CommonLemonTreeDiseases To Watch Out For. Diseases of lemontrees are not necessarily the fault of the gardener, so it’s more productive to be alert for symptoms than it is to feel guilt. But a few cultural care issues can also injure your lemontree. Lemontrees are vulnerable to several diseases. Huanglongbing (citrus greening disease) and the oddly-named citrus stubborn disease are caused by bacteria and produce similar symptoms: blotchy yellow areas on the leaves and misshapen fruit. Citrus stubborn disease is a lemontree infection that resembles citrus greening (HLB). The bacteria Spiroplasma citri causes the infection, which can devastate your lemontree. The most common vector for the bacteria is leafhopper insects. Discover some of the most common Meyer lemontreediseases below.Another Meyer lemontreedisease to look out for is Phytophthora fungus. This fungus causes gummosis which is presented as a gummy presence on the surfaces of the lemontree. When she’s not digging in the dirt, Julie writes about food, education, parenting and gardening. lemons growing on tree and lemontrees with text overlay learn about the commonlemontreediseases. In this comprehensive guide, we’ll explore the most commonlemontreediseases, their symptoms, and the treatments proven to be most effective in modern citrus farming.Overview of 7 CommonLemonTreeDiseases. Citrus Canker (Xanthomonas citri pv. citri). One of the most devastating commonlemontreediseases is citrus canker. This disease is caused by the bacterium Xanthomonas citri. Going back to the 1900s, it was first discovered in Texas and Florida. 3. Sooty Mold: Identify and Control This CommonLemonTreeDisease.5. Anthracnose: Identify and Manage This Leaf Disease in LemonTrees. Anthracnose, a type of lemontree leaf diseases, is commonly identified by dark, sunken spots on foliage and fruit. CommonDiseases of LemonTrees - Gardening Channel. 7 CommonLemonTree Problems & How To Fix Them | Lemontree plants, Lemontree potted, Growing lemontrees. LemonTree With Ripe And Unripe Lemons. In this updated and comprehensive guide you will discover how to identify and combat all the most common pests and diseases that affect lemontrees, with clear and practical explanations adapted to both home gardeners and experienced farmers.