Effect of sowing dates on growth and yield of tropical sugar beet
Paper Details
Effect of sowing dates on growth and yield of tropical sugar beet
Abstract
A field experiment was conducted at the research farm of the Department of Agronomy, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, from November 2011 to May 2012 to find out the growth pattern and optimum sowing date of tropical sugar beet in Bangladesh. The tropical sugar beet genotypes were Cauvery, Shubhra and EB0616, and sowing dates were 01 November, 15 November, 01 December and 15 December. The interaction effect of sowing dates and sugar beet genotypes was statistically significant in growth parameters like leave number, leaf area index (LAI), crop growth rate (CGR), root weight per plant, root yield. The highest root yield was obtained from genotypes EB0616 when sown on 01 November (103.5 t/ha) and 15 November (100 t/ha). The genotypes Cauvery and Shubhra gave identical root yield i.e., 90.27 t/ha and 92.86 t/ha, respectively on 01 November sowing. Root yield significantly decreased in all the three genotypes with the advancement of sowing dates from 01 November onwards. For high root yield the optimum sowing date for tropical sugar beet in Bangladesh seems to be in early November.
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