Citrus Newbie...what is this?
by
AMamani
+12
There is a young citrus tree behind my house (not sure if it is lemon or orange or something else) and a lot of the leaves have this white sticky stuff on the backs of the leaves. What is it? Should I do something about it? The tree was planted by my now deceased father-in-law and my husband really wants it to live and do well, but I've never grown citrus!
13 answers
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Ayudar a responder a esta pregunta ...Aqui en España se llama cochinilla algodonosa y es dificil de quitar, hay que podar, quemar lo podado y utilizar un producto específico
Maripaz Gallardo Moreno
on Oct 09, 2014
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Gracias Maripaz. Sabes que producto usan?
AMamani
on Oct 09, 2014
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English please
Judy Ford
on Oct 09, 2014
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It does look like a type of scale. Frequently natural predators, including some types of beetles and parasitic wasps, will take care of a scale outbreak. If a majority of the leaves on your tree exhibit this, however, you may need to use a horticultural oil. Make sure you follow label directions, as some types of oil should not be applied when outside temperatures are high. Going forward, your citrus tree needs to be on a regular fertilization program (three to four applications per year) of a product formulated specifically for citrus.
Douglas Hunt
on Oct 09, 2014
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Judy Ford, according to Google Translate: "Here in Spain it is called cottony cushion scale and is difficult to remove, must be pruned, trimmed and burn it using a specific product." AMamani then asked if she knew what the product is.
Wendy
on Oct 09, 2014
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I use an insecticidal soap on my lime tree. Just google it and you'll find lots of recipe options for making it yourself
Annie P
on Oct 09, 2014
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As a frutal tree you need organic or natural process, first with disposable gloves Wash the tree with lemon, Apple cider vinegar, water and a little of glicerine soap. Then put this mix (without the soap) in a bottle and re apply Every week in a month it shouldn't appear again, always see surrounding plants.
Maria Sandoval
on Oct 09, 2014
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You can wash the leaves and scrub them with a toothbrush. To avoid more to come, you can spray a solution of smoked cigar leaves (the filling of cigars - you buy them smoked, in rolls, to make home-made cigars): you boil 1 liter of water with 20-30 grams of the cigar leaves for a minute; leave it to cool and spray it. It's a natural pesticide.
Ana Paula Cortez
on Oct 09, 2014
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I have this; it is called Citrus Leafminer and is very destructive to citrus trees; the new growth is attacked by this bug and is best not to trim away the damaged growth until fall, when the bug goes dormant. You can buy a product from ISCA technologies (www.iscatech.com) that will gather the bugs but there is no cure.
Cathy Williams
on Oct 09, 2014
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You can try one mixture of one cup of raw milk+three cups of plain water and spray it on the affected citrus tree weekly.Hope this will help. Ashok Khare Pune , India
Ashok Anant Khare
on Oct 09, 2014
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Thank you to everyone for the suggestions!
AMamani
on Oct 10, 2014
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It appears that you have citrus mealy bug (planococcus citri). You can view several pictures including magnifications on Google image by searching for planococcus citri. Here in Florida mealy bug is usually controlled without chemicals by natural predators (lady bugs, etc.) If chemical control is necessary, you can get information from: edis.ifas.ufl.edu/cg004. As a Florida Master Gardener, we recommend using chemicals as a last resort because chemicals can also kill the good insects.
Lindy Hopp
on Oct 12, 2014
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It is mealy bug, mix some dish washing liqui in water and spray 2-3 times a week for about a monthall over including roots
Cinzanno
on Oct 12, 2014
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