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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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ThesisItem Open Access BIOCHEMICAL CHANGES IN SILKWORM Bombyx mori L. DUE TO ASPERGILLOSIS(University of Agricultural Sciences GKVK, Banglore, 2007-07-18) K.P. CHINNASWAMY; M.C. DEVAIAHNO AbstractThesisItem Open Access SENSITIVITY OF IMPROVED BREEDS AND HYBRIDS OF MULBERRY SILKWORM TO BmNPV AND MANAGEMENT PRACTICES(University of Agricultural Sciences GKVK, Banglore, 2007-06-06) DURAGAPPA, K. HADIMANI; M. C. DEVAIAHNo AbstractThesisItem Open Access SENSITIVITY OF IMPROVED BREEDS AND HYBRIDS OF MULBERRY SILKWORM TO BmNPV AND MANAGEMENT PRACTICES(UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BANGALORE, 2007-06-06) K. HADIMANI, DURAGAPPA; DEVAIAH, M. CSensitivity of four improved breed s (CSR2, CSRt, MH\, BL43) and five hybrids of mulberry silkworm (CSR2 x CSRt, CSR4 x CSR2, MH) x CSR2, BL43 X CSR2 and PM x CSR2) with two concentration (10-3 and 10-6 PIBs) ofBmNPV were tested under laboratory condi tion s. The ET50 for symptom ex pression and ET50 for mortality were min imum in CSR2 when inoculated with BmNPV, while the same were maximum in PM x CSR2. The ERR was significantly maximum in PM x CSR2 and it was minimum in CSR2 when treated with BmNPV. The cocoon traits (cocoon, pupal and shell weights) except shell ratio were found to be nonsignificant in improved breeds and hybrids of silkworm when inoculated with BmNPV. Among the improved breeds and hybrids of silkworm, the cocoon filament length and cocoon fila ment weight were significantly maximum in CSR2. The cocoon filament length and cocoon f lament weig ht were significantly minimum in MH) x CSR2• Among the concentrations of PIBs, ET50 for symptom expression was less but ETso for larval mortality was minimum at 10-3 PIBs Iml with reduced econonuc parameters. The consumption, digestion an.d consumption indices were significantly minimum among .BmNPV inoculated batches compared to non-inoculated ones, irrespective of breedsl hybrids and PIBs concentration both ~uring fourth and fifth instars. The total "protein, total carbohydrate and free amino acid contents of haemolymph, the digestive amylase activity, gut and haemolymph pH were greatly altered in BmNPV infected worms compared to untreated worms. The silkworms (CSR2 x CSRt) reared on mulberry leaves dipped in aqueous leaf extracts of Psoralea 'cory leifolia L. @ 800 ppm was found effective in reducing the larval mortality due to BmNPV (10-3 PIBs) infection besides enhancing the economic traits of silkworm.ThesisItem Open Access Role of Integrated Nutrient Management in Mulberry And Its Impact on Seed And Commercial Cocoon Production(UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BANGALORE, 2007-12-08) AMARNATHA, N; NARAYANASWAMY, T.KThe role of integrated nutrient management in mulberry and its impact on seed and commercial cocoon production was studied under field condition at MRS, Hebbal, Bangalore during 2005-07. The larvae of PM and CSR2 fed on mulberry leaves raised through the application of biofertilizer @ 10 kg/ha each of Azospirilium brasilense + Aspergillus awamori + 20% recommended nitrogen each through compost, vermicompost, green manure, castor oil cake and 20% N with recommended dose of P and K through inorganic fertilizers (T4) exhibited significantly higher grownup larval weight, effective rate of rearing (96.81 and 96.38%), cocoon yield (43.59 and 70.29 kg/100 DFLs), cocoon weight, shell weight, silk productivity (2.483 and 5.953cg/day), cocoon filament length, pupal weight, rate of pupation, rate of moth emergence (92.13 and 88.50%), male and female moth weight, fresh weight of ovaries, fecundity (466.24 and 496.40 eggs/laying) and hatchability (95.31 and 94.93%) with significantly minimum disease incidence, chawki duration, fifth instar larval duration, total moulting duration, total larval duration (651.79 and 615.75h), pupal duration and cocoon melting rate. The grownup larval weight (3.678g), larval volume, ERR (92.17%), cocoon yield (67.10 kg/100 DFLs), cocoon weight, pupal weight, shell weight, shell ratio (24.41%), silk productivity and cocoon filament length (865.57m) of PMxCSR2 were maximum when its parents were fed on mulberry leaves raised on T4 treatment. While the chawki duration (254.12h), fifth instar larval duration (192.23h), total moulting duration (101.71h), total larval duration (672.28h) and disease incidence (5.83%) of PMxCSR2 were significantly minimum when its parents were reared on mulberry leaves obtained by the application T4 treatment. Thus, PMxCSR2 hybrid performed better with respect to larval, cocoon and post cocoon traits, when their parents were provided with mulberry leaves obtained by the application of microbial inoculants, organics and inorganic fertilizers as an integrated nutrient approachyThesisItem Open Access RESPONSE OF VICTORY-1 MULBERRY TO DIFFERENT SOURCES OF ORGANIC MANURES AND THEIR