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Lima bean > Black mold
Why Are Lima bean Affected by Black Mold?
Lima bean, also known as Double bean, Butter beans, Dwarf bean, Garden bean
Black mold, primarily caused by the Aspergillus species, significantly impacts the health of Lima bean. It leads to reduced growth, discolored leaves and can ultimately affect crop yield.

Symptom Analysis

On Lima bean, symptoms include dark, powdery fungal growths primarily on leaves, leading to chlorosis, reduced photosynthesis, and premature leaf drop. Fungal presence also stunts overall growth.
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What Causes Black mold Disease on Lima bean?

Fungi
Predominantly caused by Aspergillus spp., which thrive in warm and moist conditions, infecting plants when these environmental factors are met.
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How to Treat Black mold Disease on Lima bean?

Non pesticide
Adequate spacing: Ensures good air circulation which reduces humidity levels around the plant foliage, decreasing fungal proliferation.

Remove affected parts: Early detection and removal of infested parts prevent spread to healthy areas.
Pesticide
Fungicidal sprays: Application of copper-based fungicides can help manage and prevent spread of black mold.

How to Prevent Black mold on Lima bean?

Proper fertilization
Avoid over-fertilization with nitrogen, which can promote excess foliage that is more susceptible to fungal attacks.
Regular monitoring
Regular inspections help early detection and management of the disease before it progresses extensively.
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When is Black mold Most Active Period on Lima bean?

Activity peaks in warm and high-humidity conditions where there is an abundance of organic debris and poor air circulation.

Infectivity

Spores spread easily through air, making this disease highly infectious.

Lethality

While not always lethal, severe infections can lead to significant plant decline and death.

FAQs on Lima Bean

What are common signs of black mold on Lima bean?
Look for black or dark green powdery spots on leaves, stunted growth, and premature leaf shedding.
Can black mold on Lima bean affect human health?
While the plant disease itself doesn't impact humans, certain molds like Aspergillus spp. can cause respiratory issues if inhaled.
How can I prevent black mold in my Lima bean garden?
Ensure good air circulation, avoid overhead watering, remove debris, and apply copper-based fungicides if necessary.
What should I do if my Lima bean has black mold?
Remove infected plant parts immediately, improve air flow around the plant, and consider fungicidal treatment.
Is black mold contagious between plants?
Yes, spores can spread from one plant to another via wind, pests, or contaminated tools.
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