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Acharya N G Ranga Agricultural University, Guntur

The Andhra Pradesh Agricultural University (APAU) was established on 12th June 1964 at Hyderabad. The University was formally inaugurated on 20th March 1965 by Late Shri. Lal Bahadur Shastri, the then Hon`ble Prime Minister of India. Another significant milestone was the inauguration of the building programme of the university by Late Smt. Indira Gandhi,the then Hon`ble Prime Minister of India on 23rd June 1966. The University was renamed as Acharya N. G. Ranga Agricultural University on 7th November 1996 in honour and memory of an outstanding parliamentarian Acharya Nayukulu Gogineni Ranga, who rendered remarkable selfless service for the cause of farmers and is regarded as an outstanding educationist, kisan leader and freedom fighter. HISTORICAL MILESTONE Acharya N. G. Ranga Agricultural University (ANGRAU) was established under the name of Andhra Pradesh Agricultural University (APAU) on the 12th of June 1964 through the APAU Act 1963. Later, it was renamed as Acharya N. G. Ranga Agricultural University on the 7th of November, 1996 in honour and memory of the noted Parliamentarian and Kisan Leader, Acharya N. G. Ranga. At the verge of completion of Golden Jubilee Year of the ANGRAU, it has given birth to a new State Agricultural University namely Prof. Jayashankar Telangana State Agricultural University with the bifurcation of the state of Andhra Pradesh as per the Andhra Pradesh Reorganization Act 2014. The ANGRAU at LAM, Guntur is serving the students and the farmers of 13 districts of new State of Andhra Pradesh with renewed interest and dedication. Genesis of ANGRAU in service of the farmers 1926: The Royal Commission emphasized the need for a strong research base for agricultural development in the country... 1949: The Radhakrishnan Commission (1949) on University Education led to the establishment of Rural Universities for the overall development of agriculture and rural life in the country... 1955: First Joint Indo-American Team studied the status and future needs of agricultural education in the country... 1960: Second Joint Indo-American Team (1960) headed by Dr. M. S. Randhawa, the then Vice-President of Indian Council of Agricultural Research recommended specifically the establishment of Farm Universities and spelt out the basic objectives of these Universities as Institutional Autonomy, inclusion of Agriculture, Veterinary / Animal Husbandry and Home Science, Integration of Teaching, Research and Extension... 1963: The Andhra Pradesh Agricultural University (APAU) Act enacted... June 12th 1964: Andhra Pradesh Agricultural University (APAU) was established at Hyderabad with Shri. O. Pulla Reddi, I.C.S. (Retired) was the first founder Vice-Chancellor of the University... June 1964: Re-affilitation of Colleges of Agriculture and Veterinary Science, Hyderabad (estt. in 1961, affiliated to Osmania University), Agricultural College, Bapatla (estt. in 1945, affiliated to Andhra University), Sri Venkateswara Agricultural College, Tirupati and Andhra Veterinary College, Tirupati (estt. in 1961, affiliated to Sri Venkateswara University)... 20th March 1965: Formal inauguration of APAU by Late Shri. Lal Bahadur Shastri, the then Hon`ble Prime Minister of India... 1964-66: The report of the Second National Education Commission headed by Dr. D.S. Kothari, Chairman of the University Grants Commission stressed the need for establishing at least one Agricultural University in each Indian State... 23, June 1966: Inauguration of the Administrative building of the university by Late Smt. Indira Gandhi, the then Hon`ble Prime Minister of India... July, 1966: Transfer of 41 Agricultural Research Stations, functioning under the Department of Agriculture... May, 1967: Transfer of Four Research Stations of the Animal Husbandry Department... 7th November 1996: Renaming of University as Acharya N. G. Ranga Agricultural University in honour and memory of an outstanding parliamentarian Acharya Nayukulu Gogineni Ranga... 15th July 2005: Establishment of Sri Venkateswara Veterinary University (SVVU) bifurcating ANGRAU by Act 18 of 2005... 26th June 2007: Establishment of Andhra Pradesh Horticultural University (APHU) bifurcating ANGRAU by the Act 30 of 2007... 2nd June 2014 As per the Andhra Pradesh Reorganization Act 2014, ANGRAU is now... serving the students and the farmers of 13 districts of new State of Andhra Pradesh with renewed interest and dedication...

