The flowering characteristics, fruit set and fruit drop had a positive effect with the various doses of nitrogen and boron. The boron applied @ 50g/plant took minimum days for flowering ( days), maximum fruit set ( %), minimum fruit drop ( %) and days for harvesting ( days). The flowering to harvesting is decreased by 17 days with application of boron @ 50g/plant. | Production potential of guava as influenced by nitrogen and boron levels as well as macro and micro nutrient content in leaf