Telephone

+94 812 388331 / 32/ 34

Email Address

info@doa.gov.lk

Office Address

Department of Agriculture, P.O.Box. 01,
Peradeniya

HORDI – Download – Research Papers 2

HORDI - LOGO

Address : P.O. Box 11, Gannoruwa rd, Peradeniya, Sri Lanka

Telephone : +94 812 388011-12-13

Email : director.hordi@doa.gov.lk

Fax : +94 812 388234

HORDI - LOGO

Address : P.O. Box 11, Gannoruwa rd, Peradeniya, Sri Lanka

Email : director.hordi@doa.gov.lk

Telephone : +94 812 388011-12-13

Fax : +94 812 388234

Address : P.O. Box 11, Gannoruwa rd, Peradeniya, Sri Lanka

Email : director.hordi@doa.gov.lk

Telephone : +94 812 388011-12-13

Fax : +94 812 388234

DOWNLOADS - RESEARCH PAPERS

DOWNLOADS - RESEARCH PAPERS

<< Back

Plant Breeding

  • Crop performance of Amaranthus (Diyapalagoda accession) produced by reaping and regrowth system
E
  • Development of embryo rescue technique for wide hybridization of capsicum spp
E
  • Evaluation of Growth and Yield Performance of Selected Lines of Yard Long Bean (Vigna unguiculata sub spp. Sesquipedalis) during Off Season in Mid Country Wet Zone
E
  • Evaluation of maize genotypes for resistance to aspergillus infection and aflatoxin production
E
  • Post harvest keeping quality and some nutritional aspects of Trianthema portulacastrum
E
  • Potential of short age sweet potato variety HORDI Malee for enhancing food security in different agro ecological zones of Sri Lanka
E
  • Yield, Keeping Quality, Antioxidant Content and Some Nutritional Aspects of Selected Accessions of Amaranthus Tricolor (2)
E
  • Varietal Stability, Yield and Quality Performance of Long Radish (Raphanus Sativus Var. Longipinnatus L.)In Mid Country of Sri Lanka
E
  • Comparison of growth and yield performances of tomato (Lycopersicon esculentum mill.) Varieties under controlled environment conditions
E
  • Potential of cultivating Agaricus bisporus strains in up country wet and intermediate zones of Sri Lanka
E
  • A simple mass propagation protocol for baby’s breath (Gypsophila paniculata L)
E
  • An Economically Feasible Package for Cultivation of Button Mushroom (Agaricus Bisporus Lange)
E
  • Analysis of combining ability and heterosis in tomato (solanum lycopersicum) using full diallel cross
E
  • Characterization of Eight Eco-Population Types of the Potato (Solanum Tuberosum L.) Variety, Granola, Collected from Up-Country Region of Sri Lanka
E
  • Cloning Of Trypsin Inhibitor Gene from Soybean and Transformation into Tobacco
E
  • Development of Embryo Rescue Technique for Wide Hybridization of Capsicum Spp
E
  • Development of In Vitro Establishment and Multiplication Technology from Gerbera Flower Buds
E
  • Effect of Artificial Pollination on Genetic Purification of Ball Radish in Upcountry of Sri Lanka
E
  • Effect of different pre-treatment to break seed dormancy of stored bitter gourd seeds in refrigerated condition
E
  • Estimation of Combining Ability, Heritability and Heterosis in Tomato (Solanum Lycopersicum L.) Using Full Diallel Mating Design
E
  • Evaluation and Characterization of Macadamia Species and Cultivars (Macadamia Sp.) in Sri Lanka
E
  • Evaluation of Breeder Seed Production Potential of Some Local Vegetable Crop Varieties in the Sandy Regosols of the Kalpitiya Peninsula
E
  • Evaluation of Self Seed Potato Production Using Pre Basic Seeds By Farmers in Nuwara Eliya District
E
  • Feasibility study for direct planting of in vitro potato (Solanum tuberosum L.) varieties Granola and Golden Star in aeroponic system
E
  • Floral Morphology and fruit formation in eggplant (Solanum melongena L.) Genotypes
E
  • Genetic Diversity of Common Bean (Phaseolus Vulgaris L.) Germplasm Based on Random Amplified Polymorphic DNA Markers
E
  • Genetic Improvement of Tomato Variety, Manik, through Induced Mutations
E
  • Genetic Transformation of Cultivated Tomato (Lycopersicon Esculentum) with Agrobacterium
E
  • Growth, Yield and Quality Assessment of Some Gotukola (Centella Hydrocotyle & Oenantha Spp.) Selections
E
  • Morphological variation in selected Innala (Solenostemon rotudifolius (Poir.) J. K. Morton) accessions
E
  • Performance and Adaptability of New Yard-Long Bean Variety Gannoruwa A9 Mae
E
  • Potential of Short Age Sweet Potato Variety HORDI Malee for Enhancing Food Security in Different Agro Ecological Zones of Sri Lanka
E
  • The cyanogenic potential of roots and leaves of released cassava (Manihot esculenta Crantz) varieties in Sri Lanka
E
  • Varietal Stability, Yield and Quality Performance of Long Radish (Raphanus Sativus Var. Longipinnatus L.) in the Mid Country of Sri Lanka
E