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Author: RAJITHA, B × End date: 2018 × Start date: 2015 × Type: Thesis ×
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    ThesisItemOpen Access
    CHARACTERIZATION OF BLACKGRAM (Vigna mungo (L.) Hepper) GENOTYPES FOR TOLERANCE TO YELLOW MOSAIC VIRUS (YMV) AND NUTRITIONAL INTERVENTIONS TO ENHANCE TOLERANCE
    (Acharya N.G. Ranga Agricultural University, 2018) RAJITHA, B; RAJA RAJESWARI, V
    A field experiment entitled “Characterization of blackgram (Vigna mungo L. Hepper) genotypes for tolerance to yellow mosaic virus (YMV) and nutritional interventions to enhance tolerance” was conducted at crop physiology laboratory (Lab study) and dryland farm (Field study), Sri Venkateswara Agricultural College, Tirupati. The blackgram genotypes (5 known tolerant + 5 known susceptible) obtained from Regional Agricultural Research Station, Lam farm, Guntur and Regional Agricultural Research Station, Tirupati were characterized under field conditions for YMV tolerance during rabi 2016-17 and summer 2017. Both susceptible and tolerant blackgram genotypes differed in their response to YMV infection in terms of morphological, physiological, biochemical, yield, nutrients and disease related characters. Among the five known tolerant blackgram genotypes, Cv. TBG-104 showed higher tolerance while Cv. LBG-623 was highly susceptible in five known susceptible group. Correlation studies revealed that significant negative relation of growth parameters and trichome density with percentage of disease incidence, whereas plant height and leaf lamina thickness established positive correlation. Based on results obtained a set of two blackgram genotypes i.e. one most susceptible (LBG-623) and other most tolerant (TBG- 104) genotypes were selected and laboratory experiment was conducted to identify safer Name of the Author : B. RAJITHA Title of the Thesis : CHARACTERIZATION OF BLACKGRAM (Vigna mungo (L.) Hepper) GENOTYPES FOR TOLERANCE TO YELLOW MOSAIC VIRUS (YMV) AND NUTRITIONAL INTERVENTIONS TO ENHANCE TOLERANCE Major Advisor : Dr. V. RAJA RAJESWARI Degree to which it is submitted : DOCTOR OF PHILOSOPHY Faculty : AGRICULTURE Major field : CROP PHYSIOLOGY University : ACHARYA N. G. RANGA AGRICULTURAL UNIVERSITY Year of submission : 2018 xxiv concentrations of nano scale oxide particles of Zn, Mg and Fe for blackgram through seed treatment. Among the various nano scale concentrations, nano scale Zinc Oxide @ 200 ppm, nano scale Magnesium Oxide @ 100 ppm and nano scale Iron Oxide @ 200 ppm recorded higher seedling vigour index (SVI) in terms of higher germination percentage and seedling growth in both the genotypes. These concentrations were selected for further evaluation of improving tolerance to yellow mosaic virus and yield under field condition. A field study was conducted during summer 2018 with two blackgram genotypes (TBG-104 and LBG-623) and nine treatments as foliar sprays including water spray control and replicated thrice in split-plot design. YMV infection was observed at 30 DAS. The foliar treatmental sprays were imposed at 30 and 50 DAS. Growth and physiological traits viz. plant height, leaf area, total drymatter, leaf area index (LAI) and leaf area duration (LAD), specific leaf weight (SLW) were found reduced in susceptible genotype (LBG-623) as compared to tolerant genotype (TBG-104) whereas leaf lamina thickness increased in susceptible genotype (LBG-623). Bulk and nano scale combined treatmental sprays and bulk MgSO4 @ 0.2% and nano scale Magnesium Oxide @ 100 ppm maintained significantly higher leaf area, dry matter and superior physiological traits viz., LAI, LAD and SLW and also greater SCMR compared to control. These treatmental sprays also recorded higher YMV tolerance interms of high SCMR, higher chlorophyll content, total phenols, total proteins, accumulation catalase enzyme, which denotes the efficiency of these treatments in enhancing YMV tolerance. Computing yield advantage and cost benefit ratio of foliar spray treatments for YMV tolerance, combined application of bulk ZnSO4 @ 0.2% + MgSO4 @ 0.2% + FeSO4 @ 0.2% recorded significantly higher B:C Ratio followed by nano scale Magnesium Oxide @ 100 ppm and combined application of nano sacle Zinc Oxide @ 200 ppm + Magnesium Oxide @ 100 ppm + Iron Oxide @ 200 ppm compared to control water spray. The present study revealed that, micronutrient foliar spray applications viz., combined application of nano scale Zinc Oxide @ 200 ppm + Magnesium Oxide @ 100 ppm + Iron Oxide @ 200 ppm, combined application of bulk ZnSO4 @ 0.2% + MgSO4 @ 0.2% + FeSO4 @ 0.2% and nano scale Magnesium Oxide @ 100 ppm were found superior in terms of YMV tolerance, morpho-physiological efficiency, nutrient content, biochemical, yield and yield components. Other treatments viz., nano scale Zinc Oxide @ 200 ppm, nano scale Iron Oxide @ 200 ppm and bulk FeSO4 @ 0.2% showed moderate performance. Hence, combined application of nano scale Zinc Oxide @ 200 ppm + Magnesium Oxide @ 100 ppm + Iron Oxide @ 200 ppm, followed by bulk ZnSO4 @ 0.2% + MgSO4 @ 0.2% + FeSO4 @ 0.2% were promising. Among the individual nutrient sprays, bulk MgSO4 @ 0.2% and nano scale Magnesium Oxide @ 100 ppm showed to play disease tolerance and minimized the incidence of YMV in blackgram.
