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Now showing items 1-20 of 98

The Effect of Variety and Cultivation Season on the Chemical Composition and in vitro Organic Matter Digestibility of Rice Straw

Hirimburegama, Kshanika; Jayasuriya, M.C.N. (1986)

An experiment was conducted with seven varieties of rice straw cultivated during two major growing seasons—the M a h a (North-East Monsoon) and the Y a l a (South-West Monsoon)—to examine the influence of variety and ...
Feasibility of Somatic Embryo Development in Musa, cv. Bluggoe

Sannasgala, K.; Dumortier, F.; Langhe, E. de (1991)

The uppermost part of proliferating buds (in vitro) of Musa, ABB, cv. Bluggoe, produced meristematic globules in basic Murashige and Skoog liquid medium (Murashige and Skoog, 1062), supplemented with 2,4 D (5.10~6 M) ...
Formation of meristematic globules from in vitro grown buds of Musa(banana and plantains): are these somatic proembryos?

Hirimburegama, Kshanika; Langhe, E. de (1992)

Identification of the structures 'Proembryo' and 'Embryo' is important in studies on somatic embryogenesis. Therefore, characteristic features of these two structures should be identified and clarified in such a study. The ...
In Vitro propagation of munronia pumila (Binkohomba

Hirimburegama, Kshanika; Seneviratne, A.S.; Gamage, N.; Ganegamaarachchi, J. (1994)
IN VITRO CALLUS AND C E L L CULTURES OF GOSSYPIUM HIRSUTUM L. (COTTON)

Hirimburegama, Kshanika; Gamage, N. (1994)

The leaf, petiole, green stem, immature seed and anthers of Gossypium hirsutum L. (cotton) were cultured on the basic Murashige and Skoog (1962) medium (MS), supplemented with different types of growth regulators at varying ...
A Comparison of In vitro Mass Propagation of Kew with Mauritius Type of Pineapple (Ananas comosus Merr L.)

Gamage, N.; Laksiri, B.D.P.; Hirimburegama, Kshanika (1995)

Ananas comosus L. Merr (Pineapple) is conventionally propagated through suckers, slips and ratoons taken from existing cultivations. These planting materials are not homogeneous and this is a major difficulty that farmers ...
In Vitro Somatic Embryogenesis in angiosperms with special reference to monocotyledons

Hirimburegama, Kshanika (1995)

In sexual reproduction of plants, a male and a female gamete fuse to from a single cell, the zygote, which develops into a new plant through an embryo. Formation of an embryo is known as "Embryogenesis" and formation ...
Propagation of Bambusa vulgaris (yellow bamboo) through nodal bud culture

Hirimburegama, Kshanika; Gamage, N. (1995)

Bambusa vulgaris (yellow bamboo), is the most commonly cultivated and used bamboo species in many countries. With the increased demand for bamboo, the importance of bamboo plantations has been realized. This would require ...
Plant bio technology and agriculture in Sri Lanka

Hirimburegama, Kshanika (1996)

Sri Lanka is still an agricultural country. Some important food crops cultivated are rice (slaplc food), fruits (banana, papaya, citrus etc.), vegetables and cash crops such as chilli. As identi lied even through local ...
In vitro multiplication of local cultivars of banana (Musa spp.) through shoot-tip culture

Hirimburegama, Kshanika; Gamage, N. (1996)

In vitro shoot-tip culture is a suitable alternative to the traditional methods of propagation of banana (Musa spp). In the present study, ten banana cultivars of the group AAA, AAB and ABB were tested for in vitro ...
DEVELOPMENT OF IN VITRO SOMATIC EMBRYOS FROM MUSA spp. cv EMBUL AND KOLIKUTTU (AAB GROUP)

Hirimburegama, Kshanika; Gamage, N. (1997)

The study compares somatic embryo development in two local cultivars of Musa (Embul and Kolikuttu - AAB group). Meristematic cells on 1 basic Murashige and Skoog medium (MS) supplemented with 2,4-D (0.2 mg/L) and BAP ...
Biotechnological approach in weed research- an over view

Hirimburegama, Kshanika (1997)

Research on weeds has been reported extensively and in most cases tradit ional techniques have been used. But during the last two decades, emphasis has been given on the use of biotechnology in weed research. As aresult, ...
Cultivar specificity with respect to in vitro micropropagation of Musa spp. (banana and plantain)

Hirimburegama, Kshanika; Gamage, N. (1997)

The study compares in vitro micropropagation responses and cultivar specificity using 12 cultivars of five genomic composition. Variation was revealed in in-vitro multiplication between cultivars of different genomic ...
Regeneration of Plantlets from Cultured Anthers of Tea [ Camellia sinensis (L.) O. Kuntz.]

Seran, T.H.; Hirimburegama, Kshanika; Shanmugarajah, V. (1998)
Callus formation in anther culture of tea clones, camellia sinensis (l.) O.kuntze

Seran, T.H.; Hirimburegama, Kshanika; Hirimburegama, W.K.; Shanmugarajah, V. (1999)

This study was carried out to regenerate haploids from cultured anthers of lea clones. M o r p h o l o g i c a l and histological studies on t h e a n t h e r callus development revealed that nuclei of numerous microspores ...
A prelimenary study on vitro ovary culture of tea [ Camellia sinensis (L.)]

Seran, T.H.; Hirimburegama, Kshanika; Shanmugarajah, V. (2001)
Histological analysis of callogenesis and somatic embryogenesis in plumule explant cultures of Cocos nucifera L. (coconut)

Fernando, S.C.; Hirimburegama, Kshanika; Weerakoon, L.K. (2002)

In vitro culture technology is the only means for vegetative multiplication of coconut. A protocol has been developed for plant regeneration in vitro from various tissues of coconut variety 'Sri Lanka Tall'. Despite this ...
Ecology of Two Selected Liana Species of Utility Value in a Lowland Rain Forest of Sri Lanka: Implications for Management

Kathriarachchi, Hashendra; Tennakoon, K. U.; Gunatilleke, C. V. S.; Gunatilleke, I. A. U. N.; Ashton, P. M. S. (2004)

Calamus ovoideus Thw. and Coscinium fenestratum Colebr. are economically important, naturally growing liana species in the disturbed habitats of lowland rain forests in Sri Lanka. Harvesting their mature stems has ...
A study of some factors affecting in vitro shoot proliferation of Ananas comosus (L.) Meer.

Abeysekera, W.P.K.U.; Hirimburegama, Kshanika (2005)

Ananas comous (pineapple) is a herbaceous, monocotyledonous plant which is the leading edibie member of family Bromeliacae. Pineapple is vegetatively propagated through different parts taken from the mother plant such ...
MOLECULAR PHYLOGENETICS OF PHYLLANTHACEAE: EVIDENCE FROM PLASTID MATK AND NUCLEAR PHYC SEQUENCES

Samuel, R.; Kathriarachchi, Hashendra; Hoffmann, P.; Barfuss, M.; Wurdack, K. J.; Chase, M. W. (2005)

Plastid matK and a fragment of the low-copy nuclear gene PHYC were sequenced for 30 genera of Phyllanthaceae to evaluate tribal and generic delimitation. Resolution and bootstrap percentages obtained with matK are higher ...

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