Agronomy

  • Alternative Growth media for soilless cultivation of bell pepper (capsicum annum L.) in protected culture
E
  • A low cost liquid nursery for production of rooted stem cuttings as planting materials for hydroponic potato production
E
  • A simplified nutrient film technology (SNFT) for seed potato production
E
  • An aeroponic system for the production of pre-basic seed of potato
E
  • Effct of Foliar Spraying of Dry Yeast as an Organic Growth Stimulant for Lettuce
E
  • Effect of chloromaquat chloride 50% SL. application on growth and yield of capsicum (Capsicum annum L.)
E
  • Effect of cold storage duration of seed tubers on the growth and yield performance of potato variety granola
E
  • Effect of coloured polythene mulch on growth, yield and quality of carrot var. Lanka carrot
E
  • Effect of different trellising systems on the growth and yield of luffa (Luffa acutangula L.)
E
  • Effect of foliar application of gibberellic acid and steckling vernalization on flower induction of temperate type carrot variety New Kuroda
E
  • Effect of fruit thinning, canopy management and number of harvests on seed quality of eggplant (solanum melongena L.)
E
  • Effect of growth medium on the production of high quality pre-basic seed potato tubers under polytunnel conditions
E
  • Effect of Plant density on yield and quality of capsicum (Capsicum annuum L) in upcountry intermediate zone
E
  • Effect of stem pruning and fruit thining on yield and quality of bell pepper in poly house
E
  • Effects of new training systems on growth, yield and quality of poly house grown salad cucumber (Cucurmis sativus L.)
E
  • Growth and yield performance of different planting materials of potato variety granola in hydroponic and aeroponic systems
E
  • New trellising system for bittergourd (Momordica charantia L.)
E
  • Potential environments of selected non-conventional areas for potato cultivation
E
  • Potential of rooted suckers of hybrid tomato (Lycopersicon esculentum MILL.) Under protected culture
E
  • Selection of tomato (Solanum lycopersicon L.) varieties for protected house cultivation
E
  • Solution pH alteration on induction of tuber initiation in hydroponically grown potatoes
E
  • Variability in physiological, morphological and agronomic characteristics of different propagule types of potato
E
  • Yield improvement of greenhouse tomatoes (Lycopersicon esculentum) through plant density management
E
  • Effect of different tepee and trellising methods on wind tolerance and yield of pole bean (Phaseolus vulgaris L.) cultivation in the Up Country Intermediate Zone of Sri Lanka
E
සි

