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University of Agricultural Sciences, Bengaluru

University of Agricultural Sciences Bangalore, a premier institution of agricultural education and research in the country, began as a small agricultural research farm in 1899 on 30 acres of land donated by Her Excellency Maharani Kempa Nanjammanni Vani Vilasa Sannidhiyavaru, the Regent of Mysore and appointed Dr. Lehmann, German Scientist to initiate research on soil crop response with a Laboratory in the Directorate of Agriculture. Later under the initiative of the Dewan of Mysore Sir M. Vishweshwaraiah, the Mysore Agriculture Residential School was established in 1913 at Hebbal which offered Licentiate in Agriculture and later offered a diploma programme in agriculture during 1920. The School was upgraded to Agriculture Collegein 1946 which offered four year degree programs in Agriculture. The Government of Mysore headed by Sri. S. Nijalingappa, the then Chief Minister, established the University of Agricultural Sciences on the pattern of Land Grant College system of USA and the University of Agricultural Sciences Act No. 22 was passed in Legislative Assembly in 1963. Dr. Zakir Hussain, the Vice President of India inaugurated the University on 21st August 1964.

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20192
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Subject: Agricultural Microbiology × Author: PRATHEEKA REDDY, G. × Start date: 2007 ×
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    ThesisItemOpen Access
    ISOLATION AND SCREENING OF ENDOPHYTIC BACTERIA ASSOCIATED WITH SWEET CORN (Zea Mays L. var. Saccharata sturt)
    (UNIVERSITY OF AGRICULTURAL SCIENCES, GKVK BENGALURU, 2019-03-26) PRATHEEKA REDDY, G.; NAGARAJU, K.
    Endophytes are the microorganisms that live on the surface of plants without causing harmful effects to the plants rather helping them in plant growth promotion by producing phytohormones and in disease prevention by adopting various biocontrol machanisms. Thus, endophytes play an important role and supplement different stages of plant’s life. In the present study, bacterial endophytes were studied for diversity in growth and biocontrol activities. Out of fifteen isolates, six isolates have nitrogen fixing ability, seven isolates were positive for phosphorous solubilization, nine isolates produced gibberellins, all isolates produced auxins and nine isolates produced cytokinins. Six isolates have shown siderophore production. The promising isolates having maximum functions of promoting plant growth and development like nitrogen fixation (six isolates), phosphate solubilization (nine isolates), IAA production (all isolates), gibberellin production (nine isolates), cytokinin production (nine isolates), and siderophore production (six isolates) were carried on for further study. The bacterial endophytes were further tested for bio control potential and eight isolates were found to be antagonistic to some soil borne pathogens namely, Rizoctonia solani, Pythium aphanidermatum and Sclerotium rolfsii suppressed diseases in sweet corn grown in seedling trays under glass house conditions. Three promising isolates (SCRI4, SCLI2 and SCSI3) were chosen for greenhouse study to know the effect of the endophytic bacteria on the growth and yield of sweet corn. Treatments receiving 100 percent NPK and consortia of bacterial endophytes significantly recorded better growth and yield parameters compared to treatment receiving 75 percent NPK and consortia of bacterial endophytes and treatment receiving only 100 percent NPK and both the treatments were on par with each other. February,
  • Thumbnail Image
    ThesisItemOpen Access
    ISOLATION AND SCREENING OF ENDOPHYTIC BACTERIA ASSOCIATED WITH SWEET CORN (Zea Mays L. var. Saccharata sturt)
    (UNIVERSITY OF AGRICULTURAL SCIENCES, GKVK BENGALURU, 2019-03-26) PRATHEEKA REDDY, G.; NAGARAJU, K.
    Endophytes are the microorganisms that live on the surface of plants without causing harmful effects to the plants rather helping them in plant growth promotion by producing phytohormones and in disease prevention by adopting various biocontrol machanisms. Thus, endophytes play an important role and supplement different stages of plant’s life. In the present study, bacterial endophytes were studied for diversity in growth and biocontrol activities. Out of fifteen isolates, six isolates have nitrogen fixing ability, seven isolates were positive for phosphorous solubilization, nine isolates produced gibberellins, all isolates produced auxins and nine isolates produced cytokinins. Six isolates have shown siderophore production. The promising isolates having maximum functions of promoting plant growth and development like nitrogen fixation (six isolates), phosphate solubilization (nine isolates), IAA production (all isolates), gibberellin production (nine isolates), cytokinin production (nine isolates), and siderophore production (six isolates) were carried on for further study. The bacterial endophytes were further tested for bio control potential and eight isolates were found to be antagonistic to some soil borne pathogens namely, Rizoctonia solani, Pythium aphanidermatum and Sclerotium rolfsii suppressed diseases in sweet corn grown in seedling trays under glass house conditions. Three promising isolates (SCRI4, SCLI2 and SCSI3) were chosen for greenhouse study to know the effect of the endophytic bacteria on the growth and yield of sweet corn. Treatments receiving 100 percent NPK and consortia of bacterial endophytes significantly recorded better growth and yield parameters compared to treatment receiving 75 percent NPK and consortia of bacterial endophytes and treatment receiving only 100 percent NPK and both the treatments were on par with each other.