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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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Author: SHARANAPPA I. HARLAPUR × Start date: 1970 × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    EPIDEMIOLOGY AND MANAGEMENT OF TURCICUM LEAF BLIGHT OF MAIZE CAUSED BY Exserohilum turcicum (Pass.) Leonard and Suggs
    (University of Agricultural Sciences GKVK, Banglore, 2007-08-31) SHARANAPPA I. HARLAPUR; M.S. KULKARNI
    Turcicum leaf blight disease of maize caused by Exserohilum turcicum symptoms were recognised by long spindle shaped necrotic lesions with grey colour centre, immature and chaffy ears. The disease appeared in severe form in most of the maize growing areas of Kamataka. Crop loss estimation studies revealed that, avoidable grain and stover yield losses in susceptible genotype were to the extent of 52 and 40 per cent, respectively. Linear regression crop loss models were developed. Arabhavi isolate recorded high virulence. Sixty-five days old plants found vulnerability to infection. An incubation period of 28 hours was found ideal for more than 90 per cent spore germination. Saccharum arundinaceum Retz. was identified as a potential alternative host to E. turcicum and plays an important role in the epidemiology of TLB in Karnataka. Significantly maximum disease severity was noticed in crop sown on 16^ September. Crop sown between Februaiy and April found least affected. The weather factors, viz., minimum temperature (11.3-21.4®C), maximum temperature (26.3-29.4°C), relative humidity (58.7-84.5%) and rainfall (47.104 mm) were highly favourable for disease epidemic. The locations, viz., Arabhavi, Dharwad, Devihosur, Sankeshwar and Nagenahalli were identified as "hot spots' in Kamataka. Significant and positive correlation existed between rainfall and relative humidity with spore load. The genotypes, viz., Allrounder, IB-8501, Cargill 900M, Hi-Shell, NAC-6004, C-111, KH-517, Kaveri 235 and NK-6240 were identified as slow blighters. The disease was responsible for photosynthesis loss to the extent of 89.40 per cent in susceptible genotype. Fourteen inbrei lines were identified as highly resistant sources. The QPM genotypes HQFM-4 and HQPM-5 found highly resistant. Integration of 'olerant hybrid DMH-2 and seed treatment with carboxin power (2 g/kg) or combined seed treatment with Azospirillum sp. (25 g/kg) and T^choderma harzianum (6 g/kg) followed by three sprays with mancoze? (0.25%) was found to be the most effective IDM package for the management of TLB of maize.