
- Type of Infestation: bacterial Disease
- Common Name: Black Rot
- Causal Organism: Xanthomonas campestris
- Affected Parts Of the plant: Leaf, Stem, Head, Root
Environmental favorable factors for pests/Diseases:
- Temperature: Warm temperatures, specifically between 25-30°C (77-86°F), favor the growth and activity of the Xanthomonas campestris pv. campestris bacteria responsible for black rot.
- Humidity: High humidity and frequent rainfall create ideal conditions for the bacteria to spread. Water droplets splashing from infected leaves to healthy ones can easily transmit the disease
Symptoms of Pest/Disease:
- V-shaped yellow or brown lesions on the leaves, starting at the edges and moving inwards
- Blackening of the veins in the infected leaves
- Wilting and stunting of the plants
- Head decay in severe cases
Measures to control Pests/Diseases:
Products | Technical Names | Dosages |
striker | Pseudomonas Fluorescens Bio Fungicide Powder | 5 kg per acre |
coc 50 | Copper oxychloride 50 % wp | 2gm/ltr |
kmycin | Streptomycin Sulphate 90% + Tetracycline Hydrochloride 10% | 6 grams in 60 Liter water |
FAQs Related to Black Rot of Cabbage
Q. What causes black rot of cabbage?
A. Black rot of cabbage is caused by the bacteria Xanthomonas campestris, which enters plants through wounds or water pores, especially in warm and wet conditions.
Q., What are the symptoms of black rot in cabbage?
A. The first signs of black rot of cabbage symptoms include yellowing edges on leaves, forming V-shaped lesions that turn black, and stunted plant growth.
Q. Can black rot disease affect cauliflower too?
A. Yes, black rot disease in cauliflower is caused by the same bacteria, Xanthomonas campestris, and shows similar symptoms on leaves and plants.
Q. How is black rot of cabbage managed?
A. For black rot of cabbage management, practice crop rotation, remove infected plants, and improve drainage. Regular monitoring and preventive sprays are essential.
Q. What is the treatment for black rot in cabbage?
A. Black rot in cabbage treatment includes using Pseudomonas Fluorescens Bio Fungicide Powder to suppress bacterial growth and protect healthy plants.
Q. How can I control cabbage diseases like black rot?
A. Control cabbage diseases by ensuring proper spacing, good air circulation, and timely application of bio-fungicides like Pseudomonas Fluorescens.