Thumbnail Image

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.

Browse

Reset filters
Subject: Apiculture × Start date: 2023 × Type: Thesis ×
Reset filters

Search Results

Now showing 1 - 3 of 3
  • Thumbnail Image
    ThesisItemOpen Access
    INTEGRATED MANAGEMENT OF GREATER WAX MOTH, Galleria mellonella L.
    (University of Agricultural Sciences, GKVK, 41482) MADHU, K V; Bhat, N S
    The GWM is the key pest on honey bee colonies which feed on honey bee combs and destroy the hive materials.In the present investigations, the maximum electroantennogram response was exhibited by female GWM against 5:95 ratio of binary blends of nonanal and undecanal when compared to, 10:90, 15:85, 20:80, 40:60, 50:50, 70:30, 80:20, 90:10 and 5:95 ratios tested. Among modified ratios of nonanal and undecanal @1:99, , 5:95, 7:93, 9:91, 12:88, 15:85, 100:0.00 and 0.00:100,the 7:93 (without solvent) and 5:95 (with solvent) ratios elicited maximum response in female GWM. However, the efficacy of these blends in trapping female GWMs was far too less when compared to live males and A.dorsata comb.GWMs were attracted towards delta trap fixed with A.dorsata comb for more when compared to A.cerana comb.Placing delta trap fitted with A.dorsata comb on top cover of the A.cerana hive helped prevention the wax moth infestation in A.cerana colonies.Out of two Bt products V-Bt (commercial product) and HD-1(local Bt product), the highest larval mortality with less comb damage was recorded in case of former. The IPM practices comprising cultural (periodic cleaning), Mechanical (oviposition trap installation) and chemical (lime Sulphur application) methods when integrated helped in total protection of A.cerana bee colonies from the attack of GWM up to three moths.
  • Thumbnail Image
    ThesisItemOpen Access
    DESIGNING OF SUITABLE HIVES FOR REARING AND MULTIPLICATION OF STINGLESS BEE, Tetragonula iridipennis (Smith)
    (University of Agricultural Sciences GKVK, Bangalore, 41842) PUNITH, H V; BHAT, N S
    Studies on designing suitable hives for rearing, multiplication and colony resilience of Tetragonula iridipennis were carried out during 2013-2014 at UAS, GKVK, Bangalore. Hives of different sizes i.e., small, medium and large with dimensions of 15x10x10 cm3, 30x10x10 cm3 and 30x15x10 cm3 were fabricated in wood of 2.5 cm thickness. The mean percent increase in weight gain was 70.14, 91.00 and 37.35 %, brood volume was 826.86, 1089.18 and 786.96 % and food pot volume was 1973.90, 2642.13 and 1767.94 % over the initial values during period of 6.5 months in small, medium and large hives, respectively. Part of brood and food pots when separated from mother colony into new domiciles there was no attempt to raise queen cells in the queenless part. T. iridipennis colonies placed in food dearth location showed a reduction in brood and food pot volume by 40.02 and 96.58 cm3 respectively. In food abundant location they showed gain of brood and food pot volume by 174.21 and 247.48 cm3, respectively. There were more nectar, pollen and resin foragers at food abundant location @ 91.11, 74.05 and 25.61 bees/5min respectively when compared to the food dearth location with respective activity of 40.03, 8.58 and 6.2 bees/5min. Bees commenced the repairing of damaged brood cells within 30 min of damage infliction and completed the repair in five hours while, took six hours for damaged food pots. The bees took four days to remove 100% freeze killed dead brood from the colony.
  • Thumbnail Image
    ThesisItemOpen Access
    BIOMETRICS OF STINGLESS BEE, Tetragonula iridipennis (Smith) (Hymenoptera: Apidae)
    (University of Agricultural Sciences GKVK, Bangalore, 30-01-14) L, RAMYA; G C, KUBERAPPA
    Survey on distribution, nesting behaviour and biometrics of stingless bee, Tetragonula iridipennis was conducted at different agro-climatic zones of southern Karnataka and biometry of collected samples were studied at Department of Apiculture, UAS, GKVK, Bangalore during 2013-14. Stingless bee, colonies were widely distributed in different agro-climatic zones and were found in the hallows of tree trunks, stone walls, mud walls, junctions of wooden beams of doors and windows, cracks of roof and meter box in all agro climatic zones. However, wall cavities offered excellent nesting site for most of the colonies observed in agroclimatic zones. All the colonies had small hole which acted as an entrance and it was extended horizontally and continued inside up to the nest cavity. Brood cells and food pots were compactly arranged in clusters. Food pots were sealed after filling with honey and pollen and arranged separately but, sometime intermixed. Larval cells were brown coloured, whereas pupal cells were cream coloured. Stingless bees collected from different agro-climatic zones showed variation in some of the morphometric characters. However, bees from hilly zone recorded maximum body length, head size, antennal length, lapping tongue length, thorax size, forewing and hind wing size, extent of hamuli, hind tibial size and abdominal length, followed by eastern dry zone, southern dry zone, central dry zone and coastal zone.