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Mulberry > Fruit rot
Why Are My Mulberry Fruits Rotting Before Harvest?
Mulberry, also known as Common mulberry
Fruit rot is a disease that significantly impacts the growth and production of Mulberry. The disease, caused primarily by fungi, results in premature fruit drop, decaying fruits, and reduced yields. Timely management and prevention measures are essential to mitigate its effects.

Symptom Analysis

Common symptoms on Mulberry include browning or blackening of fruits, premature fruit drop, and fruits getting soft, mushy, and covered with fungal spores. The leaves may also exhibit yellowing and wilting.
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What Causes Fruit rot Disease on Mulberry?

Fungal Pathogens
Fungi, mainly from the Botrytis, Alternaria, and Colletotrichum genera, cause fruit rot. These fungi are soil-borne and can infect Mulberry through fruit wounds or during flowering.
Environmental Conditions
Humid, moist conditions and temperatures between 20 to 30 degrees Celsius support the rapid growth and spreading of the fungi causing fruit rot.
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How to Treat Fruit rot Disease on Mulberry?

Non pesticide
Pruning: Regularly prune the plants to improve air circulation and reduce humidity levels, which in turn inhibit fungal growth.

Resistant varieties: Plant disease-resistant varieties of Mulberry that can better resist the fungi causing fruit rot.
Pesticide
Fungicide Spray: Apply approved fungicides like Chlorothalonil, Mancozeb, or Copper compounds at first sign of the disease and repeat at regular intervals.

How to Prevent Fruit rot on Mulberry?

Crop Rotation
Practice crop rotation and diversification to disrupt the fungal life cycle and prevent disease outbreak.
Clean Farming Tools
Regularly clean and disinfect farming tools to prevent the spread of infectious fungal spores.
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When is Fruit rot Most Active Period on Mulberry?

Fruit rot is most active during the rainy season or in wet, humid growing conditions. This is because moisture aids in the spread and development of fungal spores.

Infectivity

Fruit rot spreads rapidly in favorable conditions and can infect other plants in close proximity if not checked promptly.

Lethality

While not immediately lethal, if unchecked, fruit rot can significantly reduce plant vigor, fruit yield, and even lead to plant death.

FAQs on Mulberry

Does fruit rot affect the quality of Mulberry fruit?
Yes, fruit rot severely affects the quality of Mulberry fruit, making it inedible and unsuitable for sale, leading to significant economic losses.
How can I prevent fruit rot disease in Mulberry?
Improved cultivation practices, timely pruning, using resistant varieties, and applying suitable fungicides can help prevent fruit rot in Mulberry.
Is fruit rot infectious to other plants?
Yes, fruit rot is highly infectious and can quickly spread to other plants, especially under moist, favorable conditions.
How harmful is fruit rot to Mulberry?
If untreated, fruit rot can lead to significant fruit loss, reduced plant vigor, and even lead to plant death in severe cases.
Does the fungal spore of fruit rot survive in the soil?
Yes, fungal spores of fruit rot can survive in the soil, contributing to disease recurrence in following seasons.
Can I use any fungicide to treat fruit rot in Mulberry?
Not all fungicides are effective against fruit rot. It's best to use approved fungicides like Chlorothalonil, Mancozeb, or Copper compounds, and to always follow manufacturer instructions.
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