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Why Does Black mulberry Get Spotty Leaves?
Black mulberry, also known as Blackberry, Sycamine tree
Spots is a harmful disease affecting Black mulberry by causing various damages like leaf discoloration and growth shrinkage. The disease originates from fungal or bacterial pathogens and can lead to a significant reduction in fruit production and overall plant vitality.

Symptom Analysis

Symptoms of the Spots disease in Black mulberry prominently include black or brown spots on the leaves that spread across the entire plant. The infection can also cause a halt in growth, leading to defoliation and fruit withering.
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What Causes Spots Disease on Black mulberry?

Fungal pathogens
A common cause is the fungus 'Cercospora moricola' that multiplies in damp conditions to form spots on leaves and stems.
Bacterial pathogens
Bacteria species 'Pseudomonas syringae' can also cause spots, especially under cool and wet climate conditions.
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How to Treat Spots Disease on Black mulberry?

Non pesticide
Good sanitation: Regularly clean the growing area and disposes of infected plant parts to minimize the chances of spreading.

Proper watering: Avoid overhead watering which can create a hospitable environment for fungal growth.
Pesticide
Fungicide sprays: Application of a copper-based fungicide can efficiently tackle fungal spots.

Bactericide application: In case of bacterial infection, use of a suitable bactericide is beneficial.

How to Prevent Spots on Black mulberry?

Proper hygiene
Maintaining tool hygiene by regular cleaning and sterilizing reduces the chances of disease spread.
Crop rotation
Practicing crop rotation helps in disturbing the life cycle of pathogens thus restraining them from establishing.
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When is Spots Most Active Period on Black mulberry?

Spots disease tends to be most active in wet and cool seasons when conditions favor the growth and spread of the causal fungal or bacterial pathogens.

Infectivity

Spots are highly infectious, as the causal pathogens can be easily transmitted either by wind or water splashes.

Lethality

While the disease can lead to a significant reduction in fruit yield, absolute plant death remains relatively uncommon unless the disease is left untreated.

FAQs on Black Mulberry

Can Spots disease kill Black mulberry?
While lethal in some cases, for most instances, Spots disease will hurt the productivity and vitality of the plant rather than causing outright death.
What does Spots disease look like in Black mulberry?
The disease manifests as black or brown discolorations or spots on leaves, eventually spreading throughout the entire plant and possibly causing defoliation or fruit withering.
When is Spots disease most likely to infect Black mulberry?
Spots disease is most active during cool, wet seasons that favor the growth and spread of the causal fungal or bacterial pathogens.
How can I cure my Black mulberry from Spots disease?
The disease can be controlled by maintaining good sanitation, proper watering practices, and applying suitable fungicides or bactericides if required.
How does the Spots disease spread?
Spots disease spreads by wind or water splashes, which carry the causal pathogens from one plant to another.
How can Spots disease be prevented in Black mulberry?
Spots disease can be prevented by maintaining proper wisdom and hygiene, with regular cleaning, sterilization, and crop rotation.
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