Pest and Diseases

  • Behavioural Studies of Cowpea Seed Bruchid, Callosobruchus maculatus(F.) Against Volatile Leaf Extracts of Lemongrass, Neem and Curry Leaf
E
  • Biological activity of some steam distillates from leaves of ten species of rutaceous plahnts
E
  • Bitter Gourd (Memordica charantia L.), New Host of Ralstonia solanacearum in Sri Lanka
E
  • Can Leek Interfere With Bean Plant–Bean Fly Interaction Test of Ecological Pest Management in Mixed Cropping
E
  • Comparative Study of Selected Luffa Cultivars Resistant to Powdery Mildew and Downey Mildew in Sri Lanka
E
  • Cyperenoic and (-) – Hardwickilc and from the chiloroform extract of the roots of croton aromaticus -Isolation and insecticidal properties
E
  • Detection and molecular characterization of phytoplasma associated with chickpea phyllody disease in south India
E
  • Deterrent effects of some Sri Lankan essential oils on oviposition and progeny production of the cowpea bruchid, Callosobruchus maculatus (F.) (Coleoptera; Bruchidae)
E
  • Effect of Chitosan on Growth Parameters of Rootstock and Grafting Success of Jack Fruit (Artocarpus heterophyllus) Variety Father Long
E
  • Effect of fruit and leaf exudates for the development of anthracnose and rust pathogens in Uguressa
E
  • Effect of Trichoderma viride and Carbofuran (Curator®) on Management of Root Knot Nematodes and Growth Parameters of Gotukola (Centella asiatica L.)
E
  • Identification and Controlling of Stem Bulging of Passion Fruit (Passiflora Edulis) in Sri Lanka
E
  • Insecticidal activity of some medicinal plants of Sri Lanka
E
  • Management of powdery mildew disease of Rambutan (nephelium lappaceum l.) In Sri Lanka
E
  • Molecular detection and characterization of begomoviruses associated with cucurbitaceae vegetable in Sri Lanka
E
  • Molecular detection and characterization of begomoviruses causing bean yellowing disease Sri Lanka
E
  • Molecular Identification of Fusarium spp. from Wilt-infected Tomato and Brinjal Plants in Selected Regions of Sri Lanka and Endophytic Bacteria as a Potential Option for Disease Management
E
  • Occuerence of anthracnose (colletotrichum gloeosporioides penz.) and rust (goplana dioscoreae cummins) diseases of dioscorea in sri lanka
E
  • Sustainable plant protection for increased food security in a changing climate
E
  • Influence of Gypsum Application in Disease Management of Onion (Allium cepa L.)
E
  • New report of pod rot of moringa in Sri Lanka caused by Drechslera hawaiiensis and potential fungicides for its control
E
  • Nursery Method for Damping – off Disease in True Seed Cultivation of Cluster Onion
E
  • Non-chemical methods to control weeds and pineapple wilt virus in a pineapple (Ananas comosus (L) Merr.) Cultivation in the southern region of Sri Lanka
E
  • Response of Cabbage Varieties to Soft Rot (Erwinia carotovora) and Black rot (Xanthomonas campestris) Diseases
E
  • Insect Pest and Disease Incidences of Exotic Hybrid Chilli Varieties Grown In the Low Country Dry Zone of Sri Lanka
E
  • Pest and Disease Management of Oyster Mushroom Cultivation in Sri Lanka
E
  • A New Disease Affecting Honey Bee Colonies in Kandy District – A Potential Threat to Bee Industry
E
  • Biology of Plant Hopper, Hansenia Glauca. Kirby Infesting Jaman, Water Apple and Guava
E
  • Current Status of Papaya Mealy Bug, Paracoccus Marginatus (Hemiptera Pseudococcidae) Parasitism by Acerophagus Papayae in Selected Areas of Sri Lanka
E
