Pollination Ecology and Breeding System of Xylopia championii (Annonaceae): Curculionid Beetle Pollination, Promoted by Floral Scents and Elevated Floral … R Ratnayake, I Gunatilleke, DSA Wijesundara, RMK Saunders International Journal of Plant Sciences 168 (9), 1255-1268, 2007 | 43 | 2007 |
Reproductive Biology of Two Sympatric Species of Polyalthia (Annonaceae) in Sri Lanka. I. Pollination by Curculionid Beetles R Ratnayake, I Gunatilleke, DSA Wijesundara, RMK Saunders International Journal of Plant Sciences 167 (3), 483-493, 2006 | 40 | 2006 |
Reproductive Biology of Two Sympatric Species of Polyalthia (Annonaceae) in Sri Lanka. II. Breeding Systems and Population Genetic Structure R Ratnayake, YCF Su, I Gunatilleke, DSA Wijesundara, RMK Saunders International Journal of Plant Sciences 167 (3), 495-502, 2006 | 19 | 2006 |
Leaf flavonoid aglycone patterns in the species of Dipterocarpaceae in Sri Lanka K Joshi, GI Seneviratne, SP Senanayake Biochemical Systematics and Ecology 32 (3), 329-336, 2004 | 14 | 2004 |
Liquid organic fertilizers for growth enhancement of Abelmoschus esculentus (L.) Moench and Alternanthera sessilis (L.) DC. J Jayasundara, R Jayasekara, R Ratnayake An international journal of Tropical plant research 3 (2), 334-340, 2016 | 11 | 2016 |
Why plant species become invasive? Characters related to successful biological invasion R Ratnayake National symposium on invasive alien species (IAS 2014), Sri Lanka., 2014 | 11* | 2014 |
Hydrolysis of fish waste using fruit wastes of Ananas comosus and Carica papaya for the formulation of liquid fertilizers R Ranasinghe, B Kannagara, R Ratnayake International journal of recycling organic waste in agriculture 10 (2), 129-143, 2021 | 8 | 2021 |
Effects of foliar and soil-applied liquid organic fertilizers on the growth of Basella alba L. and Centella asiatica L. R Ranasinghe, R Ratnayake, B Kannangara The Journal of Agricultural Sciences-Sri Lanka, 2021 | 7 | 2021 |
Identification of high-risk agro-ecological regions using species distribution modeling of priority invasive species in Sri Lanka CS Kariyawasam, HK Kadupitiya, RSS Ratnayake, AK Hettiarchchi, ... Indian Journal of Plant Genetic Resources 30 (3), 228-231, 2017 | 6 | 2017 |
Why plant species become invasive R Ratnayake Characters Related to Successful Biological Invasion. Available online at …, 2015 | 5 | 2015 |
Suitability of selected Sri Lankan weeds for the formulation of organic liquid fertilizers R Ranasinghe, LR Jayasekera, SDP Kannangara, R Ratnayake Tropical Plant Research 6 (2), 214-225, 2019 | 4 | 2019 |
Floristic and soil nutrient status of Hantana forests, Sri Lanka R Ratnayake M Phil thesis, University of Peradeniya, Sri Lanka, 2001 | 4 | 2001 |
Conservation and use of wild-harvested medicinal plants in Sri Lanka. RSS Ratnayake, CS Kariyawasam Crop wild relative conservation and use, 625-631, 2007 | 3 | 2007 |
Utilization potential of Annona glabra leaf and seed extracts as organic liquid fertilizer for Raphanus sativus TH Kahagalla, R Ratnayake Sri Lanka Foundation Institute, 2015 | 2 | 2015 |
Rehabilitation of slash and burn agricultural lands in the dry zone of Sri Lanka by low cost silvicultural method. MAAB Dilhan, J Amarasinghe, RMCS Ratnayake, TD Weerasinghe Proceedings of 7th international congress on education in botanic gardens …, 2009 | 2 | 2009 |
The occurrence of flavonoids in the genus Shorea in Sri Lanka R Ratnayake, P Senanayake 52nd Annual Session Proceeding, Association for the Advancement of Science …, 1996 | 2 | 1996 |
Allelopathic effects of Prosopis juliflora (Sw.) Dc. on selected crops and native plants J Jayasinghe, R Ratnayake Faculty of Science, University of Kelaniya, Sri Lanka., 2021 | 1 | 2021 |
Identification of challenges to attract public private partnerships for power generation infrastructures: A review SN Fernando, KGM Nanayakkara Kelaniya Journal of Management 9 (2), 75-89, 2020 | 1 | 2020 |
Lesson 21: Weeds and weed management methods SP Senanayake, R Ratnayake Research Services Centre, Faculty of Science, University of Kelaniya, 2015 | 1 | 2015 |
Effect of burying depth and surface fire on germination of selected dry zone forest plant seeds in Sri Lanka R Ratnayake, LR Jayasekera Institute of Biology, Sri Lanka, 2011 | 1 | 2011 |