Pudrición de raíz y tallo
Root And Neck Rot
Fusarium Solani F. Sp. Cucurbitae
Pathogen:
Fungus
Type:
Risk to the plant:
HIGH
DESCRIPTION
WHO CAUSES IT?
Fusarium solani f. sp. cucurbitae is a fungal pathogen that causes the disease known as root and neck rot in squash plants. This pathogen has a complex life cycle that begins with the release of spores into the soil. Once in the soil, the spores germinate and produce mycelial structures that infect the roots of the host plants. The fungus develops within the root and neck tissues of the plant, causing severe damage that can lead to the death of the plant.
SYMPTOMS
Root and collar rot causes a number of general symptoms in squash plants, including:
- Progressive wilting of the plant.
- Yellowing and necrosis of the leaves.
- Root and neck rot, which can be soft or dry.
- Reduction in the growth and development of the plant.
- Possible death of the plant in advanced stages of the disease.
TEMPERATURE AND HUMIDITY
20°C - 30°C
70% - 90%
HOW IS IT SPREAD?
Contaminated soil, irrigation water, infected planting material
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• AZOXISTROBIN 25% [SC] P/V
• TEBUCONAZOLE 25% [EW] P/V
Treatments allowed in organic farming
-
Insect allies
PREDATORY MITES
LADYBUGS
LACEWINGS
PARASITIC WASPS
HOVERFLIES OR PARASITIC FLIES
PREDATORY BUGS
There are no natural allies
Mycodiplosis oidii (predatory mosquito)
EFFECTIVE PRODUCTS TO ELIMINATE THIS DISEASE
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- Rotate crops with non-host plants to reduce inoculum accumulation in the soil.
- Use integrated pest management practices to promote soil health and increase plant resistance.
- Disinfect cultivation tools and field equipment to prevent the spread of the fungus.
- Avoid excessive watering and waterlogging of the soil, as they favor the development of the disease.
- Use healthy and certified seedlings to avoid the introduction of the pathogen into the crop.
- Apply preventive fungicides at critical moments in the plant's growth cycle.
Recommendations
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