In order to Investigation of selenium effect on Seed yields and its components, oil yield of different genotypes under normal and delayed planting Conditions a field experiment a factorial split-plot experiment was conducted based on randomized complete block design wit
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In order to Investigation of selenium effect on Seed yields and its components, oil yield of different genotypes under normal and delayed planting Conditions a field experiment a factorial split-plot experiment was conducted based on randomized complete block design with three replications at field experimental of seed and plant Improvement Institute, Iran, Karaj, during two growing seasons 2013-2015. The first factor is Planting date at three levels Including planting on 6 October (normal planting), 17 october and 26 october (delayed planting) and selenium including non application selenium (Sprayed with net water) and selenium application as Second factor, on main plots and Six genotypes from canola including Opera ,L72 ,KR1 ,GKH3705 ,GKH0224, Neptune as Third factor, on sub plots. The results showed that the effect of selenium, planting date and varieties on all of the traits was significant. the interaction effect between planting date and genotypes was statistically significant on number of silique per plant, Thousand seed weight, seed yield, erucic acid and seeds glucosinolate. Although the selenium application in all planting dates increases the seed yield but the increase in normal planting condition (15 October) at the Opera was 8/7%, and in delayed planting conditions (5 November) in the line KR1 was 13/4%, So that it became clear the selenium application in delayed planting conditions, improving seed yield from 2536 to 2876 kg per hectare was in line KR1.
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