Browsing by Author "Punyasiri, P.A.N."
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Item A preliminary study of the phytoalexins produced in the tea leaf in relation to the blister blight leaf disease caused by Exobasidium vexans Massee of tea(Tea Research Institute:Talawakele, 1996) Nagahamulla, S.M.; Herath, N.L.; Punyasiri, P.A.N.Item An improved procedure for the isolation of flavanols from tea leaves(Tea Research Institute. Talawakele, 1990) Punyasiri, P.A.N.; Herath, N.L.; Amarakoon, A.M.T.Item Effect of additives on the phytotoxicity of glyphosate to Panicum repens (L.) Beauv(Tea Research Institute. Talawakele, 1989) Kathiravetpillai, A.; Punyasiri, P.A.N.Item Exobasidium vexans Infection of Camellia sinensis Increased 2,3-cis somerisation and Gallate esterification of Proanthocyanidins(2006) Punyasiri, P.A.N.; Abeysinghe, I.S.B.; Pradeepa, N.H.L.; Tanner, G.J.; Campbell, P.M.; Kumar, V.Item High-performance liquid chromatography of chlorophylls in tea (Camellia sinensis)(Tea Research Institute. Talawakele, 1993) Liyanage, A.C.; Punyasiri, P.A.N.Item Microwave drying of black tea(Tea Research Institute. Talawakelle, 2003) Liyanage, A.C.; Punyasiri, P.A.N.; Bandara, U.B.S.; Mohamed, M.T.Z.Item Natural cosmetics and perfumes(NSF:Colombo, 2016-06) Punyasiri, P.A.N.Item Study on the changes of polyphenol oxidase and peroxidase activity during drying and storage of tea(Tea Research Institute. Talawakele, 1997) Liyanage, A.C.; Punyasiri, P.A.N.; Perera, P.S.F.; Mohamed, M.T.Z.Item The influence of methods of weed management in tea on the surface layer soil properties of an ultisol(Tea Research Institute. Talawakele, 1986) Ananthacumaraswamy, A.; Watson, M.; Amarasekera, A.R.; Punyasiri, P.A.N.Item The use of oxyfluorfen as a pre-emergent herbicide in tea(Tea Research Institute. Talawakelle, 1985) Kathiravetpillai, A.; Punyasiri, P.A.N.Item Total and free amino acid contents of popular rice varieties (Oryza sativa L.) consumed in the capital city of Sri Lanka(NSF:Colombo, 2020-06) Liyanaarachchi, G.V.V.; Mahanama, K.R.R.; Somasiri, H.P.P.S.; Punyasiri, P.A.N.; Kottawa-Arachchi, J.D.Item Two-stage drying of black tea using microwave energy(Tea Research Institute. Talawakelle, 2003) Liyanage, A.C.; Punyasiri, P.A.N.; Bandara, U.B.S.; Pradeepa, N.H.L.; Mohamed, M.T.Z.Item Use of biochemical compounds in tea germplasm characterization and its implications in tea breeding in Sri Lanka(National Science Foundation:Colombo, 2013-12) Kottawa-Arachchi, J.D.; Gunasekare, M.T.K.; Ranatunga, M.A.B.; Punyasiri, P.A.N.; Jayasinghe, L.