The effect of temperature and moisture regimes on agronomical and physiological traits of Canola cultivars and hybrids
To study the effect of temperature and moisture regimes on agronomical and physiological traits of canola cultivars, an experiment was conducted for two years (2015-17) in Iran (Karaj). In this experiment, the sowing dates were in two levels including timely cultivation (September 27) and delayed cultivation (October 27), and irrigation was in two levels including normal irrigation (control) and irrigation interruption from the podding stage as the main factors, and canola cultivars and hybrids included Kodiak, Traviata, Compass, Diffusion, Mehr2, Elvise and Tassilo were included as the subfactors. The interaction effect of sowing date × irrigation × cultivar on the seed yield, seed oil yield, biological yield, 1000 seed weight and seed number per pod were significant. In delayed sowing date and in the both normal irrigation and late season drought stress conditions, the Tassilo hybrid with a high seed yield, seed oil yield, biological yield, proline and chlorophyll content can be effective in the cultivation of canola in temperate cold regions with dry and semi-arid climates and is recommended for the delayed cultivation conditions together with late season drought stress.
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