u/AdProfessional1717

I have a one-year-old lemon tree grown from seed, and for the past ten days some leaves have started to dry out and fall off, with a few white and brownish spots appearing on them. I started fertilizing at the end of March. At first I thought it was salt burn, so I flushed the soil with plenty of water, but I haven’t seen any improvement. Now I’m protecting it from direct sun during the hottest hours and letting the soil dry out a bit. Some of the new leaves still look healthy though. Thank you for any help🙏