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University of Agricultural Sciences, Dharwad

The University of Agricultural Sciences, Dharwad was established on October 1, 1986. The University has 5 Colleges, 27 Research Stations, 6 Agriculture Extension Education Centers, 6 Krishi Vigyan Kendras and ATIC. The University has its jurisdiction over 7 districts namely Bagalkot, Belgaum, Bijapur, Dharwad, Gadag, Haveri, and Uttar Kannada in northern Karnataka. Greater diversity exists in soil types, climate, topography cropping and farming situations. The jurisdiction includes dry-farming to heavy rainfall and irrigated area. Important crops of the region include sorghum, cotton, rice, pulses, chilli, sugarcane, groundnut, sunflower, wheat, safflower etc. The region is also known for many horticultural crops. Considerable progress has been registered in the field of education, research and extension from this University.

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2000 - 200972010 - 20171
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Subject: Seed Science and Production Technology × Type: Thesis ×
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Now showing 1 - 8 of 8
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    ThesisItemOpen Access
    Effect of Desiccants on Seed Quality Under Hermetic Storage
    (University of Agricultural Science, Dharwad, 2017-07) Kishore Kumar; Hilli, J.S.
    An investigation was undertaken with main objectives to know the effect of desiccants on seed quality parameters of crop seeds during storage and to assess the benefit cost ratio of storage method (economics) in wheat, bengalgram and sunflower with initial seed moisture content of 12.3, 10.2 and 8.9 per cent, respectively was carried out between August, 2016 to April, 2017 at the Department of Seed Science and Technology, College of Agriculture, UAS, Dharwad. Quantity of desiccants stored per kilogram of seed in each crop viz. wheat, bengalgram and sunflower seeds is 0.37, 0.26 and 0.21 kg for zeolite beads (Rhino Research), one kg for both silica gel, calcium carbonate and control without desiccant in air tight container. The experiment was laid out in completely randomized design with four treatments and five replications. Seed stored with zeolite beads recorded the highest germination (88.8, 88.2 and 89.4 %) which was on par with silica gel (87.2, 86.8 and 88.0 %) at the end of storage period. Lower seed moisture, 100 seed weight was observed in the seeds stored with silica gel at the end of storage period. Higher rate of germination, shoot length, root length, seedling vigour-I, seedling dry weight and dehydrogenase activity was observed in seeds stored with zeolite beads which was on par with silica gel at the end of storage period. The maximum benefit cost ratio of (14.57:1, 18.11:1 and 71.88:1) and (12.7:1, 16.28:1 and 67.85:1) was recorded with zeolite beads and silica gel in wheat, bengalgram and sunflower crop, respectively at the end of storage period compared to control. Therefore, we can be concluded that the zeolite beads can be used safely for seed drying without impairment in seed quality.
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    ThesisItemOpen Access
    SILT AND SAND MINERALOGY OF SELECTED ASSOCIATED RED AND BLACK SOILS OF NORTH KARNATAKA
    (University of Agricultural Sciences, Dharwad, 2003) NATARAJA, K C; BASAVARAJ, B
    Six soil profiles from three sites of North Karnataka viz., Main Agricultural Research Station, Dharwad in Dharwad district, Bheemarayanagudi in Gulbarga district and Mantagani in Haveri district were collected to identify and determine the secondary and primary minerals silt and sand fractions. Identification of primary minerals in silt and sand fractions was made by XRD and petrographic method respectively and determination of secondary minerals in the silt fraction through chemical methods. It was revealed that structure in red and black pedons were predominantly sub-angular blocky and angular blocky in subsurface horizon of Bheemarayanagudi black pedon. Slickensides were common feature in black pedons and their intensity was more in middle of the solumn. Free iron oxides content was more in red pedon compared to the associated black pedon. Among the three study sites, Bheemarayanagudi had low amount of free iron oxides as it was devoid of iron bearing minerals while free calcium carbonate was more at Bheemarayanagudi sites than Main Agricultural Research Station, Dharwad and Mantagani sites. Smectite and vermiculite content was more over other secondary minerals in the silt fraction of all the red and black pedons and little amount of Kaolinite was found in the pedons. Among the primary minerals quartz, mica, potassium and sodium feldspars were dominant as identified by XRD in the silt fractions of all the pedons. Fine sand fraction showed the dominance of light minerals like quartz, biotite mica, Na-Feldspars, K-Feldspars and apatite. The abundance of these minerals is high at the surface layer of Dharwad black pedon compared to its red counterpart indicating more weathering status of the associated red pedon. Whereas, these difference is not much conspicuous in other two sites. However, the presence of weathering resistant minerals like zirconium throughout the depths of both red and black pedons of Mantagani site indicated similar weathering status of the associated red and black pedon.
