TY  - JOUR
AU  - Božović, Dragan
AU  - Živanović, Tomislav
AU  - Popović, Vera
AU  - Tatić, Mladen
AU  - Gospavić, Zagorka
AU  - Miloradović, Zoran
AU  - Stanković, Goran
AU  - Dokić, Milorad
PY  - 2018
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4678
AB  - Maize genotypes have varied reactions in different localities, years, treatments or the combination of these factors, due to genotype x year interaction. The objective of this study was to estimate genotype by locality, by year, by treatments (GxLxYxT) interaction using AMMI model, to identify maize genotypes with stable and high yield performance in different growing seasons. The trials with seven maize lines/genotypes were conducted during two years (2010-2011) at the four treatments and two locations: Pancevo and Zemun Polje. The results showed that the influence of: genotype (G), locality (L), treatment (T) and GxL, GxT, YxL, YxT, LXT, GxYxT, GxLxT, YxLxT, GxYxLxT interaction, on maize yield were significant (p lt 0.01). The share of genotype for maize grain yield in the total phenotypic variance was 21.16%, the aggregate share of the years and the locality was 6.10%, the treatment was 18.22%, and the total interaction was 54.52%. The AMMI analysis of the main components of IPCA1 and IPCA2 for the interaction of GxL and GxT shows that the first major component, IPCA1, comprises 100% of the sum of the squared interaction GxL and showed a statistically significant effect. The results also show that the sums of the squares of the first and second major components (PC1 and PC2) constitute 100% of the sum of the squared interaction GxL. The IPCA1 share in the GxT interaction was 47.39% and the IPC2 was 37.94%. IPC1 and IPC2 for this interaction was 85.33%. A high level of IPC2 indicates a significant treatment effect. The results of AMI analysis show that there is a significant difference between the genotype reactions to different ecological conditions for investigated factors. It also provided better insight in specific association between maize grain yield, locality, treatment and meteorological variables. Among the tested maize lines/genotypes, L-5, L-4 and L-6 could be separated as highest yielding genotypes, however L-5 could be recommended for further breeding program and in large-scale seed production due to its stable and high yielding performance.
PB  - Društvo genetičara Srbije, Beograd
T2  - Genetika
T1  - Assessment stability of maize lines yield by gge-biplot analysis
EP  - 770
IS  - 3
SP  - 755
VL  - 50
DO  - 10.2298/GENSR1803755B
ER  - 

@article{
author = "Božović, Dragan and Živanović, Tomislav and Popović, Vera and Tatić, Mladen and Gospavić, Zagorka and Miloradović, Zoran and Stanković, Goran and Dokić, Milorad",
year = "2018",
abstract = "Maize genotypes have varied reactions in different localities, years, treatments or the combination of these factors, due to genotype x year interaction. The objective of this study was to estimate genotype by locality, by year, by treatments (GxLxYxT) interaction using AMMI model, to identify maize genotypes with stable and high yield performance in different growing seasons. The trials with seven maize lines/genotypes were conducted during two years (2010-2011) at the four treatments and two locations: Pancevo and Zemun Polje. The results showed that the influence of: genotype (G), locality (L), treatment (T) and GxL, GxT, YxL, YxT, LXT, GxYxT, GxLxT, YxLxT, GxYxLxT interaction, on maize yield were significant (p lt 0.01). The share of genotype for maize grain yield in the total phenotypic variance was 21.16%, the aggregate share of the years and the locality was 6.10%, the treatment was 18.22%, and the total interaction was 54.52%. The AMMI analysis of the main components of IPCA1 and IPCA2 for the interaction of GxL and GxT shows that the first major component, IPCA1, comprises 100% of the sum of the squared interaction GxL and showed a statistically significant effect. The results also show that the sums of the squares of the first and second major components (PC1 and PC2) constitute 100% of the sum of the squared interaction GxL. The IPCA1 share in the GxT interaction was 47.39% and the IPC2 was 37.94%. IPC1 and IPC2 for this interaction was 85.33%. A high level of IPC2 indicates a significant treatment effect. The results of AMI analysis show that there is a significant difference between the genotype reactions to different ecological conditions for investigated factors. It also provided better insight in specific association between maize grain yield, locality, treatment and meteorological variables. Among the tested maize lines/genotypes, L-5, L-4 and L-6 could be separated as highest yielding genotypes, however L-5 could be recommended for further breeding program and in large-scale seed production due to its stable and high yielding performance.",
publisher = "Društvo genetičara Srbije, Beograd",
journal = "Genetika",
title = "Assessment stability of maize lines yield by gge-biplot analysis",
pages = "770-755",
number = "3",
volume = "50",
doi = "10.2298/GENSR1803755B"
}

Božović, D., Živanović, T., Popović, V., Tatić, M., Gospavić, Z., Miloradović, Z., Stanković, G.,& Dokić, M.. (2018). Assessment stability of maize lines yield by gge-biplot analysis. in Genetika
Društvo genetičara Srbije, Beograd., 50(3), 755-770.
https://doi.org/10.2298/GENSR1803755B

Božović D, Živanović T, Popović V, Tatić M, Gospavić Z, Miloradović Z, Stanković G, Dokić M. Assessment stability of maize lines yield by gge-biplot analysis. in Genetika. 2018;50(3):755-770.
doi:10.2298/GENSR1803755B .

