EFFECT OF BORON ON GROWTH AND YIELD OF ONION

Abstract

A study was carried out at the Horticulture research field of Hajee Mohammad Danesh Science and Technology University, Dinajpur during 2023-2024 cropping season, aimed to determine the boron dosage for enhancing onion growth and yield. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications and six treatments: B0 (control), B1 (1 kg/ha), B2 (2 kg/ha), B3 (3 kg/ha), B4 (4 kg/ha) and B5 (5 kg/ha). The experiment evaluated boron impact on onion growth and yield. Full doses of boron were applied in the form of boric acid, respectively. Results revealed that boron had significant effect on plant height, leaves per plant, bulb diameter and notably increasing yield of bulb per hectare. The tallest plant (65.43 and 65.50cm at 50 and 60 DAP respectively), obtained from B3 treatment compare to the control, maximum diameter of bulb (10.35 cm at 60 DAP) was found in B3 treatment. The maximum yield 13.66 tons per hectare obtained from B3 treatment. So, 3 kg/ha boron application demonstrated promise in enhancing overall yield performance in onions, suggesting its potential as a growth regulator.