Effect of Biofertilizers and Biostimulant on Yield Parameters of Guava (Psidium guajava L.) Cv. Allahabad Safeda Under Meadow Planting System

The study was carried out at the Fruit Research Station, Sangareddy, Sri Konda Laxman Telangana State Horticultural University, Hyderabad during the period of June 2019 to January 2020 (Mrig bahar crop) to find out the effect of biofertilizers and biostimulant on yield parameters of guava (Psidium guajava L.) cv. ‘Allahabad Safeda’ under meadow planting system. The results revealed that interaction between biofertilizers and biostimulant significantly influenced yield parameters. Among the twelve treatment combinations, application of B₃S₃-Azotobacter @ 50 g tree^-1 + phosphate solubilizing bacteria @ 50 g tree^-1 + seaweed extract @ 75 g tree^-1 recorded maximum fruit set (56.68%), fruit retention (54.95%), fruit length (7.12 cm), fruit diameter (7.14 cm), fruit weight (180.69 g) and yield (4.51 kg tree^-1 and 22.56 t ha^-1).