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    ThesisItemOpen Access
    INFLUENCE OF SPACING, NUTRITION, PINCHING AND HORMONES ON PLANT GROWTH, SEED YIELD AND QUALITY OF CORIANDER (Coriandrum sativum L.)
    (University of Agricultural Sciences, Dharwad, 2003) IYYANNAGOUDA, SOUMYA; SHEKHARGOUDA, M
    ABSTRACT NOT AVAILABLE
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    ThesisItemOpen Access
    EFFECT OF SEED TREATMENT AND CONTAINERS ON SEED STORABILITY OF GARDEN PEA (Pisum sativum L.)
    (University of Agricultural Sciences, Dharwad, 2003) MALIMATH, SUSHMA D; MERWADE, M N
    ABSTRACT NOT AVAILABLE
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    ThesisItemOpen Access
    STUDIES ON SEED PRODUCTION TECHNIQUES AND STORAGE POTENTIAL IN INTER SPECIFIC COTTON HYBRID DHB-105
    (University of Agricultural Sciences, Dharwad, 2003) MALABASARI, T A; SHEKHARAGOUDA, M
    The field experiments to study the seed production techniques in inter specific cotton hybrid DHB-105 were conducted at Agricultural Research Station, Bagalkot and Gangavati during 1997-1999 and laborator}- experiment was conducted at Agricultural Research Station, Bagalkot from 1998 to 1999 to assess the storability. Irrespective of locations, wider spacing (120 x 120 cm) recorded significantly low plant heigl t (155.9 arid 126.2 cm), higher number of sympodial branches (28.0 and 23.5) per plant, boll weight (4.51 and 4.42 g), boll set (52.5 and 48.0), seed index (10.59 and 10.33 g) seed yield per ha (1694.8 and 1613.9 kg), germination (83.6 and 81.4%), field emergence (75.10 ajid 73.80%) and vigour index (1686 and 1678) at Bagalkot and Gangavati, respectively compared to closer spacing (90 x 90 cm). Soil application of ZnS04 @ 5 kg/ha at sowing recorded significantly higher number of crossed bolls per plant (70.6 and 53.5), boll set (51.5 and 48.7%), boll weight (4.41 and 4.38 g), seed index (10,43 and 10.15 g), seed yield per ha (1639.0 and 1361.4 kg), germination (82.00 and 81.90%), 'field emergence (74.4 and 74.20%) and vigour index (1702 and 1679) at both the locations, respectively and followed by foliar application of boron (0.1%). Application of growth promoters (40 ppm GA3, 20 ppm NAA) and retardant (120 ppm cycocel) significantly increased boll set, boll weight, seed index, seed yield per plant and per ha (kg) besides seed germination, field emergence and vigour index at Bagalkot and Gangavati locations compared to other growth regulators and control. The germination, field emergence and vigour index values decreased steadily with the progress in the storage period. First and second picking seeds recorded better storability compared to third picking. The delinted seed maintained higher seed quality up to 12 months, while linted seeds up to 16 months of storage. The seeds stored in polythene bag (700 gauge) were superior over cloth bag for all tne seed quality parameters throughout the storage period.
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    ThesisItemOpen Access
    EFFECT OF MACRO AND MICRONUTRIENTS AND GROWTH REGULATORS ON PLANT GROWTH, SEED YIELD AND QUALITY OF BELL PEPPER Cv. California Wonder
    (University of Agricultural Sciences, Dharwad, 2002) YOGANANDA, D K; VYAKARANAHAL, B S
    ABSTRACT NOT AVAILABLE
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    ThesisItemOpen Access
    INFLUENCE OF SOURCE TO SINK RELATIONSHIP ON SEED YIELD AND QUALITY IN SOYBEAN [Glycine max (L.) Merrill]
    (University of Agricultural Sciences, Dharwad, 2001) KURTAKOTI, SIDDHALINGESH B; KURDIKERI, M B
    ABSTRACT NOT AVAILABLE
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    ThesisItemOpen Access
    STUDIES ON THE EFFECT OF THRESHING METHODS, FUNGICIDAL SEED TREATMENIS AND MATERIALS ON SEED QUALITY AND STORABILITY OF SOYBEAN [Glycine max Merril]
    (University of Agricultural Sciences, Dharwad, 2000) RAMESHA REDDY, B; ACHOTH, LALITH
    ABSTRACT NOT AVAILABLE