A comparison of winter wheat cultivar rankings in groups of Polish locations

Derejko, Adriana; Studnicki, Marcin; Mądry, W.; Gacek, E.

doi:10.1556/0806.44.2016.029

Cited by 6 publications

(5 citation statements)

References 25 publications

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“…There was no cultivar with a stable and relatively high white sugar yield in all or in the vast majority of considered environments (trail locations) at the same time, i.e., a widely adapted cultivar. Sometimes, one or several cultivars with a wide adaptation to a large number of environments could be indicated, which is true for winter wheat cultivars in temperate climates [21,22]. However, for many agricultural plants, including the sugar beet, we could not identify cultivars with a wide adaptation [23,24].…”

Section: Discussionmentioning

confidence: 99%

Assessment of Stability and Adaptation Patterns of White Sugar Yield from Sugar Beet Cultivars in Temperate Climate Environments

Studnicki

Lenartowicz²,

Noras

et al. 2019

Agronomy

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The yield and yield quality of sugar from the sugar beet (Beta vulgaris L.) and are determined by genotype, environment and crop management. This study was aimed at analyzing the stability of white sugar yield and the adaptation of cultivars based on 36 modern sugar beet cultivars under different environmental conditions. The compatibility of sugar beet cultivars’ rankings between the three growing seasons and between the 11 examined locations was assessed. In addition, an attempt was made to group environments to create mega-environments. From among the 11 examined locations, four mega-environments were distinguished on the basis of the compatibility of the white sugar yield rankings. The assessment of the adaptation of cultivars and the determination of mega-environments was carried out using GGE (genotype main effects plus genotype environment interaction effects) biplots and confirmed by the Spearman rank correlation test performed for cultivars between locations. The cultivars studied were characterized by a high stability of white sugar yield in the considered growing seasons. The high compliance of the sugar yield rankings between the years contributes to a more effective recommendation of cultivars.

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Section: Discussionmentioning

confidence: 99%

Assessment of Stability and Adaptation Patterns of White Sugar Yield from Sugar Beet Cultivars in Temperate Climate Environments

Studnicki

Lenartowicz²,

Noras

et al. 2019

Agronomy

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“…The wheat growing environment has a significant impact on the yield. The production of wheat requires high-quality soil; thus, the best available soil should be selected when growing wheat [36][37][38][39][40]. Farmers who do not have access to valuable soils may consider growing other agricultural crops to increase production efficiency.…”

Section: Discussionmentioning

confidence: 99%

The Analysis of Wheat Yield Variability Based on Experimental Data from 2008–2018 to Understand the Yield Gap

et al. 2021

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Among European countries, Poland has the largest gap in the grain yield of winter wheat, and thus the greatest potential to reduce this yield gap. This paper aims to recognize the main reasons for winter wheat yield variability and shed the light on possible reasons for this gap. We used long-term datasets (2008–2018) from individual commercial farms obtained by the Laboratory of Economics of Seed and Plant Breeding of Plant Breeding and Acclimatization Institute (IHAR)-National Research Institute (Poland) and the experimental fields with high, close to potential yield, in the Polish Post-Registration Variety Testing System in multi-environmental trials. We took into account environment, management and genetic variables. Environment was considered through soil class representing soil fertility. For the crop management, the rates of mineral fertilization, the use of pesticides and the type of pre-crop were considered. Genotype was represented by the independent variable year of cultivar registration or year of starting its cultivation in Poland. The analysis was performed using the CART (Classification and Regression Trees). The winter wheat yield variability was mostly dependent on the amount of nitrogen fertilization applied, soil quality, and type of pre-crop. Genetic variable was also important, which means that plant breeding has successfully increased genetic yield potential especially during the last several years. In general, changes to management practices are needed to lower the variability of winter wheat yield and possibly to close the yield gap in Poland.

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“…Additionally, good compatibility of cultivars' rankings between regions suggests that their number can be reduced for triticale cultivars assessment. This will reduce the cost of maintaining a large number of test locations [25,26].…”

Section: Discussionmentioning

confidence: 99%

Adaptive Grain Yield Patterns of Triticale (×Triticosecale Wittmack) Cultivars in Six Regions of Poland

et al. 2020

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The recommendation of cultivars for a larger number of locations relies on similar agricultural environment or similar crop yield obtained in these locations. There are many studies on the impact of environmental conditions on the yield of cultivars of agricultural crops and recommendation for their cultivation. However, there is little research on triticale in comparison to other cereals. We presented the influence of the cultivar, location nested in region, year, and their interactions on triticale grain yield separately for two levels of crop management intensity. In this work, we checked compatibility in the rankings of cultivars between six regions and compatibility in the rankings of cultivars between locations belonging to the same region. The results indicated a large variation in the rankings of cultivars between locations in the regions, i.e., the ranking of cultivars in locations belonging to the same region was different. We observed low compatibility in rankings between locations for both crop management intensities. The low compatibility of cultivar rankings in trial locations also translates into low precision when determining regions. This means that the process of recommending cultivars to environments should be constantly checked and improved. In addition, using GGE biplot and measure of yield superiority (Pi) we presented an adaptive response of 12 cultivars in six regions at two levels of crop management intensity and their stability during five growing seasons.

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A comparison of winter wheat cultivar rankings in groups of Polish locations

Cited by 6 publications

References 25 publications

Assessment of Stability and Adaptation Patterns of White Sugar Yield from Sugar Beet Cultivars in Temperate Climate Environments

Assessment of Stability and Adaptation Patterns of White Sugar Yield from Sugar Beet Cultivars in Temperate Climate Environments

The Analysis of Wheat Yield Variability Based on Experimental Data from 2008–2018 to Understand the Yield Gap

Adaptive Grain Yield Patterns of Triticale (×Triticosecale Wittmack) Cultivars in Six Regions of Poland

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