Botany: Recent submissions

Now showing items 1-20 of 200

The Groundwater Geochemistry and the Human Health Risk Assessment of Drinking Water in an Area with a High Prevalence of Chronic Kidney Disease of Unknown Etiology (CKDu), Sri Lanka

Botheju, W. S. M.; Liyanage, J. A.; Kannangara, S. D. P.; Corchado, J. (Journal of Chemistry, 2021)

Chronic kidney disease of unknown etiology (CKDu) has become an alarming health issue in Sri Lanka. ,e disease is more notable among farming communities and people who consume groundwater as their main source of drinking ...
Spatial Variation in Trophic Structure of Dominant Fish Species in Lake Dongting, China during Dry Season

Yu, J.; Guo, L.; Zhang, H.; Xu, J.; Hu, H.; Xue, T; Luo, C.; Yi, C.; Hu, Y.; De Silva, K.; Xie, P. (Water, 2018)

Understanding trophic interactions in food webs is crucial to revealing the transfer of substances and energy from primary food sources to consumers in aquatic ecosystems. We hypothesize that the trophic structure of ...
Substrate characteristics and species diversity of marine angiosperms in a micro-tidal basin estuary on the west coast of Sri Lanka

De Silva, K.; Amarasinghe, M. (Sri Lanka Journal of Aquatic Sciences, 2010)

Diversity of marine angiosperm species (seagrasses) at Kadolkele in Meegamuwa (Negombo) estuary was studied with a view to understanding the effect of substrate characteristics on diversity. Seagrass samples were obtained ...
THE OTTER AS AN UMBRELLA SPECIES IN CHINA

DE SILVA, K.H.W.L. (International Otter Survival Fund, 2021)

The aim of this survey was to assess the current presence of otter along the River Dee, in Aberdeenshire, Scotland, through a series of spot-checks for field signs indicating otter activity along the riverbanks carried out ...
The spray of essential oils with passive modified atmosphere packaging to control stem-end rot of mango 'Karutha Golomban'

Kodituwakku, T. D.; Abeywickrama, K.,; Karunanayake, K. O. L. C. (lnternational Society for Horticultural Science, lll Asian Horticuttural Gongress 'AHC2020, 2020)

'Karutha Cotomban' mango is more prone to stem-end rot (SER) disease that causes substantial postharvest losses in quality as well as quantity. The objective of this study was to use aqueous emulsions of basil (1.6 pL/mL), ...
Potential impact of predicted sea level rise on carbon sink function of mangrove ecosystems with special reference to Negombo estuary, Sri Lanka

Perera, K.; De Silva, K.; Amarasinghe, M. (Global and Planetary Change, 2018)

Unique location in the land-sea interface makes mangrove ecosystems most vulnerable to the impacts of predicted sea level rise due to increasing anthropogenic CO2 emissions. Among others, carbon sink function of these ...
Carbon Source dependent - anaerobic Soil Disinfestation (ASD) Mitigates the Sclerotial Germination of Sclerotinia Sclerotiorum

Mahalingam, T.; Rajapakse, C.S.K.; Somachandra, K.P.; Attanayake, R.N. (Tropical Plant Pathology (2020), 2020)

Though Sclerotinia sclerotiorum IS a well-studied plant pathogen that causes significant economic damage worldwide, sustain able and environmental friendly control methods are difficult to establish due to it wide host ...
Screening Anti-Bacterial Activity of Endoi.Ichenic Fungi Collected From Negombo Lagoon Sri Lanka

Weerasinghe, W.R.H.; Attanayake, R.N.; Weerakoon, G.; Paranagama, P.A. (Proceedmgs of the Postgraduate Institute of Science Research Congress. Sri Lanka, 2019)

From the ancient past, natural products have been in use to fulfill a variety of human needs, from sustenance to pharmaceutical necessities. With the discovery of Endolichenic fungi (ELF) as a novel source prominent ...
Characterization of Agrobacteriu/ll strains from agricultural soils of Bandarawela, Sri Lanka

Somarathna, G.M.T.K.; Somachandra, K.P.; Jayalath, W.G.H.; Attanayake, R.N. (First National Symposium of Sri Lanka Association for Mycology and Plant Pathology (SLAMPP), 2019)

Agrobacterium is a Gram negative, rod shaped, aerobic and motile soil inhabiting bacterium of the family Rhizobiaceae. It is well known as the causative agent of crown gall disease of many plant species around the ...
Sclerotinia sclerotiorum populations: clonal or recombining?