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    ThesisItemOpen Access
    ENHANCING DROUGHT TOLERANCE AND YIELD THROUGH FOLIAR NUTRITION IN GROUNDNUT
    (Acharya N.G. Ranga Agricultural University, Guntur, 2015) RAJITHA, B; LATHA, P
    The present investigation was aimed at enhancing drought tolerance and yield in groundnut (var. Dharani) under moisture stress condition by foliar application of different nutrients. The foliar nutrients were tested under field conditions for high WUE and other drought tolerance traits in terms of physiological efficiency, biochemical traits and yield attributes. The field experiment was conducted during rabi, 2014-15 in sandy loam soils of dry land farm, Sri Venkateswara Agricultural College, Tirupati of Acharya N.G. Ranga Agricultural University. The experiment was conducted in randomized block design, replicated thrice with 12 treatments including two controls (irrigated, stress) and ten foliar nutrients under imposed moisture stress condition from 45-75 DAS (pod initiation stage to maturation stage). The adverse effects of water stress on crop growth can be mitigated by application of chemicals like nutrients, which induce the plants to become adaptive to water-stress conditions for a specified period of time. Foliar application of key nutrients like Phosphorous (P), Potassium (K), Calcium (Ca), Zinc (Zn) and Boron (B) alleviates these deficiencies and increases drought tolerance by maintaining key physiological processes. The study finally reveals that, the morphological parameters viz., plant height, leaf area, total dry matter, growth parameters (CGR, RGR, NAR, LAI, LAD), physiological parameters viz., total chlorophyll content, specific leaf area, relative water content, relative injury, chlorophyll stability index, and yield parameters viz., 100-kernel weight, harvest index, shelling per cent, pod yields recorded high values in control irrigated treatment compared to control stress treatment. Among the foliar spray treatments to enhance drought tolerance, NPK- 19:19:19 @ 0.5% followed by KCl @ 1% and KNO3 @ 0.5% showed high physiological efficiency and yield under moisture stress condition. In groundnut, application of potassium improves relative water content of plants under normal as well as water stress conditions. The maintenance of plant water economy by potassium application in terms of high relative water content could be ascribed to the supposed role of potassium in stomatal resistance, water use efficiency and lowered transpiration rate. Phosphorous helps in development of more extensive root system and nodulation. Foliar spraying of nitrogen at moisture deficit can sustain the chlorophyll content of plants under moisture stress. Computing yield advantage and cost benefit ratio of foliar spray treatments for drought mitigation, NPK- 19:19:19 @ 0.5% recorded significantly maximum pod yield and B:C ratio followed by KNO3 @ 0.5% and KCl @ 1% compared to other treatments under moisture stress condition. The present study reveals that, foliar spray treatments NPK- 19:19:19 @ 0.5%, KNO3 @ 0.5% and KCl @ 1% are superior in terms of drought tolerance, physiological efficiency, heat tolerance, yield and yield components. Other foliar spray treatments 2% urea, 2% Di-Ammonium Phosphate (DAP), 0.5% ZnSO4, 0.5 % FeSO4, mixed fertilizer 1% urea+ 0.2% ZnSO4+ 0.5% FeSO4, and 0.5% KNO3 showed moderate performance in all attributes. Hence, NPK-19:19:19 @ 0.5%, KNO3 @ 0.5% and KCl @ 1% can be recommended to groundnut crop prone to moisture stress condition (Permanent wilting point) to sustain plant growth and final yields. Foliar application of nutrients is a very effective short term solution for certain nutrient deficiencies and perhaps, during times of moisture and drought stress and can help in mitigating drought stress.