Browsing by Author "Karunaratne, M.M.S.C."

Anemotactic Reponses of the Male Oriental Fruit Fly, Dacus dorsalis to 2,3,5 Trimethyl Pyrazine in a Horizontal Wind Tunnel

Karunaratne, M.M.S.C. (1998)

Anemotactic responses of the male oriental fruit fly Dacus dorsalis to 2,3,5 trimethyl pyrazine were studied using a horizontal wind tunnel. Various concentrations of the chemical compound had significant effects on the ...

Behavioural Responses of the Female Melon Fly Bactrocera cucurbitae to Male Produced Sex Pheromone

Dilrukshika, S.V.C.V.; Karunaratne, M.M.S.C. (2009)

Behavioral responses of female Bactrocera cucurbitae to the male sex pheromones were studied by using a double-choice olfactometer with an air flow. Sexually mature females responding to the male pheromone during ...

Bioactivity and Volatile Profiling of Azadirachta indica Leaves for the Management of Maize Weevil, Sitophilus zeamais (Motsch.) Infestations

Perera, A.G.W.U.; Karunaratne, M.M.S.C.; Chinthaka, S.D.M. (Department of Forestry and Environmental Science University of Sri Jayewardenepura, 2018)

Neem (Azadirachta indica A. juss), is known to possess a wide range of pharmacological properties and is thus commercially exploitable. Apart from its medicinal potential, a considerable progress has been achieved regarding ...

Bioactivity and volatile profiling of Azadirachta indica leaves for the suppression of Maize Weevil, Sitphilus zeamais (Motsch.) infestations (FP1017)

Perera, A.G.W.U.; Karunaratne, M.M.S.C.; Chinthaka, S.D.M. (Proceedings of National Conference on Green Practices – 14th July 2016 Water's Edge, Battaramulla., 2016)

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Combinations of Leaf Powders of Ruta Graveolens and Azadirachta indica to Enhance the Repellent Activity of Sitophilus zeamais (Motsch.) in Stored Maize in Sri Lanka

Perera, A.G.W.U.; Karunaratne, M.M.S.C.; Chinthaka, S.D.M. (Proceedings of the International Forestry and Environment Symposium 2016, Department of Forestry and Environmental Science, University of Sri jayewardenepura, Sri Lanka., 2016)

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Comparative Pesticidal and Repellent Effects of Some Selected Plant Species on Cowpea bruchid (Coleoptera:Bruchidae)

Karunaratne, U.K.P.R.; Karunaratne, M.M.S.C. (2011)

Toxic and repellent effects of four plarts belonging to the family Lamiaceae against the stored legume pest. Callosobruchus maculatus (Coleoptera.Bruchidae) were investigated. Several bioassays were carried out under ...

Courthsip Behaviour in the Oriental Fruit Fly, Dacus dorsalis under Semi-natural Conditions

Karunaratne, M.M.S.C. (1995)

An investigation was carried out to study the distribution and courtship behaviour of the oriental fruit fly, Dacus dorsalis under semi-natural conditions using a potted citrus plant held inside a perspex cage. The principal ...

Eco-Friendly Alternatives for Storage Pest Management: Leaves of Ruta Graveolens (Aruda) as a Repellent against the Rice Weevil, Sitophilus oryzae L.

Perera, A.G.W.U.; Karunaratne, M.M.S.C. (University of Sri Jayewardenepura, Nugegoda, 2015)

In view of worldwide interest and greater public awareness in finding plant products as the most promising and ecologically safer alternatives for synthetic insecticides in post-harvest protection of stored rice, present ...

Eco-Friendly Alternatives for Storage Pest Management:Leaves of Ruta Graveolens (Aruda) as a Repellent Against the Rice Weevil, Sitophilus Oryzae L.

Perera, A.G.W.U.; Karunaratne, M.M.S.C. (International Journal of Multidisciplinary Studies (IJMS), 2015)

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Eco-Friendly Candidate for Storage-Pest Management: Potential of Olax zeylanica Leaves in the Suppression of Sitophilus oryzae L. Infestations

Perera, A.G.W.U.; Karunaratne, M.M.S.C. (University of Sri Jayewardenepura, Nugegoda, 2015-10-16)

Globally, significant losses of rice occur during post harvest storage due to rice weevil Sitophilus oryzae attack, which is considered the major insect pest of stored rice, in spite of growth of paddy production. In this ...

