The electronic version of the Tropical Agricultural Research Volume 30, Number 2, 2019

ISSN: 1016.1422

 


 
 

Research Articles

Page

1

Effect of pH, Temperature and Time Combinations on Yield and Degree of Esterification of Mango Peel Pectin: A Box-Behnken Design Based Statistical Modelling 1

S. Sangheetha, D. C. K. Illeperuma, A. N. Navaratne and C. Jayasinghe

 
2 Pink wax scale (Ceroplastes rubens) a growing threat to agriculture in Sri Lanka 13

 

 K.V.A.I.K. Vithana, U.G.A.I. Sirisena and K.S.Hemachandra

 
3 Evaluation and Comparison of Vitamin Profiles of Selected Traditional Rice and Yams Grown in Sri Lanka 23

 W.M.A.A. Kulasinghe, S. Wimalasiri , G. Samarasinghe, R. Silva and T. Madhujith

 
4 Screening of Selected Rice Varieties and Advanced Breeding Lines against Iron Toxicity under Field Conditions in the Low Country Wet Zone of Sri Lanka 33

 K.G.D.I. Siriwardana, W.D.P. Weerasinghe, G.D.A. Priyantha, K.K.D. Chandrasekara, M.D.N. Rupasinghe, W.R.K.D.W.K.V. Wickramasinghe, I. Dissanayake and M.R. Wijesinghe

 

5

Extraction and Characterization of Bio-based Polymeric Materials from Traditional Rice Varieties in Sri Lanka

47
 

W.G.A. Pabasara, M.P.A. Nanayakkara, A.M.P.B. Samarasekara, D.A.S. Amarasinghe and L. Karunanayake

 

 
6 Investigation of Mechanical Properties of Nanocellulose Reinforced Synthetic Polymer Composite 55
 

K.D.H.N. Kahawita, A.M.P.B. Samarasekara, D.A.S. Amarasinghe, and L. Karunanayake

 
7 Genetic Diversity Analysis of “Murungakayan” Rice Accessions based on Seed Morphology and Molecular Characterization 65
 

 M.M.S.L. Manatunga, S.K. Wasala, V.A. Sumanasinghe and N.M. Ubeysekara

 
 
Short Communications
 
8 Adaptability of Dolichos Bean (Lablab purpureus (L.) Sweet) Recombinant Inbred Lines across Locations Representing Eastern and Southern Dry Zones of Karnataka 75
  Pranesh, S. Ramesh, N. Marappa, P. Mahadevu and M.S.P. Kanavi  
9 Effect of Fruiting Habit Traits on Fruit Yield and Its Contributing Traits in Chilli (Capsicum annuum L.) 83
  C. Anilkumar, A. Mohan Rao, B. Bhavani and S. Ramesh  
10 Algal Dominance and Impacts of Tourism on Coral Reefs in Casurina Beach, Karainagar Island, Jaffna Peninsula, Sri Lanka 89
  A. Ashani, H.M.V.G. Herath, K. Sivashanthini, W.A.A.U. Kumara and A. Harishchandra