Year: 2022 | Month: June | Volume 9 | Issue 1
Response of Nitrogen Levels on the Growth, Yield and Quality of High Yielding Potato Varieties in Tista Meander Floodplain Soil of Bangladesh
M.W. Rahman
M.M. Islam
M.Z. Masud
M.M. Rahman
Akbar Hossain
Sagar Maitra
DOI:10.30954/2347-9655.01.2022.7
Abstract:
An experiment was conducted at Breeder Seed Production Centre (BSPC), Debiganj, Panchagarh, during the rabi season of 2015-2016, 2016-2017 and 2017-2018 to study the response of nitrogen levels on the growth, yield, and quality of wide yielding potato varieties in Tista Meander Floodplain Soil of Bangladesh. There were five treatments comprising different levels of nitrogen such as T1 (100% RDN), T2 (125% RDN), T3 (150% RDN), T4 (175% RDN), and T5 (75% RDN). Three newly released potato varieties such as BARI Alu 31 (Sagitta), BARI Alu 41 (5.183), and BARI Alu 45 (Steffi) were used in this experiment. The experiment was laid out in a randomized complete block design (RCBD) with three replications. The tuber yield and yield contributing characters were significantly influenced by the application of nitrogen. The highest tuber yield (47.71 t/ha) was recorded in T3 (150% RDN) treatment, which was statistically identical to T4 (175% RDN) treatments. In the case of variety, there were no significant variations in the tuber yield of potato. On the other hand significant variation was observed in different potato varieties for quality attributes. Highest dry matter content, starch content, lowest number of scab-infected tuber, and senescence% were found in BARI Alu41 (5.183), which was followed by BARI Alu31 (Sagita). Nitrogen application in potato varieties showed an insignificant influence on quality attributes. Combined effect showed insignificant influences between varieties and nitrogen levels. BARI Alu41 (5.183) was found superior over other varieties regarding quality attributes. Treatment T3 (150% RDN) was found superior over other treatments in terms of yield. The storage performance of potato tuber under T3 (150% RDN) treatment was also found to be encouraging having the minimum weight loss. Bari Alu41 (5.183) showed minimum weight loss among three varieties at different days after storing.
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