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Paper Information

Journal:   PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)   spring 2018 , Volume 10 , Number 32 ; Page(s) 13 To 25.
 
Paper: 

Effect of planting pattern on some growth traits, seed yield and oil yield of spring rapeseed cultivars in Ardabil region

 
 
Author(s):  Hamzehpour Gh.r., TOBEH A., SHEIKHZADEH P.
 
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Abstract: 
This experiment was conducted as factorial base on randomized complete blocks design with three replications at Agriculture and Natural Resources Research Station, Samian, Ardabil in 2015. The first factor included three canola cultivars (Hyola 308, Hyola 401 and R. G. S 003), second factor was three row distances (20, 30 and 40 cm) and the third factor comprised of plant distances on row (5 and 10 cm). Results showed that the effect of cultivar was significant on traits of growth and reproductive periods, total growth period, and the number of pods per plant. Effect of cultivar and row spacing interaction was significant on seed oil, thousand seeds weight and seed yield. Also, interaction between cultivar, row spacing, and plant distances was significant on all traits except for oil yield. Spring rapeseed, Hyola 308 cultivar showed the highest seed yield (2. 55 t ha-1), the highest pod per plant (338. 89), and seed per plant (9536) in combination treatment of 20 cm row spacing and plant distance of 5 cm. Also, the highest oil yield (899. 05 kg ha-1) was achieved by Hyola 308 planted in 20 and 30 cm row spacing. Having total period of vegetative and reproductive growth of 103 days, Hyola 308 cultivar was determined as the earliest growing cultivar. Generally, results showed that the Hyola 308, as early growing and high yielding cultivar, gained the highest oil and seed yield in combination treatment of plant spacing of 5 × 20 cm for this region.
 
Keyword(s): Growth period,row spacing,planting density,Hyola 308
 
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