Response of Growth and Yield of Garlic cv. PG-18 against Various Plant Growth Regulators and Mulching along with Its Consortium

Abstract

An investigation was carried out to examine the effect of plant growth regulators and mulching along with their combinations on growth and yield attributes of garlic at Agriculture Farm, School of Agricultural Sciences & Technology, RIMT University, Mandi Gobindgarh, Punjab, India during 2019-20 by using cultivar PG-18. The study comprised plant growth regulators (GA3 25 ppm, IAA 40 ppm and NAA 60 ppm) and mulches (Black polythene mulch and Rice straw mulch) along with a control. The experiment was replicated thrice and subjected to statistical analysis by using RBD at 5% of CD. The results revealed that growth parameters i.e. plant height (56.83 cm), number of leaves/pant (8.00) and stem diameter (7.87 mm) were reported utmost with the application of BPM+GA3 @ 25 ppm while longest leaf length (38.59 cm) and diameter of pseudo stem (4.73 cm) were measured with BPM+NAA @ 60 ppm  and SM+NAA @ 60 ppm, respectively. However, maximum number of cloves/bulb (19.33),diameter of cloves (2.93 mm), clove weight (1.73 g), diameter of bulb (4.04 cm), fresh weight (29.96 g),dry weight (10.53 g), yield/plot (480.30 g) and yield/ha (70.21 q ) were resulted by BPM+IAA @ 40 ppm.