  • Development of an Effective Integrated Pest Management System for Melon Fly, Bactrocera Cucurbitae Infesting Commercial Cultivation of Gherkin, Cucumis Sativus
E
  • Effect of aphids and whiteflies infestation on potato yield in Up Country Wet zone of Sri Lanka
E
  • Effect of Different Psidium Rootstocks on the Control of Root Knot Nematode and Growth and Yield of Guava (Psidiumguajava L.)
E
  • Effect of Natural and Artificial Diets on the Life History Parameters of Melon-Fruit Fly, Bactrocera Cucurbitae (Diptera Tephritidae)
E
  • Effect of Organic and Inorganic Mulches on Aphid population and Yield of Tomato
E
  • Evaluation of the application rate of Diglyphus isaea for managing Liriomyza huidobrensis in Up Country Wet Zone of Sri Lanka
E
  • Flight Activity of Liriomyza Huidobrensis (Diptera Agromyzidae) in Potato Fields in the Upcountry Wet Zone of Sri Lanka
E
  • Host Plant Preference by the Papaya Mealy Bug, Paracoccus Marginatus (Hemiptera Pseudococcidae) on Selected Host Plants Under Laboratory Condition
E
  • Impact of Selected Herbs on Managing Diamond Back Moth (Plutella Xylostella) of Cabbage in Sri Lanka
E
  • Integrated Management of Meloidogyne Species in Vegetable Fields in the Mid Country Wet Zone of Sri Lanka
E
  • Predatory Fauna Associated with Mealybugs and Scales with Emphasis on Spalgis Epius
E
  • Protein Baits to Manage Fruit Flies of Economic Importance in Sri Lanka
E
  • An Action Threshold and a Fungicide Spraying Schedule For Rust and Angular Leaf Spot in Bean
E
  • Biological Control of Collar Rot in Cowpea (Vigna Unguiculata (L.) Walp.) Incited by Sclerotium Rolfsii (Sacc.)
E
  • Chemical Factors Stimulatory to Anthracnose Development on Brinjal (Solanum Melongena L.) Fruits
E
  • Detection of Local Isolates Of Cucumber Green Mottle Mosaic Virus and its’ Management
E
  • Development of Variety Screening Method for Anthracnose Disease of Capsicum (Capsicum Annum L.)
E
  • Evaluation of Brinjal (Solanum Melongena L.) Germplasm for Resistance to Foot Rot Disease
E
  • Identification of a New Mosaic Virus Disease of Snake Gourd in Sri Lanka
E
  • Identification of Races of Fusarium Wilt Pathogen of Banana in Sri Lanka and Selection of Resistant Germplasm
E
  • Impact of Calender-based Fungicide Application for the Management of Potato Late Blight in Up Country Wet Zone of Sri Lanka
E
  • In Vitro Antifungal Activity of Selected Medicinal Plant Extracts Against Selected Postharvest Pathogens in Fruits and Vegetables
E
  • Intercropping for the Management of Rust and Angular Leaf Spot in Bean
E
  • Late Blight Resistant Potato Variety for Cultivation in the Up Country Wet Zone (UCWZ) of Sri Lanka
E
  • Management of Bulb Rot of Big Onion (Allium Cepa L.) During Storage Using Fungicides
E
  • Management of Corm Rot of Kiriala (Xanthosoma Sagittifolium (L) Schott) by Biological Control Agent, Trichoderma Harzianum
E
  • Management of Tomato Leaf Blight with Fungicides
E
  • Management of Yellowing Disease of Pumpkin
E
  • Molecular Detection of Begomovirus Associated with Bean Yellowing Disease in Sri Lanka
E
  • Morphological and Molecular Characterization of Trichoderma Isolates Used As Bio-Control Agents in Sri Lanka
E
  • Plant Pathogens Introduced to Sri Lanka Through Imported Seed Potato (Solanum Tuberosum L.)
E
  • Potential Sources of Streptomyces Scabies, the Cause of Potato Scab, in Polytunnels
E
  • Survey on Incidences and Severity of Virus Diseases of Banana in Sri Lanka
E
  • Virus Disease Incidence, Alternate Hosts of Pathogens and Disease Resistance of Tomato in Sri Lanka
E
සි

