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Whether you have adwarf citrus treeor an integral orchard , there ’s one plague that ’s both coarse and highly destructive : works exfoliation .
Scale infestations not only harm your tree but can lead to several additional problems . These problem might stunt the tree ’s growth , impact production , or even kill the tree in extreme cases .

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The good news show is there ’s a unswerving friend willing and able to combat the industrial plant scale menace .
The bad news is that this ally , neem fossil oil , is most often used on small plants .
But , can it defend something as large as a citrus tree from the weighing machine dirt ball cuss like panoplied scales and soft scales ?

Does Neem Oil Control Citrus Tree Scale?
With the correct app method and a little patience , neem oil can protect your citrous fruit orange tree just as effectively as it protects your garden and houseplants .
Here ’s what you ask to know aboutplant scale insectsand using neem oil against an infestation .
How Scale Insects Harm Citrus Trees?
There are hundreds of scale leaf species , some of which favour your citrus tree to other plants .
These tiny dirt ball have piercing mouthparts that puncture your lemon tree diagram ’s leave and extract sap and plant juice .
Their excrement hold partly digested sap , recognize as honeydew .

This honeydew present the second scourge to your plant .
ant are attractedto honeydew and will actively protect aphid , scale , and other insects from rude marauder in interchange for this solid food source .
This means the scale colony can expand without natural control methods to keep them in check .
you could create a barrier to help keep pismire from reaching the scale , but an established settlement will still ask human treatment .
The honeydew is also a prime breeding dry land for sooty mold .
Sooty mold will broadcast across the folio surface , interpose with photosynthesis . Over clip , this can ensue in dieback and defoliation .
What Neem Oil Does?
in the buff neem rock oil is an extract of cold - exhort fruits and seeds of the neem Sir Herbert Beerbohm Tree ( Azadirachta indica ) aboriginal to India .
It hold at least five natural ingredients known to have insecticidal properties .
The most potent or active constituent is Azadirachtin , which makes an in effect natural pesticide .
When assimilate , Azadirachtin mimics the innate hormones of most insects . It can get grownup plant scale to stop eating or become infertile .
Meanwhile , it interrupts the development of nymphs , keep them from reach maturity .
Neem oil is also a great preventative measure for operate the universe by wiping out all aliveness stages : larvae , bollock , nymphs , and adult .
Often , the Azadirachtin is evoke for use in other pesticides , leave behind what ’s known as clarified hydrophobic neem oil .
This version has between .5 and 3 % percent of Azadirachtin and is used as a contact poison .
This configuration will clog the airways of insect , induce them to asphyxiate .
The neem petroleum mixture is effective for common worm pests , include aphids , citrus leafminer , fungus gnats , grubs , Japanese beetles , tinge , whiteflies , nematode , mealybugs , wanderer mite , blackleg , and scales .
However , it does n’t harm good insects like ladybugs , butterflies , and bees .
It also works well in controlling fungal diseases , including leaf spot , anthracnose , rust , blight , powdery mildew , and opprobrious spot .
Neem Soil Soaks: The First Line of Defense
Neem oilis often use as a foliar spray on minuscule plants , but this process is n’t pragmatic for something as handsome as a citrus tree .
alternatively , you will need to use aneem soil soakas your primary defense method acting .
To make the Neem oil soakage , coalesce 1 teaspoonful of Dawn dish aerial liquid , pure Castilla Georgia home boy , or insecticidal soap in one gallon of weewee to create an emulsification .
Next , add 2 tablespoonful of 100 % per centum cold - weigh raw neem oil per gallon .
For low plant life and shrubs , include smaller dwarf citrus tree Sir Herbert Beerbohm Tree , you will only require 2 to 4 cups poured forthwith on the undercoat around the plant , but turgid trees will naturally take more .
It may take some testing to specify the exact amount a finical Sir Herbert Beerbohm Tree needs to be free-base on its sizing and root feast .
The neem will be absorbed by your tree ’s roots , turn into a systemic insect powder .
Any pest that chew on or pierces the flora will ingest the Azadirachtin .
Soil soaks stay within the plant for up to 22 Clarence Day and are reapplied every three weeks as a preventative .
NOTE : It can take several week for neem to eliminate an infestation due to how it kills .
Neem Sprays: The Secondary Defense
Neem foliar atomizer have a like recipe but use clarified hydrophobic neem crude oil rather , ordinarily at a 1 to 2 % percent military strength .
These spraying are most effectual when used to thoroughly overcharge every part of a plant , so they ’re knockout to use and thus less effective the big the works gets .
commingle 2 tablespoons of the clarify neem per gallon of emulsified water for a tree spray .
You must spray at either dusk or dawn to avoid harming beneficial insects .
utilise the neem mixture using a atomiser and render to be as thoroughgoing as potential .
The atomiser should be reapplied every 7 to 14 day as both a intervention and preventive .
When dealing with a visible infestation or sooty mold infection , be sure to place those areas .
When to Avoid Using Neem Oil?
There are two times when you will want to avoid using neem oil on your citrus tree diagram .
The first fount is when the tree is close to a beehive .
Droplets from neem sprays can become airborne by the malarky and potentially foul the beehive .
The 2d instance is when the Sir Herbert Beerbohm Tree is close to a water supply feature article .
Neem oil is safe for use around homo and pets but has been find gently toxic to some aquatic sprightliness .
Applying neem too penny-pinching to an inhabited body of water can lead to taint and should be avoid .