How do you treat curly leaves on a lemon tree?

A copper based clean up spray is the most effective way of controlling leaf curl. Spray in autumn/winter using a copper fungicide and oil until bud burst in spring at 10-14 day intervals. Collect up any infected leaves that fall and burn or dispose of, do not compost as this will spread the disease.

Why does my lemon tree have curly leaves?

Citrus leaves can curl when disease is present, temperatures are either too cold or too hot, or there’s an insect infestation such as scale, mealy bug, mites or aphids. Over or under-watering can also cause citrus tree leaf curl.

Why are the leaves on my Meyer lemon tree curling?

Curling leaves on your lemon tree indicates drought stress due to under watering, excess wind, and low humidity which causes the leaves to curl to conserve moisture. Aphids feed on the sap of young emerging leaves which cause them to curl up.

How do you get rid of leaf curl on fruit trees?

Leaf curl can be controlled by applying sulfur or copper-based fungicides that are labeled for use on peaches and nectarines. Spray the entire tree after 90% of the leaves have dropped in the fall and again in the early spring, just before the buds open.

How do you get rid of leaf curl on lemon trees?

Apply a potassium fertilizer To treat leaf curl that comes with a yellow discoloration in lemon and orange trees, correct the soil pH to 6.0-7.0 and feed the plants with enough fertilizer – preferably one containing more potassium. Citrus trees are among the plants that like coffee grounds.

Can leaf curl kill a fruit tree?

Fruit trees are a challenge because they attract a variety of troublesome diseases and pests and require constant care and pruning. Leaf curl can be a chronic problem on fruit trees, but is not typically fatal.

How to fix curling leaves in citrus trees?

Therefore, a natural way to amend the soil and fix curling leaves in citrus trees is to apply coffee grounds to the soil to improve its pH and also feed the plants with the nitrogen, potassium, and phosphorus they release. Another organic solution instead of a synthetic potassium fertilizer is kelp meal that’s made of kelp and seaweed.

How does oil spray work on a lemon tree?

Homemade and commercial horticultural oil sprays work by smothering the insects feeding on the lemon tree. Oil sprays are generally applied during the dormant stage so as not to damage emerging buds.