Brinjal, one of the most important Horticultural crops, globally faces threat from Pests and Diseases. This blog explains the main threat in the brinjal crop called "Cercospora Leaf Spot", leading to significant yield losses if left unchecked. In this article, we'll explore effective measures to control and manage Cercospora Leaf Spot Disease.
What is Cercospora Leaf Spot?
Cercospora leaf spot disease is a fungal disease that can infect a wide variety of plants, including vegetables, fruits, and trees. It is caused by several different species of fungi in the genus Cercospora. Symptoms of the disease typically include small, circular spots on leaves that are brown, tan, or gray in color. The spots may have a reddish purple border and may enlarge and merge together as the disease progresses. In severe cases, leaves may become yellow, wilted, and fall off the plant.
Short Description of Cercospora Leaf Spot
Here is the detail information related to the Cercospora Leaf Spot:
|
Type of Infection |
Fungal Diseases |
|
Common Name |
Cercospora Leaf Spot |
|
Causal Organism |
Cercospora solani |
|
Affected parts of the plant |
Leaves |
Favorable factors of Cercospora leaf Spot in Brinjal crop
Temperatures between 77°F and 95°F with high relative humidity (90-95%) are ideal for fungal growth and spore production. Rain, dew, or overhead irrigation creates prolonged periods of leaf wetness, which is essential for spore germination and infection.
Symptoms of Brinjal crop affected by Cercospora Leaf Spot
Main symptoms of plant affected by Alternaria Leaf Spot Disease are:
- Small, brown flecks with reddish borders, expanding to circular spots of 4mm with an ashy-grey center.
- Tissue becomes thin and brittle, often dropping out, leaving ragged holes.
- Leaves may roll, wilt, and fall from the plant.
- In some cases, fruits or stems may also be affected.
Chemical control methods for Cercospora Leaf Spot Disease of Brinjal crop
Here are the best recommendations of Chemical control measures.
|
Products |
Technical Names |
Dosages |
|
Propineb 70% WP |
600 - 800 grams per Acre |
|
|
Mancozeb 75% WP |
500 gms per Acre |
|
|
Carbendazim 12 % + Mancozeb 63 % WP |
300-400 grams per acre |
|
|
Metalaxyl-M 3.3% + Chlorothalonil 33.1% SC |
300-400 ml/acre |
|
|
Thiophanate Methyl 70% WP |
2 grams/ liter |
Also Read About How to control Control Alternaria Leaf Spot in Brinjal here.
Brinjal Cercospora Leaf Spot Related FAQs :
Q. What is the favourable temperature for Cercospora leaf spot?
A. Temperatures between 77°F and 95°F are favorable factors for Cercospora leaf spot.
Q. Is Propi used in other fungal diseases?
A. Propi is the product that can be used for several fungal diseases.
Q. Symptoms of Cercospora leaf spot?
A. Brown flecks with reddish borders is the symptom of Cercospora leaf spot
Q. Price of KTM product?
A. 250 grams of KTM costs around 229 rupees.
