Influence of pre-treatments, growth promoters and application of sulphur on growth and bulb yield of garlic (Allium sativum L.)

The present study entitled “Impact of pre-treatment of garlic (Allium sativum L.) cloves with growth promoters and application of sulphur on growth, bulb yield and quality” was undertaken during 2021-22 at Herbal Garden, College of Agriculture, Raichur. The experiment was laid out in factorial randomized block design with three replications. The factors include pre-treatment of cloves (G₁: No pre-treatment, G₂: IBA @ 100 ppm for 6 hours and G₃: GA₃ @ 100 ppm for 6 hours) and sulphur application (S1: No sulphur application, S2: Soil application with sulphur @ 2ml, S3: Soil application with sulphur @ 4ml and S4: Foliar application of sulphur @ 2ml). The results revealed that pre-treatment of cloves with GA₃ @ 100 ppm along with foliar application of sulphur @ 2ml (G₃S₄) recorded maximum plant height (61.49cm), number of leaves per plant (7.71), leaf area index (0.72), dry matter accumulation per plant (6.92 g) at the time of harvest with increased fresh weight of bulbs (25.58 g), number of cloves per bulb (15.67), weight of 10 cloves (14.69), yield per plot (4.53 kg) and yield per hectare (9.92 t) whereas, minimum of these parameters were recorded with untreated plots (G₁S₁ i.e. no pre-treatment and no sulphur application).