Effect of seedling vernalization on the flowering and seed yield of five cultivars of onion Allium cepa L | ||
| Euphrates Journal of Agriculture Science | ||
| Article 1, Volume 8, Issue 1, March 2016, Pages 13-18 | ||
| Abstract | ||
| The experiment carried out during the season of the years 2014-2015 in a private field in the village of Rashid Almlajawad / Diyala province. Included experience of 10 treatments is an overlap between the vernalizationa at a temperature at 10 ± 2 c º for two weeks and (without vernalization) on seedlings of five cultivars of onion is Mumtazez, Red Nice, Texas Early Grano 502, local white, and local Red. The treatments distributed in accordance with the design of randomized complete blocks Disighn RCBD with three replications and the averages were compared by Duncan's test at the level of 0.05 probability. Results showed superiority vernalization treatment in the overall seed yield and it gave the sum total 691.93 kg.hectar-1 and control is the earlier in the flowers blooming at a rate of 153.27 days from sowing until the flowers blooming. The cultivar local Red was earlier in flowers Blooming during 148.17 days from sowing until the blooming flowers and holds the overall and winning by giving it holds the seeds of 29.26 gm.plant-1 and 1338.88 kg.hectar-1 and the cultivar local White makeup top in the number of flowers.umbel-1 by it's gave 587.82 flowers.umbel-1 and the cultivar Red Nice was the highest flowers Contracting which is 90.24% and the cultivarMumtazez earlier in maturity seeds as seeds matured during 212.5 days from sowing seeds until maturity. And the treatment of vernalization with local Red give a higher seedyield a 1848.1 kgm.hectar-1. | ||
| Keywords | ||
| vernalization; Seed production; Onion | ||
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