GROWTH, YIELD AND ADAPTABILITY ASSESSMENT OF SPRING ONION (Allium Fistulosum) IN SYLHET REGION
Md. Mahfuzur Rob1*, Tahsin Nusrat Era1, Md. Mahfujul Haque Pappu1, Jannatul Ferdousi1, Dwipok Deb Nath1 and Debu Kumar Bhattacharjya2
Journal of the Sylhet Agricultural University, Volume 10, Issue 1, 2023, Pages 23-29
Abstract:
Three genotypes of spring onion (Allium fistulosum) were evaluated across a range of growth and quality criteria to ascertain their relative yield, quality performance and adaptability in Sylhet region. Results revealed that the tallest plant was BARI Pata Piyaz-1 with 56.78 cm, followed by JAF-2 (46.1 cm) and minimum value was recorded for JAF-1 (42.1 cm). The number of leaves per plant was the highest in JAF-2 (16.32) followed by BARI pata piaz-1 (11.56) and JAF-1 (7.32). The BARI pata piaz-1 had the highest pseudo stem diameter (1.43 cm), weight (5.81 g/pseudo stem), and dry matter (DW) content (13.19%), whereas the JAF-1 had 1.09, 4.32cm, 13.12%, and the JAF-2 had 1.11, 3.88 cm, 11.06%, respectively. Notably, JAF-2 produced the highest yield with a value of 11.34 ton/ha, which was considerably greater than BARI Pata Piyaz-1 (10.71 ton/ha) and JAF-1 (7.11 ton/ha). In terms of quality metrics, BARI Pata Piyaz-1 and JAF-2 had the identical total phenolic content ranging from 3.23-3.34 mg GAE/g DW, while JAF-1 had significantly less phenolics at 2.93 mg GAE/g DW. Significant amounts of flavonoids were detected in each genotype, ranging from 3.11 to 3.19 mg QE/g DW. The Vitamin C content of BARI Pata Piyaz-1 was significantly higher than that of other two genotypes. The current findings indicated that spring onion more specifically JAF-2 has successfully adapted in the Sylhet region with remarkable yield indicating tremendous scope in popularize this spice in future.
Keywords:
Spring onion, Growth, Yield, Quality parameters, Adaptation
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Md. Mahfuzur Rob1*, Tahsin Nusrat Era1, Md. Mahfujul Haque Pappu1, Jannatul Ferdousi1, Dwipok Deb Nath1 and Debu Kumar Bhattacharjya2. 2023. GROWTH, YIELD AND ADAPTABILITY ASSESSMENT OF SPRING ONION (Allium Fistulosum) IN SYLHET REGION, Journal of the Sylhet Agricultural University 10(1): 23-29.
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