The school dropout was just a teenager when he conducted his first experiment in grafting, or joining plant parts to create new mango varieties. Now, his 120-year-old mango tree produces 300 varieties of the king of all Indian fruits
Malihabad, India: Every day, Indian octogenarian Kaleem Ullah Khan wakes at dawn, prays, then ambles about a mile to his 120-year-old mango tree, which he has coaxed into producing more than 300 varieties of the beloved fruit over the years.