Comparison of the canola (Brassica napus L.) cultivars for yield, yield components and grain filling rate under different sowing times
Journal Title: International Journal of Farming and Allied Sciences - Year 2013, Vol 2, Issue 15
Abstract
Canola has industrial applications as well as edible usage. In regard to 15.8 kg oil per capita usage and vast oil importing, cultivation development of oil seeds is a major issue. In order to investigate the effect of sowing time on seed yield and its components as well as determine the best winter canola cultivars to sow in Isfahan province, this experiment was conducted during 2011-2012 farming season. A split plot design in the layout randomized complete block design with three replications was used for this research. Four planting dates 15 October, 22 October, 29 October and 5 November were considered as main factor levels in the main plot. Also, ten canola cultivars were used as sub factor levels and were arranged randomly in the sub plots. Analysis of variance showed the significant effect of sowing time on all measured traits. Also, the cultivar effect was significant on all traits except biological yield. Interaction effects between sowing time and cultivar was significant for 1000- seed weight, harvest index and grain filling rate at 5% probability level while for grain filling duration at 1% . In conclusion, cultivar KR4 and Karaj3 are recommended as the best cultivar to sow in 15 October (normal sowing time) and 22 October (late sowing time), respectively. All to gether, KR4 is the best and superior cultivar to sow in Isfahan province.
Authors and Affiliations
Arezoo Armin, Ahmad Reza Golparvar, Mohammad Reza Naderi
Keywords
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