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} May 05, Correspondingly, why are the leaves on my lemon tree turning yellow and falling off? Very often the yellow leaves or chlorosis on a citrus tree is caused by over watering or a nutrient deficiency. Citrus need regular water especially in the warm months but over watering can leach nutrients from the soil and cause root rot.
Apr 13, Here are a few of the most common reasons your lemon leaves are turning yellow: Seasonal changes. Many lemons today are grafted onto deciduous rootstocks, meaning that they’ll be forced by their hosts to hibernate through the winter. When the rootstock starts to go into winter slowdown, it reduces the flow of nutrients to the leaves, causing them to yellow and treenotch.clubted Reading Time: 3 mins.
Apr 22, A number of pests may also be responsible for lemon tree leaf drop. Asian citrus psyllid produces honeydew, which leads to sooty mold as well as causing damage and leaf drop due to the feeding on of the young citrus leaves.
Oil sprays can control this pest when applied frequently. Citrus leaf miners are also an intrepid pest assailing lemon tree leaves.
Barely noticeable to the naked eye, leaf miners are not easy to control with chemicals since they are burrowed into their dens between leaf Estimated Reading Time: 4 mins.
California red scale (Aonidiella aurantii) and yellow scale (A. citrina) feed on leaves, twigs, branches and fruits, causing leaves to turn partially or completely yellow and drop. Purple scale.