Abstract
Evaluation of winter wheat cultivars has been carried out in relation to their crop capacity, ecological stability, and plasticity under conditions of the light grey forest soils of the Nizhny Novgorod oblast. In 2012–2016, the crop capacity of the cultivars included into the study was 53.0 centner/hectare on average (V = 23.3%) varying from 16.3 to 89.2 centner/ha; the year-to-year and cultivar-to-cultivar difference reached 51.7 and 12.4 centner/ha, respectively. The crop productivity was influenced mainly by weather conditions (73%), whereas the cultivar contribution made only 9%. The maximum stability and plasticity were observed for the soft winter wheat cv. Nemchinovskaya 57 bred by the Nemchinovka Federal Research Center. The cultivar demonstrated a low variation coefficient (33%) and the highest homeostaticity (1.59) and stress resistance (47.4). This cultivar was also determined as the most adaptive one under conditions of the Nizhny Novgorod region.
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Petrov, L.K. Evaluation of the Crop Capacity, Ecological Stability, and Plasticity of Winter Wheat Cultivars Under Conditions of the Nizhny Novgorod Oblast. Russ. Agricult. Sci. 46, 323–327 (2020). https://doi.org/10.3103/S106836742004014X
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DOI: https://doi.org/10.3103/S106836742004014X