Božović, Dragan, Živanović, Tomislav, Popović, Vera, Tatić, Mladen, Gospavić, Zagorka, Miloradović, Zoran, Stanković, Goran, Dokić, Milorad, "Assessment stability of maize lines yield by gge-biplot analysis" in Genetika, 50, no. 3 (2018):755-770,
https://doi.org/10.2298/GENSR1803755B . .

TY  - JOUR
AU  - Djekić, Ilija
AU  - Dragojlović, Sladjana
AU  - Miloradović, Zoran
AU  - Miljković-Zivanović, Snežana
AU  - Savić, Marija
AU  - Kekić, Vesna
PY  - 2016
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4162
AB  - Purpose - The purpose of this paper is to evaluate benefits and constraints of improving suppliers' quality and food safety systems through second party audits. Design/methodology/approach - A quantitative quality and food safety audit tool was developed to perform second party audits within the confectionery industry supply chain. Nine flourmills and four food packaging producers were included in the audit program. Initial audits were performed at the beginning of the program, with follow-up audits performed after one year. Findings - Level of implementation of food safety and quality requirements were presented as scores. Flourmills improved their scores from 38.6 to 64.4 percent during the period of two years. In contrast, at the end of the second year, food packaging producers showed a lower level of improvement from 34.0 to 45.6 percent. This research confirmed that certification status does not imply high performance of a quality/food safety system. Companies experienced problems in identifying processes, setting performance indicators and objectives and implementing problem solving tools. Quality control has been identified as a dimension where most companies do not document their control methods and have no method in place to verify consistency in their results. Control of risks in terms of Hazard Analysis Critical Control Point implementation was identified as the main food safety constraint. Research limitations/implications - Limitations of the research stein from the use of results from one part of the confectionery supply chain, from auditing a limited number of companies and from excluding the technological level of the audited companies, Practical implications This study provides a valuable insight for quality and/or food safety assurance managers on benefits of using second party audits as a supply chain developing tool. Originality/value - The, findings of this study are worthy, as second party audits are identified as slow but effective tools in directing suppliers toward improvements.
PB  - Emerald Group Publishing Ltd, Bingley
T2  - British Food Journal
T1  - Improving the confectionery industry supply chain through second party audits
EP  - 1066
IS  - 5
SP  - 1041
VL  - 118
DO  - 10.1108/BFJ-11-2015-0448
ER  - 

@article{
author = "Djekić, Ilija and Dragojlović, Sladjana and Miloradović, Zoran and Miljković-Zivanović, Snežana and Savić, Marija and Kekić, Vesna",
year = "2016",
abstract = "Purpose - The purpose of this paper is to evaluate benefits and constraints of improving suppliers' quality and food safety systems through second party audits. Design/methodology/approach - A quantitative quality and food safety audit tool was developed to perform second party audits within the confectionery industry supply chain. Nine flourmills and four food packaging producers were included in the audit program. Initial audits were performed at the beginning of the program, with follow-up audits performed after one year. Findings - Level of implementation of food safety and quality requirements were presented as scores. Flourmills improved their scores from 38.6 to 64.4 percent during the period of two years. In contrast, at the end of the second year, food packaging producers showed a lower level of improvement from 34.0 to 45.6 percent. This research confirmed that certification status does not imply high performance of a quality/food safety system. Companies experienced problems in identifying processes, setting performance indicators and objectives and implementing problem solving tools. Quality control has been identified as a dimension where most companies do not document their control methods and have no method in place to verify consistency in their results. Control of risks in terms of Hazard Analysis Critical Control Point implementation was identified as the main food safety constraint. Research limitations/implications - Limitations of the research stein from the use of results from one part of the confectionery supply chain, from auditing a limited number of companies and from excluding the technological level of the audited companies, Practical implications This study provides a valuable insight for quality and/or food safety assurance managers on benefits of using second party audits as a supply chain developing tool. Originality/value - The, findings of this study are worthy, as second party audits are identified as slow but effective tools in directing suppliers toward improvements.",
publisher = "Emerald Group Publishing Ltd, Bingley",
journal = "British Food Journal",
title = "Improving the confectionery industry supply chain through second party audits",
pages = "1066-1041",
number = "5",
volume = "118",
doi = "10.1108/BFJ-11-2015-0448"
}

Djekić, I., Dragojlović, S., Miloradović, Z., Miljković-Zivanović, S., Savić, M.,& Kekić, V.. (2016). Improving the confectionery industry supply chain through second party audits. in British Food Journal
Emerald Group Publishing Ltd, Bingley., 118(5), 1041-1066.
https://doi.org/10.1108/BFJ-11-2015-0448

Djekić I, Dragojlović S, Miloradović Z, Miljković-Zivanović S, Savić M, Kekić V. Improving the confectionery industry supply chain through second party audits. in British Food Journal. 2016;118(5):1041-1066.
doi:10.1108/BFJ-11-2015-0448 .

Djekić, Ilija, Dragojlović, Sladjana, Miloradović, Zoran, Miljković-Zivanović, Snežana, Savić, Marija, Kekić, Vesna, "Improving the confectionery industry supply chain through second party audits" in British Food Journal, 118, no. 5 (2016):1041-1066,
https://doi.org/10.1108/BFJ-11-2015-0448 . .