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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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Subject: Agricultural Entomology × Author: AJAYKUMARA, K. M. × End date: 2019 × Start date: 2014 × Type: Thesis ×
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    ThesisItemOpen Access
    BIOLOGY AND MANAGEMENT OF Rhyzopertha dominica (F.) (BOSTRICHIDAE: COLEOPTERA) ON MAIZE
    (2015-07-10) AJAYKUMARA, K. M.; Thirumalaraju, G. T
    Biology of Rhyzopertha dominica was studied on Giant African Tall variety, CP-818 and Hema maize hybrid seeds during three different seasons (kharif, rabi and summer 2014-15) and management studies by using new insecticide molecules and carbon dioxide treatments were studied. The eggs were oblong, white and waxy in appearance. Eggs occupied a mean incubation period of 9.72, 9.48 and 9.64 days during kharif and 7.76, 7.36 and 7.56 days during summer on GAT, CP-818 and Hema, respectively. Total grub period occupied relatively longer duration during kharif than summer. The lower fecundity was observed during kharif compared to summer. Fecundity was higher on GAT seeds. R. dominica completed its total lifecycle in longer duration of 61.84 days on GAT, 60.12 on CP-818 and 60.96 on Hema during kharif and relatively shorter duration of 47.12 days on CP-818, 48.24 on Hema and 49.76 on GAT in summer. Evaluation of insecticide molecules revealed, the insecticides spinosad 45 SC @ 2 ppm followed by emamectin benzoate 5 SG @ 2 ppm were found to be most effective up to nine months after storage and maintained seed quality parameters above minimum seed certification standards. However, remaining insecticides were also reduced the seed damage and preserved the seed quality. In the management of R. dominica by using CO2, all the three concentrations of CO2 (30, 40 and 50 % of volume) were found to be effective in reducing the seed damage and number of adult survival without affecting the germination, moisture content and vigour indices.