IMPACT ON GROWTH AND DEVELOPMENT OF SILKWORM(UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BANGALORE, 2007-10-22) NAIKA, RAMAKRISHNA; DEVAIAH, M.CThe efficacy of different sources of organic manures (vermicompost, enriched vermicompost, FY^, coirpith compost, urban solid waste compost and biodigested slurry) was evaluated as nitrogen source in V-1 irrigated mulberry. The organic manures were used to supply 100% recommended nitrogen, while the recommended phosphorus and potassium were supplied through chemical fertilizers. The mulberry thus obtained was fed to silkworms (PM x CSR-2 and PM x NB4D2) to know the economic characters. Application of vermicompost + recommended P and K to mulberry resulted in significantly higher plant height, number of shoots / plant, number of leaves / plant and leaf yield, while the leaf area index was higher with vermicompost and enriched vermicompost + recommended P and K and recommended FYM and NPK. Moisture content of leaf was more in mulberry supplied with coir pith compost + recommended P and K, while crude protein, total carbohydrates, chlorophyll *a', chlorophyll 'b\ total chlorophyll, nitrogen, phosphorus, potassium, calcium, magnesium and sulphur contents were higher in both vermicompost and enriched vermicompost along with recommended P and K. The silkworms fed on mulberry grown by application of vermicompost and enriched vermicompost along with recommended P and K registered more mature larval weight, effective rate of rearing, cocoon yield, cocoon weight, shell weight, shell ratio, silk productivity, cocoon filament length and fibroin with least mature larval duration, disease incidence, denier and sericin in both the silkworm hybrids. The study revealed that the growth, yield and quality parameters of mulberry were enhanced when organic manures were used as nitrogen source. Further, silkworms fed on mulberry leaves obtained by the application of organic manures registered enhanced economic characters. However, from the economic point of view, there is a need to explore the possibilities of combining different organic, inorganic and bio-resources of nutrients to maximize cocoon production.ThesisItem Open Access IDENTIFICATION OF SUITABLE CASTOR GENOTYPES FOR DUAL PURPOSE OF ERICULTURE AND SEED PRODUCTION(UNIVERSITY OF AGRICULTURAL SCIENCES GKVK ,BANGALORE, 2007-09-19) CHANDRASHEKHAR, S; GOVINDAN, RCastor genotypes raised under rainfed condition exhibited significant variation with respect to leaf and seed yield with higher being in DCS-85, Similarly, foliar constituents viz., moisture, crude protein, total carbohydrates, nitrogen, phosphorus, potassium, calcium and sulphur were more with DCS-85; chlorophyll 'a', 'b' and total chlorophyll contents with 48-1; while magnesium with'|3CH-177. Eri silkworms fed on leaves of selected castor genotypes exhibited marked differences with respect to bio-energetics both on fresh and dry weight basis with better performance being in DCS-85. Further, DCS-85 registered superior ERR, cocoon weight, cocoon yield, shell weight, shell yield, shell ratio, silk productivity, fibroin and sericin. However, eri pupae formed by the worms nourished with leaves of DCS-9 recorded higher pupal weight and fecundity, while egg hatching was more with DCS-9, DCS-85 and Local genotypes. In larval, cocoon and grainage indices, larval weight, cocoon weight, silk, eclosion and oviposition indices, leaf - cocoon ratio, leaf - cocoon conversion rate, growth index (% pupation) and net reproductive rate were superior with DCS-85; pupal weight index with DCS-9; larval, pupal, and larval - pupal duration indices with Kranti, DCH-177, DCS-85 and Local; hatching index with DCS-9, DCS-85 and Local; while leaf egg ratio was better with GCH-4. The fbllar consliLuenb of castor genotypes v/j., bio-chemical, major and secondary nutrient status of leaves had marginal influence on bio-energetic, economic and growth indices showing positive trend with respect to improvement in the performance of the eri silkworm. From the economic point of view, castor genotype DCS-85 can be raised under i rainfed condition for seed production and ericulture (@ 50% defoliation) to realize more B:C ratio. Hence, DCS-85 genotype could be used with cost effectiveness for dual purpose of castor seed and eri cocoon production under rainfed situationThesisItem Open Access Sensitivity Of Improved Breeds And Hybrids Of Mulberry Silkworm To Bmnpv And Management Practices(University of Agricultural Sciences, Bangalore, 2007) Hadimani, Duragappa K.; Devaiah, M.C.ThesisItem Open Access Influence Of Bio-Inoculants On Growth And Yield Of Rainfed Mulberry (Morus Alba L.) And Botanicals On Performance Of Silkworm, Bombyx Mori L(University of Agricultural Sciences, Bangalore, 2007) Sori, Waktole.; Bhaskar, R. N.ThesisItem Open Access Identification Of Suitable Castor Genotypes For Dual Purpose Of Ericulture And Seed Production(University of Agricultural Sciences, Bangalore, 2007) Chandrashekhar, S.; Govindan, R.