Scholars Research Library

Scholars Research Library

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Annals of Biological Research


Influences of seeding rate on the agronomical traits of rapeseed cultivar (Brassica napus L.)

Author(s): M. E. Etemadi, A. A. Mousavi, M. Sam Daliri and Sepideh Najafi

A field experiment was conducted to investigate the influences of seeding rate on the agronomical traits of the spring canola (Brassica napus L.), which included three varieties, H308, H401, RGS003, and four seed rate (6, 8, 10, 12kg.ha-1) treatments in growing seasons (2012), in Chaloos research farm of Iran. Analysis of variance showed that, independent of the varieties were not significant pod length, while the other characters, between different cultivars of vegetative characteristics were significantly. The results of main comparisons showed that mean compared to the SNK method, Seed yield of H401 variety was significantly more of H308 and RGS003 varieties. Also, 1000-seed weight in RGS003 Varity (p<0.01) was the lowest of H308, H401 varieties. Plant height in RGS003 Varity was more of H308, H401 varieties. With increasing density (6 kg.ha-1 seed to 12 kg.ha-1) 1000- Seed weight was significantly reduced. Number of second branch under sowing planting (6 kg seed in ha) significantly more than other planting densities.