Browsing Botany by Title

A comparative chemosystematical study of the genus Shorea in Sri Lanka

Perera N I S; Senanayake S P (Proceedings of the sixth Round Table Conference on Dipterocarps, Bangalore, India, 1999)

The genus Shorea of the Dipterocarpaceae family is represented by 15 species in Sri Lanka, of which 13 are endemic. Because of the existence of different classification systems for this genus, proposed by several authors ...

A study of synergistic effects of some Sri Lankan essential oils against cowpea bruchids

Paranagama, P.A.; Adhikari, A.A.C.K.; Abeywickrama, K.P.; Bandara, K.A.N.P. (Callosobruchusmaculatus,Proceedings of eleventh Asian symposium on Medicinal plants, Spices and Other Natural Products, Kunming, China, 2003)

Address on “Why plant species become invasive? – Characters related to successful biological invasion”

Ratnayake, R.M.C.S. (Biodiversity Secretariat, 2014)

The impact of Invasive Plant Species (IPS) on biodiversity is irreversible and enormous because plant invasions can alter the functioning of an ecosystem dramatically. They also have a negative impact on environmental, ...

Aflatoxigenic Aspergillus flavus and aflatoxin formation in selected spices during storage

Rajasinghe, M.; Abeywickrama, K.P.; Jayasekera, R. (2009)

Proliferation of aflatoxigenic fungi and accumulation of aflatoxins take place during storage of spices at various environmental conditions. The objective of this research was to identify the aflatoxigenic fungal species ...

Air pollution monitoring at the Environmental Specimen Bank of Germany: spruce and pine shoots as bioindicators

Rossbach, M.; Jayasekera, R. (Springer-Verlag, 1996)

An investigation has been carried out to study the pattern of heavy metal abundance in buds, needles, twigs and cones from single trees and to compare the results with the integrated (composite, homogenized) ESB material ...

An integrated strategy to control post-harvest decay of Embul banana by combining essential oils with modified atmosphere packaging

Jayawardena, B.M.; Abeywickrama, K.P. (International Journal of Food science & Technology, 2007)

Mature Embul (Musa, AAB) bananas were treated with emulsions of either cinnamon bark or leaf (Cinnamomum zeylanicum) or clove (Syzygium aromaticum) oils to control post-harvest diseases, packed under modified atmosphere ...

Analysis of naphthalene and phenanthrene degradation catabolic genes of phyllosphere bacterial strains, Alcaligenes faecalis and Alcaligenes sp. DN25

Kannangara, B.T.S.D.P.; Undugoda, L.J.S.; Sirisena, D.M. (2015)

The bacterial strains, Alcaligenes feacalis and Alcaligenes sp. DN25 which were isolated from the phyllosphere of four ornamental plant species, Ixora chinensis, Ervatamia divaricata, Hibiscus rosa-sinensis and Amaranthus ...

Annual fluctuations in populations of sea urchin Stomopneustes variolaris (Lamarck. 1816) in two rocky shores of southern Sri Lanka

Thilakarathna, R.M.G.N.; Jayakody, S.; Amarasinghe, M.D. (Sri Lanka Association for Fisheries and Aquatic Resources, 2012)

Sea urchins play a key role in rocky shore habitats as grazers. They form urchin fronts and extensively graze on macro algae resulting in regions of barrens and restructuring the habitat. The population status of ...

Antifungal activity of Croton aromatics L. in vitro, against post-harvest fungal pathogens isolated from tropical fruits

Wijesundara, S.A.D.T.L.; Kannangara, B.T.D.S.P.; Abeywickrama, K. (Faculty of Agricultural Sciences, Sabaragamuwa University of Sri Lanka, 2016)

Antifungal effect of Croton aromaticus against Rhizopus spp. Isolated from banana and papaya

Wijesundara, S.A.G.T.L.; Kannangara, B.T.S.D.P. (Institute of Biology, Sri Lanka, 2015)

Aromatic hydrocarbon degrading Phyllosphere Fungi

Undugoda, L.J.S.; Kannangara, S.; Sirisena, D.M. (University of Sri Jayawardhanapura, 2013)

Assessment of epiphytic lichen diversity in pine plantations and in adjacent secondary forest in Peacock Hill, Pussellawa, Sri Lanka

de Silva, C.M.S.M.; Senanayake, S.P. (2015)

Background levels of heavy metals in plants of different taxonomic groups from a montane rain forest in Sri Lanka

Jayasekera, R.; Rossbach, M. (Kluwer Academic Publishers, 1996)

An undisturbed natural reserve area iocated in a tropical montane rain forest at about 1800 m altitude in Sri Lanka served as a study site to investigate and assess the natural background concentration levels of As, Cd, ...

Basil oil plus aluminium sulfate and modified atmosphere packagingcontrols Crown rot disease in Embul banana (Musa acuminata, AAB) during cold storage

Siriwardanaa, H.; Abeywickrama, K.; Kannangaraa, S.; Jayawardena, B.; Attanayake, S. (Elsevier, 2017)

tEffect of basil oil spray treatment in combination with modified atmosphere packaging was investigatedin controlling crown rot and extending the shelf life of Embul banana (Musa acuminata, AAB) at 12–14◦C.Embul banana ...

Behavioural Studies of Cowpea Seed Bruchid, Callosobruchus maculatus (F.) Against Volatile Leaf Extracts of Lemongrass, Neem and Curry Leaf

Adhikari, A.A.C.K.; Paranagama, P.A.; Abeywickrama, K.P.; Bandara, K.A.N.P. (Tropical Agricultural Research, 2002)

Bioactivity of leaf volatiles of Azadirachta indica A. and Murraya koenigii (spreng) against Sitophilus orysae (L.) (Coleoptera: Curculionidae)

Paranagama, P.A.; Abeysekera, K.H.T.; Nugeliyadde, L.; Abeywickrama, K.P. (Tropical Agricultural Research and Extension, 2002)

Bioactivity of the essential oil of Cymbopogon citratus (Lemongrass) on Sitophllus oryzae(L) (Coleoptera : Curcuolionidae) [Rice Weewil]

Paranagama, P.A.; Jayaratne, K.H.T.; Nugeliyadde, L.; Abeywickrama, K.P. (Sri Lanka Association for the Advancement of Science (SLAAS), 2001)

Bioactivity of the essential oil of lemongrass, (Cymbopogon citratus) against rice weevil-Sitophilus oryzae(L.) and grain moth-Sitorroga cerealella (Olivier)

Jayaratne, K.H.T.; Paranagama, P.A.; Nugeliyadde, L.; Abeywickrama, K.P. (Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, 2001)

Bioactivity of volatile constitutents of Sri Lankan plants against cowpea bruchids, Callosobruchus maculatus

Paranagama, P.A.; Abeywickrama, K.P.; Bandara, K.A.N.P.; Adhikari, A.A.C.K. (Proceedings of AFASSA Regional Symposium on Natural Products, 2004)

Bioconcentraton of metals in edible aquatic plants from a Sri Lankan freshwater wetland

Amarasinghe, M.D.; Nirbadha, K.G.S.; Liyanage, J.A. (Sri Lanka Association for Fisheries and Aquatic Resources, 2008)

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