Volume 4, Number 14 (3-2015)                   JCPP 2015, 4(14): 123-132 | Back to browse issues page


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Kalantar Ahmadi S A, Ebadi A, Siadat S A. Canola Cultivars' Response to Sowing Date in Northern Khouzestan Conditions. JCPP. 2015; 4 (14) :123-132
URL: http://jcpp.iut.ac.ir/article-1-2274-en.html

Researcher Safiabad Agricultural Research Center of Dezful and PhD Student of University of Mohaghegh Ardabili, Ardabil, Iran. , Kalantar.ahmadi@gmail.com
Abstract:   (1084 Views)
This experiment was conducted in 2005-2006 at Safiabad Agricultural Research Center to assess the effects of sowing date on the yield of canola genotypes. The design was a split plot in a completely randomized block with 3 replications. Main plots consisted of 3 levels of sowing date (November 1st , November 16th and December 1st) and subplots included 7 canola cultivars (Hyola60, Hyola308, Hyola330, Hyola401, Hyola420, RGS003 and Option500). Grain yield was decreased by 5.72% and 21.27% in the second and third sowing dates compared with the first one, respectively. The results of interaction between sowing date and cultivars showed that the highest grain yield (5055.09 Kg/ha) at the first sowing date (Nov 1st) belonged to Hyola420 cultivar and the lowest grain yield (2360.68 Kg/ha) at the third sowing date (Dec 1st) to the Option500 cultivar. The number of pods per plant was decreased by 20.61% and 36.02% in the second and the third sowing dates compared with the first one, respectively. The highest (28.93) number of grains per pod belonged to Hyola401 cultivar sown on December 1st and the lowest (15.69) ) number of grains per pod belonged to Hyola60 cultivar sown on December 1st. Considering the results of the experiment, the sowing date of Nov 1st for Hyola420 cultivar, and Nov 1st and Nov 16th for other cultivars could be appropriate.
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Type of Study: Research | Subject: General

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