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Chilli Bacterial Leaf Spot
Chilli Diseases
Bacterial Leaf Spot
Symptoms
- The leaves exhibit small circular or irregular, dark brown or black greasy spots. As the spots enlarge in size, the centre becomes lighter surrounded by a dark band of tissue.
- The spot coalesce to form irregular lesions. Severely affected leaves become chlorotic and fall off.
- Petioles and stems are also affected. Stem infection leads to formation of cankerous growth and wilting of branches.
- On the fruits round, raised water soaked spots with a pale yellow border and produced.
- The spots turn brown developing a depression in the centre wherein shining droplets of Bacterial cozen may be observed.
Management
- Spray mancozeb @ 2 g/l or copper oxychloride @ 2.5 g/l
- Seed treatment with 0.1% mercuric chloride solution for 2 to 5 minutes is effective
- Seedlings may be sprayed with Bordeaux mixture 1. Per cent or copper oxychloride 0.25%
- Spraying with streptomycin should not be done after fruits begin to form
- Field sanitation is important. Also seeds must be obtained from disease free plants
|
Fungicide |
Dosage |
|---|---|
|
mancozeb |
 2 g/lit |
|
 copper oxychloride |
2.5 g/lit |
- The leaves exhibit small circular or irregular, dark brown or black greasy spots. As the spots enlarge in size, the centre becomes lighter surrounded by a dark band of tissue.
- The spot coalesce to form irregular lesions. Severely affected leaves become chlorotic and fall off.
- Petioles and stems are also affected. Stem infection leads to formation of cankerous growth and wilting of branches.
- On the fruits round, raised water soaked spots with a pale yellow border and produced.
- The spots turn brown developing a depression in the centre wherein shining droplets of Bacterial cozen may be observed.
- Spray mancozeb @ 2 g/l or copper oxychloride @ 2.5 g/l
- Seed treatment with 0.1% mercuric chloride solution for 2 to 5 minutes is effective
- Seedlings may be sprayed with Bordeaux mixture 1. Per cent or copper oxychloride 0.25%
- Spraying with streptomycin should not be done after fruits begin to form
- Field sanitation is important. Also seeds must be obtained from disease free plants
|
Fungicide |
Dosage |
|---|---|
|
mancozeb |
 2 g/lit |
|
 copper oxychloride |
2.5 g/lit |
Tata Blitox
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Willowood Copoxy
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Original price was: ₹550.₹499Current price is: ₹499.
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