Screening of coconut (Cocos nusifera L.) for drought tolerance
Wednesday, February 13th, 2008Drought causes a substantial reduction in national yield of coconut and also a loss of coconut palms in severe droughts thus resulting in serious economic consequences in the coconut industry in Sri Lanka. Therefore, it is a prime importance to identify some putative drought tolerant genotypes for the use in drought prone areas. The long […]
Evaluation of Luffa (Luffa acutangula (L.) Roxb) varieties under low country intermediate zone of Sri Lanka
Friday, January 18th, 2008Luffa (Luffa acutangula) is a popular low country vegetable in Sri Lanka and it is one of the most highly utilized vegetable species in the farming systems of dry and intermediate zones. The existing Luffa varieties in Sri Lanka, recommended by the Department of Agriculture, and the introduced hybrids are vulnerable to pests and diseases […]
Exploring natural resources for sustainable management of ecosystems: future challenges for control and management of Xyleborus fornicatus eichh. (Coleoptera: Scolytidae), the shot-hole borer of tea in Sri Lanka
Friday, January 18th, 2008In view of the highly diverse genetic base of the seedling tea plants, though cultivated as a monocrop, along with shade trees and surrounding forests, provided a reasonably stable ecosystem then. With the introduction of high yielding vegetatively propagated tea during 1950’s, a significant change in the distribution and population densities of pests has been […]
Development of new cultivation technology for straw mushroom (Volvariella
Friday, January 18th, 2008Paddy straw mushroom (Volvariella volvacea) is an edible mushroom variety which can be cultivated under tropical and sub tropical conditions. In Sri Lanka, though the majority of farmers grow oyster mushroom they are willing to undertake other mushroom types, including straw mushroom and milky mushroom. Straw mushroom cultivation is highly rewarding because of the favourable […]
In vitro multiplication of Wthnia somnifera auxiliary buds for mass propagation
Friday, January 18th, 2008Wthnia somnifera of family Solanaceae commonly known as Amukkara or Ashwaganda is an important medicinal perennial herb with long tapering roots. The roots are widely used in ayurvedic medicine and prescribed for hiccup, female disorders, cough and rheumatism. Wild and cultivated forms are available and cultivated plants differ in morphological and therapeutical action from wild […]
Effect of physiological status on rooting of Masbedda (Gymnema sylvestre) cuttings
Friday, January 18th, 2008Vegetative propagation by means of cuttings is an important method for starting new plants identical to the parent plants. Many plants can be propagated with good results by cutting, though the success depends upon the propagator’s circumstances, the time of year, and the plant to be propagated. The present study was carried out to investigate […]
In vitro propagation of Kaempferia galanga (L)
Friday, January 18th, 2008Kaempferia galanga (L) is an aromatic perennial herb, which is widely used in Ayurvedic medicine. Dry tubers are imported in large scale to Sri Lanka due to lack of mass production in Sri Lanka. Disease susceptibility and higher cost of production have restricted its cultivation. Propagation of Kaempferia galanga is normally by rhizome cuttings but […]
Collection, conservation, evaluation and use of durian germplasm at Horana
Friday, January 18th, 2008Unavailability of high quality varieties is one of the constraints in commercial durian production. A program to collect durian germplasm was initiated at Horana. Fruits from 26 seedling trees were evaluated for fruit weight, number of arils, number of seeds, weight of husk and seeds using six fruit per tree. Aril size, seed size, % […]
In vitro callus induction of Spilanthes calva DC [Spilanthes acmella auct. nonL,.] (Maha Akmella)
Thursday, January 17th, 2008Spilanthes calva DC. (Maha Akmella) is a valuable medicinal plant belongs to Family Asteraceae. It is widely used in indigenous medicine to treat toothache in most of the Asian countries. Not only it has anesthetic properties, but also contain secondary metabolites, with the insecticidal properties, which could be used as potential bio insecticide. This is […]
In vitro callus induction of Spilanthes calva DC [Spilanthes acmella auct. nonL,.] (Maha Akmella)
Thursday, January 17th, 2008Spilanthes calva DC. (Maha Akmella) is a valuable medicinal plant belongs to Family Asteraceae. It is widely used in indigenous medicine to treat toothache in most of the Asian countries. Not only it has anesthetic properties, but also contain secondary metabolites, with the insecticidal properties, which could be used as potential bio insecticide. This is […]
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