Adaptive potential of spring soft wheat varieties within the program of the Kazakhstan-Siberian network

The international program of the Kazakhstan-Siberian Network for the improvement of spring wheat (KASIB) under the aegis of CIMMYT makes it possible to assess the adaptive potential of the varieties of spring soft wheat at study and to select genotypes with high and stable yield. The assessment of the main adaptability indicators of 280 varieties of the nurseries KASIB 6-17 grown in two reproductions in 5 Russian points of the KASIB Network in 2005-2016 is presented. It is noted that the points located in Barnaul and Chelyabinsk were characterized by most favorable climatic conditions. Less favorable growing conditions and lower yield were observed Kurgan and Omsk (Siberian Research Institute of Agriculture, Omsk State Agrarian University) due to a lack of moisture, while in wet years due to an intensive development of fungal diseases. The analysis of the ecological plasticity of yield revealed the following varieties with a high average yielding capacity and characterized by high responsiveness to the improvement of growing conditions: Fiton 43 (Science and Production Company “Fiton”), Altayskaya 105, Lutescens 665/1 (Altai Research Institute of Agriculture), OK-1, Lutescens 363/96-4 (Kurgan Research Institute of Agriculture), Lutescens 120-03 (Omsk State Agrarian University), Novosibirskaya 18, Lutescens 1147, Sibirskaya 17 (Siberian Research Institute of Plant Cultivation and Breeding), Line 210/99-10, Lutescens 307/97-23 (Siberian Research Institute of Agriculture), Chelyaba yubileynaya (Chelyabinsk Research Institute of Agriculture)...