Effect of foliar application of micronutrients and plant growth regulators on yield and physical characteristics of guava (Psidium guajava L.) cv. Allahabad Safeda

A field experiment was conducted during 2016 at Horticulture Research Farm-1, BBAU, Lucknow on 18- year- old guava plants, to studies the Effect of foliar application of micronutrients and plant growth regulators on yield and physical characteristics of guava (Psidium guajava L.) cv. “Allahabad Safeda” from the present study it can be concluded that the Borax@0.4%+GA3@50ppm followed by Borax @0.4% significantly increased the fruit set, fruit retention, fruit size, fruit length, fruit width, fruit yield, volume and specific gravity.