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Browsing by Author "Dahanayake, N."

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Induce Seed Germination of Veralu (Elaeocarpus serratus L.)

Dahanayake, N.; Alawathugoda, C.J; Ranawake, A. L. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2013-12-20)

Veratu (Elaeocarpus serratus L: Elaeocarpaceae) is an underutilized fruit tree which is indigenous to Sri Lanka. The fruits are high in starch and sugar and have low amounts of protein and iron. It may help treat dirrrhoea ...
Induction of Polyploids from Purple Coneflower (Echinacea Purpurea L.) through Colchicine Treatments

Dahanayake, N.; Yang, Yue-Sheng (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2013-11-28)

In this study petiole explants were obtained from in vitro grown diploid E. p u rp u re a (Purple coneflower: Asteraceae) plantlets and shoots were regenerated by culturing the explants on MS basal medium containing 0.3 ...
Intercropping of Rice (Oryza sativa) Varieties AT 401 and AT 402 with Green Gram ( Vigna radiata) and Radish (Raphanus sativus) in in vitro Condition

Manawadu, I.P.; Dahanayake, N.; Senanayake, S.G.J.N. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2013-11-28)

A major problem encountered in tropical agriculture is the reduced soil fertility due to monoculture. Therefore, there is a need to improve productivity of soil by using environmental friendly methods. Rice (Oryza sativa ...
Low Cost Gelling Agents for In Vitro Seed Germination of Radish (Raphanus sativus L.) Var. Beeralu Rabu

Dahanayake, N.; Senanayake, S.G.J.N.; Manawadu, I.P. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 213-12-20)

In vitro cultivation of plant tissues is generally carried out in a solid or semi-solid nutrient medium, using gelling agents. Agar is a polysaccharide extracted from sea weeds is used commonly in plant tissue culture ...
Morphological differences of haploid, diploid and tetraploid Purple cornflower (Echinaceapurpurea L.) produced by in vitro conditions

Dahanayake, N.; Yang, Yue-Sheng (University of Ruhuna, Wellamadama, Matara, 2012-02-22)

Echinacea purpurea L. (Purple cornflower) is one of the most important medicinal herb belongs to family Astraea. Three morphologically different types of roots of plantlets could be identified clearly even in in vitro ...
Morphological Variations and Biochemical Properties of Mandarin (Citrus reticulata) Varieties in Sri Lanka

Edirisinghe, E.A.A.I.K.; Dahanayake, N.; Dharamadasa, R.M. (Faculty of Graduate Studies & Library, University of Ruhuna, Sri Lanka., 2024-03-20)

Mandarin (Citrus reticulata) is one of the underutilized fruit crops in Sri Lanka and belongs to the family Rutaceae. Seven Mandarin varieties are available in Sri Lanka: Indu, Madhu, Juicy, Rahangala, Horana ehemi 1, ...
Understanding abiotic stress tolerant levels and mechanisms in some traditional rice cultivars in Sri Lanka

Ranawake, A. L.; Dahanayake, N. (University of Ruhuna, Wellamadama, Matara, 2012-02-22)

Abiotic stresses such as drought, salinity and submergence limit the rice production worldwide. Both conventional and modern rice improvement programs aim to overcome the yield constraints of rice due to abiotic stresses. ...
Understanding Submergence Tolerance of Some Traditional Rice Cultivars at Vegetative Stage

Hewage, M. J.; Ranawake, A. L.; Dahanayake, N.; Subasinghe, S. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2013-11-28)

Submergence is an important abiotic stress affecting rice cultivation causing yield losses every year. Although, as a semi aquatic plant, rice is generally intolerant to complete submergence, rice plants die within few ...

Browsing by Author "Dahanayake, N."

Browsing by Author "Dahanayake, N."

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