What is wrong with my Meyer lemon tree?
Common Meyer Disease TypesViral diseases, like citrus tristeza, may also be deadly to other citrus trees.
Mold growth, like sooty mold, covers the plants leaves, fruit and stems, damaging fruit.
Rot, like foot rot, harms the lemon’s roots.
Fungal infections, like greasy spot, may leave the lemons inedible.
How do you treat lemon tree disease?
Spray citrus trees with insecticide formulated to control whiteflies, mealybugs, and aphids, and be sure to spray both the top and undersides of the leaves. To control and eliminate established Sooty Mold, spray the tree with Liquid Copper Fungicide.
What diseases do lemon trees get?
The most common diseases in these areas are melanose, lemon scab, brown rot, collar rot, sooty blotch, Phytophthora root rots and Armillaria. In these regions lemon trees require regular application of protectant copper sprays in order to keep fruit clean.
How do you get rid of sooty mold on citrus trees?
Remove the sooty mold from your lemon tree after you’ve eliminated the insects. Wipe the parts of the tree you can reach, using a soft cloth saturated with a detergent-free soap-and-water solution. Use a heavy water spray to dislodge the fungus from higher branches.
Are coffee grounds good for Meyer lemon trees?
The best soil pH for growing lemon trees and other citrus is 6.5, according to University of California Riverside Research Facility. If your soil has a higher pH, use mulches that acidify the soil, like pine needles or coffee grounds. Regularly test your soil’s pH to avoid making it too acidic.
How often should I water my Meyer lemon tree?
Water young trees deeply about once a week or as often as needed to keep the soil moist but not soggy. Older trees require less frequent but deeper watering, usually about 3 to 6 inches of water once every two weeks. Use more water during hot or dry periods, and less if rainfall is frequent.
Why are my lemon tree leaves curling under?
Citrus leaves can curl when temperatures are cold or in extreme heat, some insect infestations such as scale, mealy bug, mites or aphids will cause leaves to curl and also over-watering. Other times it is leaf curl disease. Leaf curl overwinters in buds of infected trees.
What do you spray lemon trees with?
For a homemade insecticidal soap, the University of Florida Extension recommends mixing 2 tablespoons of dish soap with 1 gallon of water to control whiteflies, mites, aphids, thrips, mealybugs and soft scale.
What insects do lemon trees attract?
Several common pests Meyer lemons may have include mites, scale insects, whiteflies, aphids and caterpillars. Mites are tiny arachnids that suck liquid from foliage, doing only temporary damage.