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Paper Information

Journal:   IRANIAN JOURNAL OF FIELD CROPS RESEARCH   2009 , Volume 7 , Number 2; Page(s) 563 To 572.
 
Paper: 

YIELD EVALUATION OF COLD TOLERANT SPRING CULTIVARS OF RAPESEED IN FALL AND WINTER SOWING DATES

 
 
Author(s):  GHANIZADEH SH., AZIZI M.
 
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Abstract: 

In order to evaluate physiological and morphological characteristics of 9 cold tolerant spring cultivars of rapeseed at different planting dates from different Brassica species i.e. B. napus, B.rapa, B. juncea an experiment was conducted with three sowing dates (27th September, 27th October, 24th December) in Mashhad. The layout of experiment was randomized complete block design with four replications. Rapeseed cultivars consisted of Hyola401, Hyola330, Option500, RGS003, Sarigol, Zarfam, GoldRush, ParkLand and Bp.18. Traits under investigation were, seed yield, number of branches per plant, number of pods per plant, number of grain per pods and 1000 grain-weight. Results showed that sowing dates and cultivars had a significant effect on all traits. However, sowing date×cultivar interaction had only significant effect on yield, grain number per pod and 1000 grain-weight. First sowing date had the most seed yield for cultivars with the average of 2338.9 kg ha-1. GoldRush and Hyola401 with the average of 3000 kg ha-1 had the highest yield in first sowing date. For the second and third sowing dates, the highest yield was belonged to GoldRush and Hyola330, respectively. Hyola hybrids showed the best adaptation in various experimental conditions. In addition, because of their vigorous growth habit, they showed very good potential for delayed planting.

 
Keyword(s): PLANTING DATE, RAPESEED, B.NAPUS, B.RAPA, B.JUNCEA
 
References: 
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