International Journal of Horticulture, 2025, Vol.15, No.3, 123-132 http://hortherbpublisher.com/index.php/ijh 127 19.62 cm. At 60 DAT, maximum leaf length with 35.18 cm was found at 0.025% Boron (3- times spray), and the least leaf length with 32.05 cm was found at control. At 75 DAT, 0.025% Boron (1-time spray) was found to have the maximum length of leaf with 45.34 cm, and 0.025% Boron (2- times spray) was found with least length of leaf with 38.51 cm. At 80 DAT, the highest leaf length was found in 0.05% (1-time spray) with 47.35, and the lowest leaf length was found in 0.05% Boron (3- times spray) with 38.37 cm (Table 3). Table 3 Effect of foliar spray of different concentrations of boron on leaf length of cauliflower (Brassica oleracea var. botrytis) at Marin, Sindhuli, Nepal (2024) Treatment Leaf length (cm) 45DAT 60DAT 75 DAT 80 DAT Control 21.27 32.05 38.98 41.47 0.025% Boron (1-time spray) 23.51 34.30 45.34 46.55 0.025% Boron (2- times spray) 20.17 33.87 38.51 39.17 0.025% Boron (3- times spray) 23.11 35.18 41.37 42.66 0.05% Boron (1-time spray) 23.06 33.86 42.66 47.35 0.05% Boron (2- times spray) 19.62 32.24 40.48 43.95 0.05% Boron (3- times spray) 21.04 32.20 43.03 38.37 0.075% Boron (1-time spray) 22.73 34.14 39.85 43.61 0.075% Boron (2- times spray) 23.57 34.28 40.61 42.48 0.075% Boron (3- times spray) 20.41 33.75 40.25 46.02 SEm(±) 1.01 1.22 2.00 3.68 LSD(0.05) 2.99 3.62 5.94 10.94 F test NS NS NS NS CV(%) 7.98 6.29 8.43 14.77 GrandMean 21.85 33.59 41.11 43.16 Note: LSD=Least Significant Difference, SEM=Standard Error of Mean, CV=Coefficient of Variation, DAT=Days After Transplanting, NS=Non-significant Likewise, it was found that leaf breadth was not statistically significantly affected by different concentrations of boron on different days of observations. At 45 DAT, 0.075% Boron (2- times sprays) was found with maximum leaf breadth of 16.78 cm, and 0.025% Boron (2- times sprays) was found with minimum leaf breadth of 13.05 cm. At 60 DAT, maximum leaf breadth was found at 0.025% Boron (3- times sprays) with 33.57 cm and least leaf breadth was found at 0.05% Boron (2- times sprays) with 20.56 cm. At 75 DAT, 0.025% Boron (1-time spray) was found to have a maximum breadth of leaf i.e. 21.05 cm, and Control was found with the least breadth of leaf of 18.08 cm. At 80 DAT, the highest leaf breadth was found in 0.05% (1-time spray) i.e. 22.33 cm, and the lowest leaf breadth was found in 0.025% Boron (2- times sprays) i.e. 18.30 cm. The mean value was found to be 20.68 cm (Table 4). Upon further analyzing the results, the statistical analysis showed that total biomass, curd weight, curd size and curd diameter were statistically significantly affected by different concentrations of boron (Table 5). During the harvesting, the highest biomass of 3.02 kg was found at treatment 0.05% Boron (3- times spray), and the lowest biomass was found at Control with 1.46 kg. The mean value was found to be 2.30 kg. Similarly, the highest curd weight of 1.997 was found at treatment 0.05% Boron (3- times spray) and the lowest curd weight was found at control i.e. 0.71 kg (Table 5). Also, the highest curd size i.e. 66.76 cm was found at treatment 0.075% Boron (2times spray), and the smallest curd size i.e. 44.55 cm was found at control. The mean value was found to be 61.66 cm (Table 5). Also, the highest curd diameter of 23.03 cm was found at treatment 0.075% Boron (2- times spray), and the lowest curd diameter of 14.25 cm was found at control. The mean value was found to be 21.33 cm (Table 5). This shows the effect of different concentrations of Boron on the yield of cauliflower.
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