Food Contaminant

  • Determination of Heavy Metals in Rice Available In Kandy District, Sri Lanka
E
  • Organophosphate Pesticides Residues in Food Commodities in Sri Lanka A Review
E
  • Pesticide Residues in Alternanthera Sessilis and Centella Asiatica Grown In Selected Locations in Sri Lanka
E
  • Pesticide Residues in Selected Vegetables in Several Growing Areas by GC/MS Using QuEChERS Technique
E
  • Potentially Toxic Trace Elements in Mahaweli River in Sri Lanka During the Dry Season
E
  • Quantification of Pesticide Residues in Selected Vegetables using the QuEChERS Method
E
  • Health Risk on Dietary Intake of Chlorpyrifos with an Average Diet in Sri Lanka
E

Soil and Plant Nutrition

  • Studies on the performance of some vegetable crops in organic farming systems
E
  • An Appropriate Extraction Method to Determine Plant Available Phosphorus in Agricultural Soils of the Up Country Intermediate Zone of Sri Lanka
E
  • Distribution of Soil Organic Carbon in Sri Lanka A GIS Based Modelling Approach
E
  • Dynamics of Nitrifiers in Soils of Intensively Vegetable Cultivated Areas in Sri Lanka 
E
  • Effect of nitrogen fertilization on nitrate accumulation in radish (Raphunus sativus) and beetroot (Beta vulgaris)
E
  • Impact of Intensive Farming on Soil Fertility Status in Regosols in the Kalpitiya Peninsula
E
  • Impact of Usage of Agro-Chemicals on Soil Bio Diversity in Vegetable Fields at Mandaram Nuwara in Nuwara Eliya District
E
  • Nitrate Content in Leafy Vegetables Grown Under Organic and Conventional Farming
E
  • Nitrogen and potassium fertilizer response on growth and yield of hybrid Luffa –Naga f1 variety
E
  • Quality of drinking water in the anuradhapura district of sri lanka a case study in selected villages
E
  • Soil Microbial Functional Diversity Evaluation as a Soil Quality Assessment Index
E
  • Toxic Trace Elements in Soils and Edible Parts of Root and Tuber Crops in Up Country Wet and Intermediate Zones of Sri Lanka
E
  • Toxic Trace Elements in Vegetables Collected from Markets in Kandy District
E
  • Water Quality in Agro Wells and Surface Water Bodies in Anuradhapura District of Sri Lanka
E
සි

Food Research

  • Effect of 1 -methylcylopropene (1-MCP) on postharvest quality and shelf life of okra
E
  • Effect of hot ethral-dip treatment for improving peel colour development and reducing stem-end-rot of ‘karuthacolomban’ mango
E
  • A Study of Liquid Glucose Production as a Medium Scale Industry Using Cassava Starch (Manihot Esculenta)
E
  • A Study of Physicochemical Properties and Quality Aspects of Slow and Rapid Frozen Chowchow (Sechium Edule)
E
  • Analysis of Consumer Preferences for Rice Based Noodles and Biscuits
E
  • Cereal and Soybean based supplementary foods manufactured by extrusion and roller drying technologies
E
  • Comparison of 1-MCP Microbubble Immersion and Fumigation on Maintaining Quality and Antioxidant Properties of Hom Thong Banana
E
  • Development of a rice-based fruit dessert and its’ storage properties
E
  • Development of a Suitable Technology And Package for Marketing of Minimally Processed Mukunuwenna (Alternanthera Sessilis).
E
  • Development of banana fruit leather
E
  • Development of low Glycemic Index bread using a composite flour mixture
E
  • Development of Natural Food Colorant from Pumpkin (Cucurbita maxima) Varieties Available in Sri Lanka
E
  • Development of ready to serve drink from gotukola  (Centella asiatica)
E
  • Development of stirred type fruit yoghurt using wood apple (Limonia acidissima)
E
  • Influence of Processing Method and Variety on the Quality of Fried Sticks and Frozen Fries of Cassava (Manihot esculenta)
E
  • Preservation of tomato (Lycopersicon esculentum) 
E
  • Product Development of Drumstick (Moringa Olifera) Using Pod Scrapings and Seeds
E
  • Production of Durian (Durio Zibethinus) Powder by Spray Drying Technique
E
  • Technology for “Embul” Banana Export
E
  • Value Addition to Bittergourd (Momordica Charantia) by Preparing a Low Bitterness Spread
E
සි

