@Mr. Grow It hey buddy I have another problem this is a mango from MSNL all thesame treatment as my other one. is This phosphorus def?
No, phosphorus deficiency starts at the bottom of the plant. Are you in soil or coco coir? Can you tell us what the pH and PPM of the runoff are? Also, what light are you using and what is the distance from the top of the plant? Any signs of pests?