Attanayake, R.N.; Xu, L.; Chen, W. (Tropical Plant Pathology (2019) 44:23–31., 2019)

Sclerotinia sclerotiorum, a homothallic plant pathogen, undergoes sexual reproduction via haploid selfing (equivalent to clonal reproduction), and produces long-lasting surviving vegetative structures called sclerotia, ...
Nutritional quality of Cavendish banana (Musa acuminata, AAA) as affected by basil oil and determination of basil oil residues by GC-MS

Siriwardana, H.; Abeywickrama, K.; Kannangara, S.; Jayawardena., B. (Journal of Science of the University of Kelaniya Volume:10, 2019)

The effectiveness of basil oil on the nutritional properties of Cavendish banana and chemical composition of basil oil and oil residue levels of treated banana fruits were evaluated in this study. Cavendish banana hands ...
Postharvest application of defence elicitors to manage anthracnose in mango Fruit

Karunanayake, K.O.L.C. (Journal of Science of the University of Kelaniya Volume:10, 2019)

The use of defense elicitors; which are agents that stimulate or trigger disease resistance responses in plants have proved to be attractive alternatives to hazardous chemical fungicides in recent years. The present study ...
Nutritional quality of Cavendish banana (Musa acuminata, AAA) as affected by basil oil and determination of basil oil residues by GC-MS.

Siriwardana, H.; Abeywickrama, K.; Kannangara, S.; Jayawardena, B. (Journal of Science 2019, Department of Botany, University of Kelaniya, Sri Lanka, 2019)

The effectiveness of basil oil on the nutritional properties of Cavendish banana and chemical composition of basil oil and oil residue levels of treated banana fruits were evaluated in this study. Cavendish banana hands ...
Morphological Characterization and Molecular Identification of Stem-end Rot Associated Fungal Species Isolated from ‘Karutha Colomban’ Mango Fruits in Sri Lanka

Ekanayake, G.; Abeywickrama, K.; Daranagama, A.; Kannangara, S. (The Journal of Agricultural Sciences - Sri Lanka, 2019)

Purpose: Stem-End Rot (SER) is one of the most frequently found mango postharvest diseases in many countries including Sri Lanka. Availability of a significantly detailed study on morphological and molecular characterization ...
Molecular phylogeny and bioprospecting of Endolichenic Fungi (ELF) inhabiting in the lichens collected from a mangrove ecosystem in Sri Lanka

Maduranga, K.; Attanayake, R.N.; Santhirasegaram, S.; Weerakoon, G.; Paranagama, P.A. (PLoS ONE 13(8): e0200711. https://doi.org/ 10.1371/journal.pone.0200711, 2018)

Endolichenic fungi (ELF) are unexplored group of organisms as a source for the production of bioactive secondary metabolites with radical scavenging activity, antilipase and amylase inhibitory activities. Endolichenic ...
Tea industry waste activated carbon as a low-cost adsorbent for methylene blue removal from wastewater

Hettiarachchi, A.H.P.; Rajapakse, C.S.K. (Research Journal of Chemical Sciences, 2018)

The possible utilization of tea industry waste activated carbon (TIWAC) as an inexpensive, eco-friendly bio adsorbent for methylene blue (MB) removal from wastewater was studied. Phosphoric acid was used as the activating ...
Phenotypic variation of cabbage white mold pathogen, Sclerotinia sclerotiorum in the upcountry commercial cabbage fields in Sri Lanka

Mahalingam, T.; Guruge, B.M.A.; Somachandra., K.P.; Jayasekara, E.A.E.S.S.; Rajapakse, C.S.K.; Attanayake, R.N. (Journal of the National Science Foundation of Sri Lanka 2018 46 (2): 159 – 164, DOI: http://dx.doi.org/10.4038/jnsfsr.v46i2.8416, 2018)

Sclerotinia sclerotiorum is a cosmopolitan, necrotrophic and soil borne plant pathogen, capable of infecting many economically important crops. Although it is a well-studied pathogen elsewhere, there is no research conducted ...
Effects of Fusarium moniliforme culture extracts and fumonisin B1 on DNA, RNA and protein synthesis by baby hamster kidney cells

Abeywickrama, K.; Bean, G.A.; Kennedy, K..A. (Springer Netherlands., 1998)

Baby hamster kidney cells (BHK-21) were exposed to culture filtrates of 4 Fusarium moniliforme isolates containing varying levels of fumonisin B1 (FMB1) and the effects upon RNA, DNA and protein synthesis were monitored. ...
Inhibition of aspergillus flavus link and aflatoxin formation hy essential oils of cinnamomum xeylanicum (L) and cymbopogon nardus rendle

Jayaratna, K.H.T.; Pranagama, P.A.; Abeywickrama, K.P.; Nugaliyadde, L. (Postgraduate Institute of Agriculture, University of Peradeniya: Peradeniya, 2002)

The essential oils of Cinnamomum zeylanicum (L.) leaf and Cvmbopoeon nardus Rendle were tested for their fungistatic, fungicidal and qflatoxin suppressing efficacy against an isolate of Aspergillus flavus Link, isolated ...
The effect of spraying essential oils of Cymbopogon nardus, Cymbopogon flexuosus and Ocimum basilicum on postharvest diseases and storage life of Embul banana

Anthony, S.; Abeywickrama, K.; Wijeratnam, S.W. (The Journal of Horticultural Science and Biotechnology, Taylor & Francis., 2003)

Embul banana hands were sprayed with emulsions of the essential oils of Ceylon citronella (Cymbopogon nardus) (0.4% v/v) lemon grass Cymbopogon flexuosus (0.16% v/v), or Indian sweet basil (Ocimum basilicum) (0.16% v/v) ...

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