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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: Crop Physiology × Author: LAKSHMI PRASANNA, Y × Start date: 2017 × Type: Thesis × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    INFLUENCE OF SILICON SOLUBILIZERS ON BLAST TOLERANCE, GROWTH, DEVELOPMENT AND YIELD IN RICE (Oryza sativa L.) GENOTYPES
    (Acharya N.G. Ranga Agricultural University, 2018) LAKSHMI PRASANNA, Y; RAJA RAJESWARI, V
    The present investigation entitled “Influence of silicon solubilizers on blast tolerance, growth, development and yield in Rice (Oryza sativa L) Genotypes” was conducted at DRR farm (Indian Institute of Rice Research), Rajendranagar, Hyderabad, Telangana. The study conducted as two experiments and one experiment (Experiment I) was laid out during Kharif 2014 and 2015 in split plot design and replicated thrice with three main treatments control (T0), silixol @ 0.2% (T1), imidazole @ 0.05 % (T2) and eight sub treatments DRRH 3 (V1), PA 6129 (V2), PA 6201 (V3), PA 6444 (V4), PHB 71 (V5), BPT 5204 (V6), CO 39 (V7) and HR 12 (V8). An artificial blast screening nursery experiment (Experiment II) was conducted in Rabi 2014-2015, using blast susceptible genotype HR 12. Blast disease pressure was created by artificial inoculation. Pre infectional and post infectional spray of silicon solubilizers along with carbendazim were imposed. Another artificial blast screening nursery experiment (Experiment III) was laid out with eight rice genotypes during Rabi 2015-2016 and pre infectional and post infectional spray of silicon solubilizers were imposed. Crop response to silicon solubilizer treatments was measured in terms of morphological, physiological, biochemical, yield and its attributes and blast disease incidence. Among the silicon solubilizer treatments imidazole @ 0.05 % recorded significantly higher values for all these parameters except blast tolerance followed by silixol @ 0.2 % in both Kharif 2014 and Kharif 2015. xii Among the individual effects genotype PHB 71 showed significantly higher values for morphological, physiological, biochemical, yield and its attributes and lower blast disease incidence followed by PA 6129. PA 6201 and PA 6444 recorded moderate values for all these parameters and HR 12 and CO 39 recorded the lowest values for all these parameters. Data on different growth parameters viz., plant height, total dry matter revealed that imidazole @ 0.05 % recorded highest of all the above parameters compared to control and silixol @ 0.2 %. Among the genotypes HR 12 recorded highest plant height and total dry matter followed by PHB 71 and PA 6129. Data on tiller number, leaf area and leaf area index were significantly higher in the imidazole @ 0.05 % treatment compared to control. Among the genotypes PHB 71 and PA 6129 recorded highest tiller number and leaf area and lowest values were recorded for HR 12 followed by CO 39. Silicon solubilizer treatments significantly recorded the lowest no of days for 50 % flowering and maturity. The results indicated that the growth characteristics like CGR, RGR, NAR, SLA and LAD increased with the silicon solubilizers treatment due to increase in the leaf area and dry matter production. PHB 71 maintained higher CGR, SLA and LAD values followed by PA 6129 and PA 6201. The results of physiological parameters indicated that silicon solubilizers recorded high SCMR, total chlorophyll content and significantly increased the photosynthetic rate, stomatal conductance and maintained lower transpiration rate, leaf temperature. Imidazole @ 0.05 % treatment showed significantly higher values compared to silixol treatment @ 0.2 %. PHB 71 maintained higher photosynthetic values followed by PA 6129 and PA 6201 lowest values were recorded for HR 12 followed by CO 39. Data on the biochemical parameters indicated silicon solubilizers significantly increased the total chlorophyll content, silicilic acid content, total sugar content and phenol content. Imidazole @ 0.05 % treatment showed significantly higher values compared to silixol treatment @ 0.2%. PHB 71 maintained higher values followed by PA 6129 and PA 6201 lowest values were recorded for HR 12 followed by CO 39. Yield and its attributes i.e. number of panicles m-2, number of effective tillers hill-1, total grains panicle-1, filled grain panicle-1, grain yield kg ha-1, harvest index and test weight (g) were higher with Imidazole @ 0.05 % treatment followed by silixol treatment @ 0.2%. PHB 71 maintained higher yield attributes followed by PA 6129, PA 6201. Lowest values were recorded for HR 12, CO 39 recorded lowest values during both years of testing. xiii Highest incidence of blast disease in the field experiment (Experiment I) was observed in control which was 29.63 % followed by silixol @ 0.2 % treatment (23.61 %). The least Percentage disease index (PDI) was recorded in Imidazole treatment @ 0.05% (23.15 %). Among the genotypes HR 12 recorded highest PDI followed by CO 39 during both years of testing and lowest PDI was recorded for PA 6129, PHB 71 and PA 6201. Results of experiment II denotes that both the post infectional and pre infectional spray of different dosages of silicon solubilizers on HR 12 showed least PDI in carbendazim @ 0.2 % followed by silixol treatment @ 0.5 % and Imidazole @ 0.2 % treatment and highest PDI observed in control. Increased dosage of silicon solubilizers decreased the PDI for blast. Results of experiment III denotes that post infectional and pre infectional spray of silicon solubilizers on eight rice genotypes showed highest incidence of blast disease in control (T0) followed by silixol @ 0.2 % treatment and Imidazole treatment @ 0.05 %. Highest PDI was recorded in HR 12 followed by CO 39, BPT 5204, PA 6444 and DRRH 3 showed complete susceptibility to blast. PA 6201 and PA 6129 recorded lowest PDI and showed the resistance towards the blast disease and PHB 71 showed moderate resistance towards blast disease. More effectiveness of treatments was recorded in pre inoculation spray compared to post inoculational spray. Based on results obtained from the present study, it is evident that the Imidazole treatment @ 0.05 % proved effective among silicon solubilizer treatments in improving growth, physiological parameters. However significant effect in inducing blast tolerance in rice genotypes was not observed. Among the genotypes PHB 71 and PA 6129 were found effective for morphological, physiological efficiency, biochemical and yield attributes.