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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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Subject: Agricultural Microbiology × End date: 2018 × Start date: 2018 ×
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    ThesisItemOpen Access
    IMPACT OF DIFFERENT RICE FARMING SYSTEMS ON DIVERSITY OF ARBUSCULAR MYCORRHIZAL (AM) FUNGI
    (Acharya N.G. Ranga Agricultural University, 2018) SAIKUMAR, PUDI; LAKSHMIPATHY, R
    Study on “Impact of different rice farming systems on diversity of arbuscular mycorrhizal (AM) fungi” was conducted at Agricultural research station, Amaravathi, Guntur during Kharif 2017-2018 by collecting the rhizosphere soil samples and root samples from selected agro climatic zones of Andhra Pradesh. The present study was undertaken to investigate the occurrence of AMF in different rice farming systems of selected agro climatic zones in Andhra Pradesh during different cropping stages of rice. A critical bench marks have been fixed in rice farming systems viz., intensive farming, natural farming and organic farming systems of North Coastal, Godavari, Krishna and Southern Zones to collect the rhizosphere soil samples and plant roots. These rhizosphere soil samples and plant roots were used for the enumeration of AMF spore density, per cent root colonization and spore types. The AMF spores density among different farming systems selected, it was more in soils collected from natural farming and least in case of intensive farming. The AMF spores density was highest in case of soil samples collected from paddy fields of Godavari zone and least in case of Southern Zone of Andhra Pradesh. The AMF per cent root colonization was more in case of root samples collected from paddy fields of Krishna Zone and least in case of Southern Zone. The AMF per cent root colonization among different rice farming systems selected, AMF percent root colonization was more in natural farming and least in case of intensive farming. Seventy one AMF spore types obtained from different rice farming systems of selected 4 agro climatic zones of Andhra Pradesh during 3 cropping stages rice were characterized based on spore morphology and they belong to 23 AMF species. Eleven AMF species from North Coastal Zone, 10 AMF species from Godavari Zone, 12 AMF species from Krishna Zone and 14 AMF species from Southern Zone were noticed. Regarding the frequency of distribution, Glomus fasciculatum was distributed more frequently in intensive farming system. While, in natural farming system Acaulospora morrowae was more frequently distributed. In organic farming system Acaulospora lacunosa was more frequently distributed. The genus Glomus was distributed more frequently than the genus Acaulospora. Shannon-Wiener diversity index of AM fungi was determined and it was more in organic farming system than other farming systems. Regarding agro climatic zones, AMF diversity was more in Krishna zone than other 3 zones. AMF diversity was more during grand growth stage compared to initial and harvesting stage. This study clearly showed a variation in physico-chemical and biochemical properties of soil, AMF activity and diversity of rhizosphere soils of different farming systems of selected agro climatic zones during 3 cropping stages of rice cultivation.
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    ThesisItemOpen Access
    ISOLATION AND SCREENING OF DROUGHT AND SALINE TOLERANT RHIZOSPHERIC PLANT GROWTH PROMOTING BACTERIA FROM SALINE SOILS AND THEIR EFFECT ON GROWTH AND YIELD OF GROUND NUT (Arachis hypogaea L.)
    (Acharya N.G. Ranga Agricultural University, 2018) NARENDRA REDDY, A; VIJAYA GOPAL, A
    Stress tolerant plant growth promoting rhizobacteria (PGPR) can enhance plant growth under stress conditions by production of exopolysaccharides and ACC deaminase enzyme activity. In the present study 48 stress tolerant PGPR were isolated from rhizospheric soil of saline effected areas and were tested for different plant growth promoting activities. Out of 48 isolates, 15 were Rhizobium, 15 Pseudomonas, 10 sulphur oxidizing bacteria (SOB) and 8 potassium releasing bacteria (KRB). Out of these 48, one efficient isolate was selected from each group i.e., Rhizobium (BRR3), Pseudomonas (VKP2), potassium releasing bacteria (AKK2) and sulphur oxidizing bacteria (NJS2) for further studies. These four isolates contain high ACC deaminase activity [BRR3 (+++), VKP2 (+++), AKK2 (+++), NJS2 (++)] and high exopolysaccharide production BRR3 36.2 mg ml-1, VKP2 30.2 mg ml-1, AKK2 21.6 mg ml-1, NJS2 24.6 mg ml-1. All the isolates were positive for the production of siderophore, IAA, ammonia and phosphate solubilization. These selected strains were tested in soil to assess their effectiveness against stress tolerance to improve the growth of groundnut under moisture stress conditions in saline soils. Pot culture experiment was conducted with groundnut crop at different water holding capacities (25 %, 50 % and 75 % WHC). The results revealed that reduction in soil moisture levels significantly reduced the growth of groundnut. However, inoculation of groundnut with stress tolerant rhizobacteria isolated from saline effected areas containing ACC deaminase and exopolysaccharide production ability significantly increased stress tolerance and enhanced the growth and yields of groundnut. These stress tolerant PGPR improved the growth parameters like plant height (35.50 cm), number of nodules per plant (69), number of pods per plant (11.0), number of seeds per pod (1.8) and also seed yield (1415.7 kg ha-1) compared to control without inoculation. 20 Application of stress tolerant bacteria significantly enhanced the activity of soil enzymes like dehydrogenase (226.50 μg of TPF g-1 of soil d-1), phosphatase (alkaline 140.23 μg pNP g-1 h-1, acidic 125.0 μg pNP g-1 h-1) and urease (119.03 μg urea g-1 h-1), highest enzyme activity observed at flowering stage of groundnut when all the PGPRs applied in combinations. Other Physico-chemical properties of soil like pH (7.90), EC (3.27 dSm-1), organic carbon (0.77 %), nitrogen (398.18 kg ha-1), phosphorous (96.99 kg ha-1), potassium (436.73 kg ha-1) and N, P, K content of plant (1.71, 0.63 and 1.81 % respectively) also improved at flowering stage of groundnut. In addition to this proline content of plant was increased under stress conditions i.e., at 25 % WHC, it was recorded as 66.97 μ moles g-1. Finally, from these results it is concluded that combined application of stress tolerant PGPRs significantly increased the growth and yield of groundnut by 38.63 %. 33.89 % and 26.26 % at 75 %, 50 % and 25 % moisture levels respectively compared to control.