Other

  • Genetic Diversity of Etamba in Sri Lanka
E
  • Unique responses of three highly salt-tolerant wild Vigna species against salt stress
E
  • Evaluation of fruiting ability and fruit quality through different training systems of apple
E
  • Propagation of pineapple (Ananas comosas) through stump based split suckers
E
  • Analysis of Long-term trends in Banana sector of Sri Lanka
E
  • Assessment of Pesticide Usage in Leafy Vegetable Farming in Matara District
E
  • Baseline Study on Public Awareness on Crop Wild Relatives
E
  • Conservation of citrus species as in vitro micrografts
E
  • De-belling to improve the bunch quanlity in banana (Musa Spp) cultivations aimed at leaf-harvesting
E
  • Determination of Effect of Cooking On Total Polyphenol and Ascorbic Acid Content and Antioxidant Activity of Five Common Green Leafy Vegetables and Curry Leaves
E
  • Distribution, Exploration and Conservation of Mango Genetic Diversity in Sri Lanka
E
  • DNA Typing Of Banana Cultivar ‘Ambon’ (AAA) Using Sequence Tagged Microsatellite Sites Analysis
E
  • Effect of High Graded Eppawala Rock Phosphate (Herp) On the Performance of Banana under Low and High Phosphorus Containing Rhodudalts Soils
E
  • Effect of In-Situ Decomposition of Coir-Dust and Poultry Litter in Planting Holes on Yield and Fertilizer Use Efficiency of Banana
E
  • Effect of Minimum Temperature Fluctuation during Dormancy Period on Total Harvestable Yield of Pear (Pyrus Pyrifolia) in Up Country Intermediate Zone of Sri Lanka
E
  • Effect of Organic and Chemical Fertilizer on Growth, Yield and Fruit Quality of Papaw
E
  • Effect of Storage Conditions on the Germination of Papaya Seeds
E
  • Effectiveness of public awareness programmes of crop wild relatives project
E
  • Evaluation of Fruiting Ability and Fruit Quality through Different Training Systems of Apple
E
  • Flower bud pollination during daytime for higher fruit set in Red-Fleshed dragon fruit (Hylocerus spp)
E
  • Improvement of grafting methods for propagation of Durian (Durio zibethinus MURR.)
E
  • In Vitro Propagation of Lilium Asiatic Hybrid “Prato” through Bulb Scale Culture
E
  • Induced Variation for Yield and Quality Characters of Ginger (Zingiber Officinale L.) Using Ethyl Methane Sulphonate
E
  • Influence of Different Rates and Frequencies of Potash Fertilizer Application on Fruit Yield and Quality of Rambutan (Nephelium Lappacium).
E
  • Influence of Weather Parameters on Seasonal Variation of Aphid and Whitefly Populations on Potato in Up Country Wet Zone of Sri Lanka
E
  • In-Vitro propagation of Rathambala (Musa AAA) and the occurrence of phenotypic variations in the pseudostem
E
  • Market Demand for Head Size of Cabbage and Suitable Plant Spacing For Down Sizing It to Meet the Demand
E
  • Micropropagation of Grape Var. Thompson Seedless
E
  • Morphological Characterization and Distribution of Beli (Aegle Marmelos) in Sri Lanka
E
  • Performances and Economic Returns of Leaf Oriented Banana Cultivation in Two Agro Ecological Regions
E
  • Propagation of Bael Fruits (Beli) [Aegle Marmelos (L.) Corr.] By Grafting
E
  • Regeneration and Storage of Velvet Tamarind (Dialium Ovoideum) Seeds
E
  • Septoria leaf-spot disease of banana mycosphaerella eumusae a new record for Sri Lanka
E
  • Studies on Floral Biology and Pollination Behaviour of Durian (Durio Zibethinus J. Mur.)
E
  • Studies on fruit fly infestation in banana cultivars
E
  • Varietal Evaluation and Rehabilitation studies on Ramnutan (Nephelium lappaceum L.)
E
  • Watershed Based Soil Conservation Planning Using GIS and Remote Sensing
E
සි