S. G. J. N. Senanayake

Diversity Analysis of Some Traditional Rice Genotypes in Sri Lanka

A. L. Ranawake, U. G. S. Amarasinghe & S. G. J. N. Senanayake · Biotechnology Journal International · 2014

Aims: To study the diversity of traditional rice genotypes in Sri Lanka using cluster analysis and principle component analysis. Study Design:  The experiment was carried out using one hundred rice genotypes with six modern rice cultivars and ninety four traditional rice cultivar...

Open access Research Article 10.9734/BBJ/2014/12547

Fertilizer Response of Traditional Rice Cultivars at Four Different Levels as Analyzed by Multi-Criteria Decision Making Model

A. L. Ranawake, U. G. S. Amarasinghe & S. G. J. N. Senanayake · International Journal of Plant & Soil Science · 2014

Aims: to understand the effect of various polygenic traits on grain yield of traditional rice cultivars at four different fertilizer levels namely no fertilizer, x ½ recommended dose (x ½ RD), recommended dose (RD) andx2 recommended dose (x 2 RD). Study Design: Randomized complet...

Open access Research Article 10.9734/IJPSS/2014/11329

Ranking Traditional Rice Cultivars Based on Yield and Some Morphological Traits using Path Analysis, Multi-Criteria Decision Making Model and Compromise Programming

A. L. Ranawake, U. G. S. Amarasinghe & S. G. J. N. Senanayake · Journal of Experimental Agriculture International · 2014

Aims: To rank traditional rice cultivars based on yield and some morphological traits. Study Design: Experiment was conducted with four replications according to the randomized complete block design. Germinated seeds were planted in rows with 15 cm X 20 cm spacing with twenty pla...

Open access Research Article 10.9734/AJEA/2014/11325