![]() ![]() To disease, insect pest, lack of improved varieties, low level use improved varieties of Of onion crops in Ethiopia as compared to other onion producing countries were due Round under rain-fed and irrigated conditions. Onions are the main crops in Ethiopian regular nutrition, cultivated year The combined effect of December 15 x BARI Onion-4 gave the highest yield attributes and yield of onion followed by the combination of November 30 x BARI Onion-4 and December 30 x BARI Onion-4 while the values among the three treatments were statistically similar. The variety BARI Onion-4 performed better in respect of yield and yield attributes but it showed inferior quality. The delayed transplanting on 29 January markedly reduced the yield (6.72 t/ha), total soluble solid content (12.58 0brix) and dry matter content of bulb (11.61%) as well. The highest yield (17.65 t/ha), total soluble solid content (17.02 0brix) and dry matter content of bulb (15.95%) were obtained from December 15 insignificantly followed by December 30 (16.30 t/ha). Afterwards the values of aforesaid parameters were gradually decreased. Bulb diameter, individual bulb weight, yield, total soluble solid content and dry matter content of bulb were increased up to transplanting on December 15. While no incidence of bolting was found under transplanting on 14-29 January. The reduced percent of bolting (2.22%) was observed at December 30. ![]() The maximum values (54.51 cm, 8.53 and 71.28%) of the aforemen-tioned traits were recorded at early transplanting on November 15, respectively. ![]() The plant height, number of leaves/plant and incidence of bolting were decreased with the passage of transplanting time. The results revealed that dates of transplanting, varieties and their combined effects had significant effect on the parameters studied with minor exception. The experiment was laid out in a randomized complete block design (RCBD) of factorial concept with three replications. The varieties used in the study were: BARI Onion-1 and BARI Onion-4. There were six levels of transplanting time such as T1: November 15, T2: November 30, T3: December 15, T4: December 30, T5: January 14 and T6: January 29 under the trial. A field experiment was conducted at Spices Research Sub-Centre (SRSC), Bangladesh Agricul-tural Research Institute (BARI), Faridpur, Bangladesh during the winter season of 2018-2019 to investigate the influences of transplanting times of seedlings and the varieties on the yield and quality of onion bulbs. ![]()
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