It is caused by a virus.
Black ring disease jade plant.
This is caused by a virus and there is no way to treat the disease.
Viruses are spread by insects and are best controlled by controlling infestation of insects.
Right now no one knows how to cure a jade plant from black ring disease.
Black ring is a virus that appears as black spots on the undersides of leaves.
The disease does not kill the plant but there is no real effective way to treat black ring disease once you detect it.
Tomato spotted wilt virus a topsovirus also.
This virus will create black rings on the bottom of the leaves of your jade plant.
Unlike bacterial soft rot it does not kill the plant.
If you see black rings or marks on the underside of your jade plant s leaves you may have black ring disease.
The black ring is a virus that appears as black spots on the undersides of leaves.
Identifying and treating jade plant diseases mealy bugs.
However you should not use the cuttings to propagate to prevent producing infected new growth.
Instead use disease free cuttings from a healthier plant.
A good solution for this is get off me.
You can remove the affected areas and repot the plant in fresh soil to save the plant however do not propagate cuttings from any infected plants.
It doesn t harm the plant but makes it look pretty ugly.
My jade plant plant is tall and sparse how can i make it shorter and bushier.
Tomato spotted wilt virus a tospovirus also creates dark or black spots on leaves of infected plants.
Caused by a virus black ring disease leaves black rings on the underside of the jade plant s leaves.
Which is an effective and natural treatment for pest control.
Like all other plants the jade too is prone to diseases and some of the most common ones affecting it are mealy bugs black ring disease powdery mildew and bacterial soft rot.
Spray the plant and soil liberally.
Although viruses do not kill jade plants viruses can be systemic so infected plants should not be used for propagation.
Black ring disease makes black rings on the underside of the jade plant s leaves.
Pruning is the key.