Additive main effect and multiplicative interaction on fixed Model of two factors design

Annas, Suwardi and Purtanti, Selfi Dian (2014) Additive main effect and multiplicative interaction on fixed Model of two factors design. In: International Conference On Research, Implementation And Education Of Mathematics And Sciences 2014, Yogyakarta, Indonesia, 18 - 20 Mei 2014.

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Abstract

Multilocation trials is usually conducted to study the factors effect of genotype and environment including their interaction in order to increase the yield of crops. The environment can be considered as giving different doses of fertilizers to each genotype. The present study was aimed to investigate both additive main and interaction effects on fixed model of two factors design. As the application, the study used a dataset of the yield of paddy in four varieties (IR8, IR5, C4-63, and PETA) given nitrogen fertilizer with six different doses (N0, N1, N2, N3, N4, and N5). The first step of analysis was estimating variance component using fixed model ANOVA (Analysis of Variance). Then, AMMI (Additive Main Effects and Multiplicative Interaction) model was applied which is the combination of additive main effect and the principal component analysis (PCA) of interaction effect. The result of study shows that the variance component has positive value for all factors of treatment. AMMI analysis produces AMMI-2 as the best model at the significant level of α = 0.05. The biplot of AMMI-2 obtained that IR5 can adapt to nitrogen fertilizer in any level. Spesific interaction occurs in variety C4-63 in nitrogen level, variety IR8 in nitrogen level, and variety PETA in nitrogen level. Based on the result of study, it can be concluded that the use of AMMI fixed model in two factors design can effectively explain the effect and the pattern of interaction structure among treatment factor level

Item Type: Conference or Workshop Item (Paper)
Additional Information: Faculty of Mathematics and Natural Sciences Yogyakarta State University
Uncontrolled Keywords: AMMI, ANOVA, Genotype, Multilocation, PCA
Subjects: KARYA ILMIAH DOSEN
Universitas Negeri Makassar > KARYA ILMIAH DOSEN
Divisions: KOLEKSI KARYA ILMIAH UPT PERPUSTAKAAN UNM MENURUT FAKULTAS > KARYA ILMIAH DOSEN
KARYA ILMIAH DOSEN
Depositing User: S.T., M.T. Faruq Ratuhaji
Date Deposited: 31 Dec 2020 01:40
Last Modified: 31 Aug 2021 16:24
URI: http://eprints.unm.ac.id/id/eprint/18865

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