Determining the variability of head rice recovery of various rice varieties using different testing methods.
Date
10-2009
Degree
Bachelor of Science in Agricultural Engineering
College
College of Engineering and Agro-Industrial Technology (CEAT)
Adviser/Committee Chair
Arnold R. Elepaño
Committee Member
Kevin F. Yaptenco. Engelbert K. Peralta,
Abstract
The study was conducted to evaluate the head rice yield of different rice cultivars. Also, the grain hardness of the different rice cultivars was analyzed. the different rice varieties were also compared to determine the most crack resistant variety. The general linear Model (PROC GLM) of the statistical Analysis Software (SAS) Version & software was used in the Analysis of Variance (ANOVA) and in the Duncan's Multiple Range Test (DMRT) for the determination of the effect of variety on the bending hardness, crushing hardness, hampas HRY, stressed HRY, and unstressed HRY. The statistical analyses showed that the effects of variety are significant at the 95% confidence level. Correlation analysis showed that only stressed HRY had a strong linear relationship with unstressed HRY. Bending hardness on the other hand did not exhibit any linear association with unstressed HRY.The unstressed head rice recovery method is the most reliable test to determine the variability of potential head rice recovery of different varieties of rice since it has the lowest CV of 3.55. Regression analysis determined that a Gaussian Model Equation describes the relationship between stressed and unstressed HRY. The data also showed that for both stressed and unstressed, PsbRc 52 has the highest HRY, while PsbRc50 has the lowest HRY. Moisture Stress test could be used together with the unstressed HRY method to determine the varieties are more susceptible to cracking. The potential head rice recoveries were compared with the results of the experiment. The unstressed HRR method which used the Kett Pearlest Mill was able to measure higher head rice recoveries than the potential HRR data from Philrice measured with use of a different method.
Language
English
LC Subject
Rice--Varieties
Location
UPLB College of Engineering and Agro-Industrial Technology
Call Number
LG 993.5 2009 A2 T33
Recommended Citation
Tado, Neil Caesar M., "Determining the variability of head rice recovery of various rice varieties using different testing methods." (2009). Undergraduate Theses. 180.
https://www.ukdr.uplb.edu.ph/etd-undergrad/180
Document Type
Thesis
