediate impact on the physiological processes involved in grain production and yield. The first important component of light is light intensity which affects plant growth and development. Lower light intensity affects rice growth and development by influencing physiological traits biochemical parameters. For Effect of low light stress on growth, yield, and grain quality of rice( Oryza Sativa L. ) a field experiment was conducted in Norman E. Bourlog crop research center, G. B. Pant University of Agriculture and Technology, Pantnagar during kharif season 2022 with different rice genotypes, namely, LL-01, LL-02, LL-03, LL-04, LL-05, LL-06, LL-07, LL-08 and LL-09.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. Both the entry ends were open for sufficient ventilation. A number of parameters such as plant height, leaf area, chlorophyll, photosynthetic rate, intercellular CO2 concentration, protein, carbohydrate, Proline content , grain yield, and total dry matter, stem weight, panicle number, stomatal conductance, transpiration rate, were recorded in different rice genotypes and it was found that except plant height and chlorophyll content, thousand grain weight all the parameters reduced significantly under low light stress. The genotypic variations in these characteristics were also found. Some genotypes showed tolerance for low light stress and some were found to be susceptible. Finally the grain yield, harvest index, number of filled grain spikelet no per panicle indicated that low light stress adversely affected these parameters. The low light stress tolerant genotypes performed better in terms of filled grain numbers and spikelet no per panicle, harvest index as compared to susceptible genotypes. In present study, , LL-04 ,LL-06 and LL-09 was reported to be more adaptable and LL-02 and LL-05 were found to be sensitive for low light stress.
  • ThesisItemOpen Access
    An assessment of the physiological, biochemical and morphological traits conferring tolerance to heat stress in rice (Oryza sativa L.)
    (G. B. Pant University of Agriculture and Technology, Pantnagar, 2022-08) Reddy, Gajji Aravinda; Shankhdhar, S.C.
    In the global food chain, rice is a staple crop that provides the majority of the world's population with all of their energy needs. During crucial growth stages like flowering and seed development, it is extremely sensitive to environmental conditions including temperature, light, drought, etc. High temperatures have the potential to permanently harm rice grain quality, yield, and plant functions. A study was conducted at the N. E. Borlaug Crop Research Center in Pantnagar during the kharif season of 2021 to determine the effects of high temperature stress on morpho-physiological and biochemical parameters, as well as to examine the yield characteristics of various rice genotypes under heat stress. Different rice genotypes received heat treatment during blooming by creating a polythene tunnel in one block that retains heat and leaving the other block open as a control. It has openings on both ends for adequate ventilation. Only 10 genotypes—29173(R), CO-51, IET 29939, IET 29940, IET 29947, IET 29948, IET 29952, IET 29958, and IET 29960—out of 25 genotypes were chosen for further study based on their sensitivity to high temperatures and yield characteristics. Parameters regarding the physiological, biochemical and morphological characters are recorded during the investigation. It was found that stem weight during flowering, shoot weight during maturity TDM at flowering and maturity, stomatal conductance, transpiration rate, panicle dry weight during flowering and maturity, grain yield, protein, amylose and carbohydrate content was reduced during heat stress conditions. It was found that plant height at flowering, effective tiller number, LAI, leaf dry weight at flowering, photosynthetic rate, intercellular CO2 concentration, grain number and spikelet number per m2, spikelet fertility, harvest index and chlorophyll content were increase/decrease in some genotypes. When the parameters are correlated with grain yield, they are found to be positively correlated and significant except one that is shoot weight at maturity it is found to be non-significant. Different genotypes from diverse backgrounds showed varied results since, out of 10 genotypes, IET 29958 and IET 29947 was found to be tolerant while IET 29942 and 29173(R) were sensitive to high temperature in the present investigation.
  • ThesisItemOpen Access
    Effect of tillage and nutrient management on growth, yield and physiology of wheat (Triticum aestivum L.)
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2022-01) Namaste Kumari; Bains, Gurdeep
    Wheat is a crop of nutritional and economic importance and hence the increase in wheat production has to match the increase in world population in order to guarantee global nutritional security over the coming years. Increased reliance on intensive agricultural practices have resulted in low Nutrient Use Efficiency (NUE), environmental pollution due to residual fertilizers and decreased productivity. Agronomic and physiological interventions such as mechanical manipulation of soil via different tillage systems and specificnutrient management practices are few of the approaches to increase the production in a sustainable manner. To analyze the effect of different tillage and nutrient management systems on growth, yield and physiology of wheat crops, the present field study was carried out at NEB, CRC, Pantnagar, during Rabi season of 2020-21 using wheat variety WH-1105. Six different tillage practices (ZT, CT, CC, PB, PR and RT) and three different nutrient management practices (GSBNM, SSNM and RDF) were the main plot and subplot treatments respectively. The lab experiments were carried out in the Department of Plant Physiology. Parameters such as plant height, number of tillers, LAI, shoot: root ratio, chlorophyll content, NR activity, root length, average root diameter, number of root tips, root volume, root surface area, root length density, root surface area density, root volume density, grain yield, straw yield, biological yield and harvest index were studied. A decrease of 21%, 20% and 20% in grain yield, straw yield and biological yield respectively was observed under PR as compared to CC. Grain yield, straw yield and biological yield under RT and CT were found at par with CC. A significant increase in crop growth and yield was observed under recommended dose of fertilizer application across all the tillage practices. The reduction in grain yield, straw yield and biological yield under SSNM and GSBNM was 7-13%, 11-23% and 10-18% respectively as compared to RDF. No other nutrient management practices were found at par with RDF for grain yield, straw yield and biological yield. Therefore, it can be concluded that RDF application under CC, CT and RT produced good yield and can be recommended after checking the reproducibility of results. However, GSBNM and SSNM can be adopted in order to increase the nutrient use efficiency of crops and hence further study is suggested.