ECOLOGICAL PLASTICITY OF SPRING OATS IN THE CONDITIONS OF WESTERN SIBERIA
https://doi.org/10.26898/0370-8799-2018-3-3
Abstract
The works presents the results of studying 165 specimen of spring oats from the world collection The N.I. Vavilov All-Russian Research Institute of Plant Genetic Resources. The research was conducted in the northern forest-steppe zone of Western Siberia in 2014-2016. The soil on which the research was done can be characterized as leached chernozem, heavy loam by texture and particle size distribution, of medium capacity. The content of humus equals 7.8%, reaction of soil solution is close to neutral, рН is 6.0. In the horizon of 0-40 cm the content of N-NO3 is 35.4mg/kg, P2O5 – 122 mg/kg, K2O – 98 mg/kg. An assessment is given to spring oat specimen by the parameters of ecological plasticity bi and yield stability Si2 . The research was conducted in the conditions characterized in accordance with the index of environmental conditions Ij. The most favourable conditions developed in 2016, when the environment index Ij equaled 109.2. Adverse conditions were identifi ed in 2014, when Ij equaled -46.25, and in 2015, when Ij equaled -62.99. By the results of the dispersion analysis the dominating infl uence of environmental conditions on the yield of spring oat specimen is established at 85.3%, the share of genotype infl uence is 2.6%. Eight specimen of spring oats proved to exceed Creole standard variety by yield with the trait variability being from 29.3% to 87.1%. Sources for creation of intensive type varieties, with high responsiveness to favorable conditions for growth and development are identifi ed: IL 86-1158 (to 14316, the USA), Jumbo (to 14702, Germany), Hamilton (to 14761, the USA), Talisman (to 14785, Russia), Omikho (to 14827, Russia), OA 269 (to 14992, Canada), Stayer (to 15181, Russia), Eclipse (to 15187, Russia). High-yielding genotypes which react to environmental conditions to a medium degree (bi is nearing a unit), and have high yield stability (Si2 is nearing zero) are defi ned, namely Express (to 14505, Russia), bi = 1.04, Si2 = 0.053, Yubilyar (to 14723, Belarus), bi = 0.92, Si2 = 0.070, C.I. 7321 (to 14737, the USA), bi = 1.09, Si2 = 0.076, Vallntin (to 15189, Slovakia), bi = 1.13, Si2 = 0.050, CDC Bell (to 14805, Canada), bi = 0.62, Si2 = 0.0065.
About the Authors
M. A. Kozyrenko
Kemerovo Research Institute of Agriculture – Branch of the Siberian Federal Scientific Center of Agro-BioTechnologies of the Russian Academy of Sciences
Russian Federation
Russian Federation
Research Associate,
Novostroika, Kemerovo region, 650510
V. N. Pakul
Kemerovo Research Institute of Agriculture – Branch of the Siberian Federal Scientific Center of Agro-BioTechnologies of the Russian Academy of Sciences
Russian Federation
Russian Federation
Doctor of Science in Agriculture, Deputy Director,
Novostroika, Kemerovo region, 650510
D. E. Androsov
Kemerovo Research Institute of Agriculture – Branch of the Siberian Federal Scientific Center of Agro-BioTechnologies of the Russian Academy of Sciences
Russian Federation
Russian Federation
Research Associate,
Novostroika, Kemerovo region, 650510
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Review
For citations:
Kozyrenko M.A., Pakul V.N., Androsov D.E. ECOLOGICAL PLASTICITY OF SPRING OATS IN THE CONDITIONS OF WESTERN SIBERIA. Siberian Herald of Agricultural Science. 2018;48(3):21-27. (In Russ.) https://doi.org/10.26898/0370-8799-2018-3-3
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