white sticky stuff on the leaves of my citrus
snailkiller
11 years ago
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johnmerr
11 years agoRelated Discussions
White egg-like stuff on top of my citrus leaves
Comments (10)Oh man! I am so sorry for the delayed response I have never posted anything and thought that an email would be sent to me whenever someone followed up (I thought I clicked that option!)...anyway, I have tried to take pics of it but the egg-like thingies are so darn small that it only shows like a uniform white thing on them...I also looked it up on line and no pics or descriptions like mine anywhere...I will try to photograph it again today and see if I can come up with something somehow decent. Thanks for trying to help me jean001, I truly appreciate it....See MoreWhat is the sticky stuff on my orchid? What is Honeydew?
Comments (0)Sticky stuff (also known as Honeydew) is often found on the spikes of orchids. Generally, it is a sign of a happy plant. Some people prefer to remove honeydew because they experience some molding if they are kept under very humid conditions, this is entirely at the discretion of the grower. In some cases, spider mites and other stresses can cause a plant to exude a sticky subtance from the leaves. Check thoroughly for spider mites and other critters by tapping the leaves over a piece of white paper, looking for tiny webs and even tinier bugs....See MoreSticky white granules on my citrus leaves
Comments (22)On the subject of treatment, it's not a pretty picture. The most effective treatments are pyrethroids, neonicitoids and imidacloprid for systemic and they're all unacceptable in my book. From UC Davis: Using organic insecticides to reduce psyllid numbers and prevent the spread of the psyllid or the disease is difficult, because persistence of organic insecticides is short and they require contact with the insect body to be effective. The persistence of organic insecticides is only hours to days (not weeks like some of the conventional insecticides), therefore it is necessary to apply organic insecticides frequently (every 10–14 days) and ensure that coverage is thorough. The infestation is in early stages so I cut off all new growth and will continue with weekly neem oil treatments and monitor. As it warms up, the population will likely grow, and if it does, I'm just going to pull the tree and replace it with some non-citrus fruit next spring. I called LA County Ag Commission and they told me it's so widespread now in LA County residential areas they don't even bother even taking your info unless you already have greening disease...See MoreNew Citrus owner with a sticky substance on/falling off of the leaves
Comments (5)Yep, scale. Like John said there are lots of posts that talk about how to get rid of it. What worked for me was manually removing and crushing all scale then washing the leaves with the hose sprayer rubbing each leaf to get the stickiness and gunk/eggs off paying extra attention to the underside of the leaf. Then I sprayed the tree down with a mixture of Horticultural oil, Neem and Protek. I did this weekly and about 4 weeks was how long it took to eradicated though I had a smaller infestation than you so it might take a bit longer. They are small and easy to miss especially on branches and the trunk so be as thorough as you can....See Moresnailkiller
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rhizo_1 (North AL) zone 7