Rábano
How to recognize and combat black radish root
Black Radish Root
Oomycete
Type:
Risk to the plant:
HIGH
Aphanomyces Raphari
Pathogen:
Phytophthora
WHO CAUSES IT?
Aphanomyces raphani is an oomycete that causes the disease known as black radish root. This pathogen has a complex life cycle that includes the formation of motile spores called zoospores, which are released into the soil from specialized structures called sporangia. Once in the soil, the zoospores can swim to the roots of radish plants, where they infect and colonize the tissues, causing characteristic symptoms of the disease.
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SYMPTOMS
The black root of radish causes root rot, which leads to widespread wilting of the plant. General symptoms include poor plant growth, wilting of leaves, yellowing, and eventual plant death.
- Root rot
- Generalized wilting of the plant
- Poor growth
- Leaf wilting
- Yellowing of the leaves
- Possible death of the plant
DEVELOPMENT CONDITIONS
Temperature:
15°C - 25°C
Humidity:
70% - 90%
HOW IS IT SPREAD?
Irrigation water, Contaminated soil, Infected plant remains, Contaminated agricultural tools, Infected seeds
HOW TO ELIMINATE IT?
Home treatments
There are no home treatments
Natural allies
Chemical treatments
There are no treatments for this disease. Treatments are directed at the insect vectors that transmit it. See insect treatments.
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