Jemmarie G. Suetos and Samuel R. Simon
Southern Cagayan Research Center and Isabela State University – Cabagan Campus
Jemmarie G. Suetos obtained her Master’s degree in Agricultural Science at the Isabela State University – Cabagan Campus. She works as a researcher from 2012 to present at the Department of Agriculture – Southern Cagayan Research Center (DA-SCRC), Iguig, Cagayan, Philippines. She spearheaded particular rice researches including varietal, fertilizer and community-based participatory action researches.
Dr. Samuel R. Simon is a Licensed Agricultural Engineer, Agriculturist and Teacher. He is a graduate of Bachelor of Science in Agricultural Engineering in 1989, Master of Science in Mathematics Education in 2002, both in Isabela State University (ISU), and Doctor of Philosophy in Agricultural Engineering at the Central Luzon State University, Science in 2012. At present he is the Campus Director for Research and Development of ISU at Cabagan Campus.
The study was conducted to evaluate the growth and yield performance of different rice varieties under different methods of establishment in Cagayan Province during the 2017 wet cropping season. The experiment was laid out following the split-plot design and replicated three times with the following treatments: rice varieties (main plot): a1–NSIC Rc412H (Mestiso 70, LP 205), a2–NSIC Rc132H (Mestiso 6, SL-8H), a3–NSIC Rc218SR (Mabango 3), a4–NSIC Rc13 (Malagkit 1); and methods of establishment (Sub-plot): b1–transplanted (TPR) method, b2–direct seeded (DSR) method and b3–modified (System of Rice Intensification or SRI) method. Results revealed that there is a significant difference among the varieties tested in terms of growth and yield parameters tested. Inbred rice varieties planted singly in a wider spacing attained yield higher than the hybrid rice varieties. The different methods of establishment applied significantly affected the growth and yield performance of the four varieties tested. With respect to the cost and return analysis, modified SRI method of establishment appeared to be the most profitable to practice in rice production compared to transplanted and direct seeding methods of establishment as evidenced by the computed ROI.
Keywords: methods of rice establishment, system of rice intensification, performance of rice varieties