Yield performance of selected rainfed rice genotypes under conventional and organically-based establishment methods during the 2013 wet season

Date

5-2014

Degree

Bachelor of Science in Agriculture

Major Course

Major in Agronomy

College

College of Agriculture and Food Science (CAFS)

Adviser/Committee Chair

Lalican, Danilo J.

Abstract

A study was conducted from June-November 2013 (wet season) at the Old Central Experiment Station irrigated-lowland field, University of the Philippines Los Baños (UPLB), College, Laguna. The objectives were to assess and compare the yield performance of selected rainfed rice genotypes grown under conventional and organically-based establishment methods, determine the applicability and appropriateness of using uniform lines as an initial step in organic rice breeding and identify promising lines that could be channelled to the National Cooperative Tests (NCT). The entries evaluated in the study consisted of 16 selections and two check varieties, PSB Rc 14 and NSIC Rc 276. Results showed that five selections namely C9359-B-13-2-3-1, C9360-B-17-3-3-1, C9332-B-6-1-1-1, C9386-B-7-2-3 and C9330-B-18-1-1-2-1 outyielded PSB Rc 14 in both trials and NSIC Rc 276 in conventional trial with 10-29% and 54-82% yield advantage, respectively. No single entry performed better than NSIC Rc 276 in organically-based trial. The highest yielding selection and check variety grown under organically-based trial was C9620-B-6-2 (2454.00 kg ha-1) and NSIC Rc 276 (2285.30 kg ha-1), respectively while selection C9359-B-13-2-3-1 (3962.70 kg ha-1) and check variety PSB Rc 14 (3055.00 kg ha-1) in conventional trial. Grain yield is highly influenced by the environment. It is recommended that further trials regarding the identification for high yielding rice genotypes be conducted in different seasons and locations. This is to enable further evaluation and validation of the stability of yield potential of the identified rice genotypes evaluated in this trial.

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

LG 993.5 2014 A3 A33

Document Type

Thesis

This document is currently not available here.

Share

COinS