Eco-Frlendly Alternatives for Storage Pest Anagement: Leaves of Ruta graveolens (Aruda) As a Repellent Against the Rice Weevil, Sitophilus oryzae L. (Coleoptera: Curculionidae)

Perera, A.G.W.U.; Karunaratne, M.M.S.C. (University of Sri Jayewardenepura, Nugegoda, 2015-09-11)

In view of worldwide interest and greater public awareness in finding plant products as the most promising, ecologically safer, and economical alternatives for synthetic insecticides for post-harvest protection of stored ...

Efficacy of Essential Oil of Ruta graveolens Leaves Against Sitophilus oryzae (Linnaeus) as a Biorational Pesticide in Post-Harvest Pest Management

Perera, A.G.W.U.; Karunaratne, M.M.S.C. (University of Sri Jayewardenepura, Nugegoda, 2015-09-16)

Essential oil bearing plants are arising as the most popular entrants in the replacement of synthetic insecticides in post-harvest insect pest management due to their volatility, biodegradability, eco-friendly and esculent ...

Efficacy of Essential Oil of Ruta Graveolens Leaves Against Sitophilus Oryzae (Linnaeus) As A Biorational Pesticide in Post-Harvest Pest Management

Perera, A.G.W.U.; Karunaratne, M.M.S.C. (International Journal of Science, Environment and Technology, 2016)

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Efficacy of Three Plant Species on the Mortality and Food Consumption of Epilachna vigintioctopunctata

Karunaratne, M.M.S.C.; Arukwatta, A.P.K.M.C.P. (2009)

The Evaluation of Azadiracta indica (Neem), Annona reticulata, (Custard apple) and Annona squamosa (Sugar apple) under laboratory conditions showed their potential as antifeedants and insecticides for the control ...

Evaluation of Methanol, Ethanol and Acetone Extracts of Four Plant Species as Repellents against Callosobruchus maculatus (Fab.)

Karunaratne, U.K.P.R.; Karunaratne, M.M.S.C. (2015-08-20)

Methanol, ethanol and acetone extracts of leaves of four plants were evaluated for repellent activity against adult Callosobruchus maculatus using a multi-choice bio-assay apparatus. The experimental plant species studied ...

Evidence for a male-produced sex pheromone and behavioural responses of the Oriental fruit fly, Bactrocera dorsalis (Hendel) to the pheromone in a horizontal Wind tunnel

Karunaratne, M.M.S.C. (University of Sri Jayewardenepura, 2014)

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Garlic (Allium sativum L.) Oil: A Potential Green Pesticide for Storage Insect Pest Management

Amarakoon, T.; Karunaratne, M.M.S.C. (University of Sri Jayewardenepura, Nugegoda, 2015-10-16)

Due to the ever increasing problems with pesticides, more attention is given for the potential use of green pesticides of plant origin in storage insect pest management systems. The present study, therefore, was carried ...

Green Technology for Post-Harvest Pest Management: Potential of Three Citrus species as Natural Grain Protectants against Pulse Beetle, Callosobruchus maculatus (Fab.) [Coleoptera, Bruchidae]

Harshani, H.S.; Karunaratne, M.M.S.C. (University of Sri Jayewardenepura 2018, 2018-11)

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Insecticidal activity of leaves of ruta graveolens against the Maize Weevil, Sitophilus zeamais (Motsch.): A green approach for storage pest management (FB1016)

Perera, A.G.W.U.; Karunaratne, M.M.S.C.; Chinthaka, S.D.M. (2016)

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Laboratory Evaluation of Some Sri Lankan Plants as Post-harvest Grain Protectants for the Control of Rice Weevil Sitophilus oryzae

Gunarathna, T.V.N.M.; Karunaratne, M.M.S.C. (2009)

Powdered leaves of thirty seven plant species were screened under laboratory conditions with the temperature of 29±2° C and 84±2 % relative humidity for their repellent properties against rice weevil, Sitophilus oryzae ...

Browsing by Author "Karunaratne, M.M.S.C."

Browsing by Author "Karunaratne, M.M.S.C."

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