Ecological test of spring soft wheat in conditions of Akmola region
The research aims to study varieties of spring soft wheat different ecological and geographical origin on vegetation period and content of protein and gluten. Research is conducted based on A.I. Barayev Research and Production Centre for Grain Farming (Kazakhstan). There are the results of ecological crop variety testing conducted under contrast weather conditions of growth season 2018-2019. It is examined 20 varieties from Russia and Kazakhstan. Abundant rainfall during the 2018 growth period had a positive impact on yield, but higher air temperature and low rainfall in 2019 created conditions for faster ripening and great content of protein and gluten in grain. In 2018 the vegetation period of varieties tested was on average 97 days, in 2019 - 91 day. When it comes to early ripeness, the varieties are Oral, Shortandinskaya 2012, Тәуелсiздік 20, Omskaya 36. The yield in the seed field in 2018 was on average 31.7 dt/ha. It was observed a significant increase in productivity on varieties compared to the standard: Тәуелсiздік 20 (+ 7.1 dt/ha), Shortandinskaya 2012 (+ 3.2 dt/ha), Shortandinskaya 2007 (+ 6.2 dt/ha), Rosinka 3 (+ 7.5 dt/ha). The yield in 2019 was on average 22.8 dt/ha. The varieties exceeded the standard: Shortandinskaya 2014 (+ 0.6 dt/ha), Omskaya 36 (+ 0.2 dt/ha), Shortandinskaya 2007 (+ 2.1 dt/ha), Omskaya 35 (+ 0.8 dt/ha), Rosinka 3 (+ 2.1 dt/ha), Tobolskaya (+ 1.6 dt/ha). According to the technical analysis on protein content in 2018, the following varieties stood out: Boevchanka (13.42%), Uralsibirskaya (13.42%), Asyl Sapa (13.02%). Protein content in 2019 was between 14.28% and 16.80%, gluten from 30.3% to 37.6%.