Effect of Foliar Spray of Micronutrients on Physical Parameters of Guava (Psidium guajava L.) cv. Allahabad Safeda

A field experiment was conducted in Department of Horticulture, Babasaheb Bhimrao Ambedkar University, Lucknow, India, during 2019-20 on 12-year-old guava plants to studies on the effect of foliar spray of micronutrient on the physical parameter of guava (Psidium guajava L.) cv. Allahabad Safeda. Results revealed that fruit set (68.80%), fruit retention (65.80%), fruit length (7.10 cm), fruit width (6.75 cm), fruit weight (137.7 g), fruit volume (148.7cm3), specific gravity (0.93) and fruit yield per plant (42.30 kg plant-1) were obtained maximum with the foliar spray of borax (0.4%), closely followed by zinc sulphate (0.4%).