Black Radish Root
Aphanomyces Raphari
Pathogen:
Type:
Oomycete
Risk:
HIGH
Rábano
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
TEMPERATURE AND HUMIDITY
15°C - 25°C
70% - 90%
TRANSMISSION ROUTES
Irrigation water, Contaminated soil, Infected plant remains, Contaminated agricultural tools, Infected seeds
Do you want to remove this disease? Choose how you want to treat it.
TREATMENTS
Chemical treatments
• COPPER OXYCHLORIDE 35% (EXPR. IN CU) [WG] P/P
• COPPER OXYCHLORIDE 50% (EXPR. IN CU) [WP] P/P
• CUPROCALCIC SULFATE 12.4% (EXPR. IN CU) [SC] P/V
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
Authorized treatments in organic farming
• COPPER OXYCHLORIDE 35% (EXPR. IN CU) [WG] P/P
• COPPER OXYCHLORIDE 50% (EXPR. IN CU) [WP] P/P
• CUPROCALCIC SULFATE 12.4% (EXPR. IN CU) [SC] P/V
• CUPROCALCIC SULFATE 20% (EXPR. IN CU) [WG] P/P
Biological control
• BACILLUS AMYLOLIQUEFACIENS subsp. plantarum (strain D747) 5% [SC] P/V
• TRICHODERMA ASPERELLUM (STRAIN ICC012) 2% + TRICHODERMA GAMSII (STRAIN ICC080) 2% (3 X 10E7 CFU/G (SUM OF BOTH MICROORGANISMS)) [WP] P/P
• TRICHODERMA ASPERELLUM (STRAIN T25) (1X10E8 CFU/G) 0.5% + TRICHODERMA ATROVIRIDE (STRAIN T11) (1X10E8 CFU/G) 0.5% [WG] P/P
Recommendations
- Use crop rotation practices to reduce the accumulation of inoculum in the soil.
- Plant varieties resistant or tolerant to Aphanomyces raphani whenever possible.
- Avoid overwatering to reduce soil moisture, as this pathogen thrives in humid conditions.
- Improve soil drainage to prevent water stagnation around the roots.
- Disinfect gardening tools to prevent the spread of the pathogen between plants.
- Eliminate and destroy infected plants to reduce the source of inoculum in the field.
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*Recommended treatments are still recommendations according to authority databases and in no way replace the guidelines established according to the legislation of each country.
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TREATMENTS
Homemade remedies
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.
RECOMMENDATIONS
REPELLENT PLANTS
EFFECTIVE PRODUCTS TO ELIMINATE THIS DISEASE
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*Recommended treatments are still recommendations according to authority databases and in no way replace the guidelines established according to the legislation of each country.
*Products shown are recommendations and not our own products. As Amazon Associates, we earn revenue from purchases of recommended products.
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