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Horticulture Research Station, ULLAL

The Horticultural Research Station, Ullal was established in 1953 by the Government of Madras with the assistance of ICAR. On re-organisation of states, the Research station was merged with the Govt. of Karnataka. During the year 1965, the Research station was brought under the control of University of Agricultural Sciences, Bangalore and later during April, 2009 it was transferred to University of Horticultural Sciences, Bagalkot.

The Research Station is located at a distance of 10km south of Mangalore on the way to Kasargod (NH-17) (Plate – 16). The altitude of the Research station is 15M above Mean sea level with a latitude of 130 N and longitude of 750 E. The research station is having 14.1 ha area. The soil type is typical laterite of the west coast with patches of red sandy laom. The terrain is mostly undulating with a gradient of 4 to 15 per cent. The soils are very shallow, low to medium in fertility, acidic in nature with a pH range of 5.4 to 5.8.


  • Crop improvement
  • Crop production and protection
  • Transfer of technology
  • Large scale multiplication of elite clones of cashew for supply to the farmers.


  • Released five cashew varieties namely Ullal-1, Ullal-2, Ullal-3, Ullal-4 and UN-50
  • 50 for general cultivation in the State (Pictures – 1, 2, 3, 4, and 5).
  • Standardised the technique of rejuvenating uneconomical cashew plantations through top-working for higher yields.
  • Standardised the season and methods of vegetative propagation techniques for large-scale multiplication in cashew, especially by air layering, softwood grafting and in-situ grafting methods.
  • The optimum manurial requirement, time and method of application for cashew plantations of different age groups were worked out and recommended to the growers.
  • Effective plant protection schedule for control of major pests, especially for tea mosquito and stem and root borer is being worked out and recommended from time to time to the cashew farmers.
  • Establishment and management of scion banks/bud wood nurseries for large-scale production of scion materials for grafting have been standardised.
  • Foliar applications of 2% Urea and 1% DAP along with the insecticides (0.05% Endosulfan) during flushing, flowering and fruit set stage found to increase nut yield per tree in cashew.
  • Pruning of dead wood and criss-cross branches once in 2 years in old cashew plantations improved not only the nut yield per tree but also helped in keeping the plantation hygiene.
  • Mulching around young cashew plants with 7.5 cm thickness Coir-pith was found to be very effective in reducing weed growth and conserving soil moisture.
  • Foliar application of growth regulators (2,4-D, NAA and Ethrel) at lower concentrations (5, 25 and 50 ppm, respectively) were found to be very effective in increasing hermaphrodite flowers, fruit set and nut yield per tree in cashew.
  • Application of bio-fertilizers (Azospirillum, Azotobacter and VA-Mycorrhiza) @ 10 g/ poly bag at the time of sowing cashew nuts, improved percentage germination, plant growth and reduced the incidence of nursery diseases.
  • Significantly higher nut yields and scions were produced in fertigated cashew plants over conventional method of application of fertilizers with or without drip system of irrigation.
  • Low cost poly houses constructed with locally available materials and covered with UV stabilized sheets served the purpose of raising of cashew seedlings and production of grafts through out the year with higher success rate.
  • Quantified the cashew leaf litter available under different age group of cashew plantations and standardised the decomposition methods using microbial cultures.
  • Growing Black Pepper as a mixed crop in old cashew plantations was found to be feasible for additional returns.
  • Identified promising Sweet Potato (C-43,S-1010 and X-108-1) and Cassava (H-2304 and S-856) cultivars suitable for coastal conditions.
  • Optimum manurial schedule and optimum stage of harvest for obtaining quality (marketable) tubers in Sweet Potato and Cassava crop under Coastal conditions were standardised.
  • Raising of in vitro cashew seedlings on large scale was standardised under the laboratory conditions on MS medium supplemented with NAA 2.0 mg/l. Shoot tips from in vitro seedlings could also be rooted to the extent of 65% on B5 medium with NAA 5 mg/l or MS medium with NAA 2 mg/l + BAP 10 mg/l to the extent of 65%.
  • Micro propagation techniques in Kadali variety of banana was standardised for large-scale production of tissue cultured plants. The protocol for the same is available.
  • Embryo culture and shoot tip multiplication in Udupi Mallige was standardised.
  • Production of tissue culture plants in Soundharya (Delhi Crossandra) a triploid cv. of Crossandra was standardised. The complete protocol including the hardening technique has been developed.
  • High rate of shoot multiplication from cormel tip cultures in gladiolus cultivars 'Jester' and White Friendship' have been standardised.

Picture – 1. Ullal – 1 Cashew variety
Picture – 2. Ullal – 2 Cashew variety Picture – 3. Ullal – 3 Cashew variety
Picture – 4. Ullal – 4 Cashew variety Picture – 5. Ullal – 5 Cashew variety

Contact Us:

Horticulture Research Station HeadDrawing Officer/ Farm Superintendent
HRS, MudigereDr. J. Venkatesh
M. 9480696387
Dr. Vishnuvardhan
M. 9448174272