Effects of planting dates on growth and yield of winter onion
Paper Details
Effects of planting dates on growth and yield of winter onion
Abstract
The experiment was carried out to examine the effect of planting dates on growth and yield of winter onion at USDA-ARS Allium Field Laboratory, Horticulture Farm, Bangladesh Agricultural University, Mymensingh during the period from September, 2015 to April, 2016. This study was conducted to find out the suitable date in which growth and yield of onion will maximum. The experiment consisted of three planting dates: 16th September, 18th October, 17th November 2015 and three onion varieties: BARI Piaj 1, BARI Piaj 4 and Taherpuri. The experiment was laid out in the randomized complete block design with three replications. Different dates of planting showed highly significant influence on the growth and yield of onion. September 16 planting gave the highest yield of bulbs (8.95 t/ha) while November 17 planting gave the lowest yield (6.58 t/ha). Variety also has a significant influence on the yield on onion. The highest yield were obtained from the variety BARI Piaj-4 (8.51 t/ha) and the lowest one from BARI Piaj-1 (6.67 t/ha). The combined effect of planting dates and varieties on the growth and yield of onion was statistically significant. The highest bulb yield (9.51 t/ha) was obtained from the combination of BARI Piaj-4 and September 16 planting, and the lowest yield (5.45 t/ha) was recorded from the combination of BARI Piaj 1 and November 17 planting.
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