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Tabassum, Rehenuma
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Agriculture, Biological Sciences & Forestry

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Journal : Journal of Tropical Crop Science

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Screening of Onion (Allium cepa L.) Genotypes for Acid Tolerance Based on Morpho-physiological and Yield Associated Traits Sarker, Sajib; Islam, A.F.M. Saiful; Maleque, Md. Abdul; Tabassum, Rehenuma; Monshi, Fakhrul Islam
Journal of Tropical Crop Science Vol. 9 No. 02 (2022): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.9.02.87-95

Abstract

Onion is one of the most valuable vegetable crops grown all over the world, but its production is severely affected by abiotic stresses like drought, waterlogging, and the acidic nature of the soil. An experiment was conducted to study the morphological and yield contributing characters of four onion genotypes (Indian Onion-1, Indian Onion-2, Indian Onion-3, and Local onion) in the acidic soil condition at Sylhet region, Bangladesh. The experiment was laid out in a randomized complete block design with three replications. Results showed that four genotypes of onion differed significantly for all the morphological and yield characters. The total yield was positively correlated with plant height, bulb fresh weight, bulb diameter, bulb length, leaf sheath fresh weight, leaf sheath dry weight, root fresh and dry weight. Considering yield and yield attributing traits, Indian Onion-2 performed better in acidic soil and had the highest in bulb fresh weight (72.60 g), total yield (1.78 t.ha-1), and moisture content, followed by Indian Onion-3. Therefore, Indian Onion-2 can be selected as the best genotype for acidic soil in the Sylhet region, Bangladesh.
Evaluation of Rapeseed-mustard Genotypes in Different Sowing Regimes and Their Genetic Variabilities Islam, Md. Habibul; Salim, Muhammad; Hasan, Ahmed Khairul; Tabassum, Rehenuma; Ousro, Farhana Khatun; Hosen, Ishak; Dina, Mst Maiful Akter; Monshi, Fakhrul Islam
Journal of Tropical Crop Science Vol. 9 No. 03 (2022): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.9.03.199-213

Abstract

Rapeseed-mustard is an important oilseed species with high nutritional and economic values; it’s popularity increases due to its diverse uses. Ten genotypes of rapeseed-mustard and two sowing dates were evaluated in a split plot design with three replications. Our study demonstrated that sowing dates and genotypes greatly influenced the growth parameters, yield, and it contributing characters. BARI sarisha-16 had the highest yield (1613 kg.ha-1) whereas Binasarisha-9 yielded the lowest yield (840 kg.ha-1). All the yield contributing characters was superior in the earlier (10 November, S1) sowing date than the 24 November (S2), demonstrated by the highest grain yield (1120 kg.ha-1) which was 10 % higher than the seed sown on 24th November (S2) (1025 kg.ha-1), and better higher vegetative growth. These results affirmed that the yield contributing traits resulted the higher seed yield. In most of the studied characters, the higher phenotypic variances were observed than that of its genotypic variances. The significant positive correlation with grain yield were found in plant height, number of primary branches/plants, number of siliqua/plants, siliquae length, number of seed per siliquae, days of 50% flowering to maturity and 1000 seed weight. Therefore, based on the yield and the related traits, BARI sarisha-16 can be used for further utilization.
Co-Authors Dina, Mst Maiful Akter Hasan, Ahmed Khairul Hosen, Ishak Islam, A.F.M. Saiful Islam, Md. Habibul Maleque, Md. Abdul Monshi, Fakhrul Islam Ousro, Farhana Khatun Salim, Muhammad Sarker, Sajib