Kasu-B Fungicide (Kasugamycin 3% SL) by Dhanuka is a broad-spectrum systemic fungicide and antibiotic compound used for the management of fungal and bacterial diseases in crops. It is recommended for rice, tomato, chilli, cucumber, cabbage and potato crops. Dhanuka Kasu-B helps control blast, early blight, bacterial leaf spot, Cercospora leaf spot, dieback, angular leaf spot, Alternaria leaf spot and black rot. Apply through foliar spray according to the crop and disease recommendation.
Kasugamycin 3% SL
Mode of Entry: Systemic action
Mode of Action: Kasugamycin is an antibiotic fungicide that inhibits protein synthesis in fungal and bacterial pathogens. It interferes with pathogen growth and development, helping control disease progression in treated crops.
Time of Application: Apply Kasu-B at any stage of crop growth when disease incidence is observed and may cause economic loss. For better disease management, apply at the initial stage of disease development.
Crop |
Target disease |
Dosage per acre |
Dilution in water per acre |
Dosage per litre of water |
Waiting period |
Rice (Paddy) |
Blast |
400 to 600 ml |
300 to 400 L |
1.33 to 1.5 ml |
30 days |
Tomato |
Early blight |
400 to 500 ml |
200 to 240 L |
1.67 to 2.08 ml |
3 days |
Chilli |
Bacterial leaf spot, Cercospora leaf spot, Die back |
400 to 500 ml |
150 to 200 L |
2.5 to 2.66 ml |
5 days |
Cucumber |
Angular leaf spot, Alternaria leaf spot, Anthracnose |
400 to 500 ml |
150 to 200 L |
2.5 to 2.66 ml |
5 days |
Cabbage |
Black rot |
600 ml |
200 L |
3 ml |
20 days |
Potato |
Early blight |
400 to 600 ml |
200 L |
2 to 3 ml |
8 days |
Method of Application
Foliar Spray: Apply Kasu-B as a foliar spray using suitable spraying equipment. Use Knapsack sprayer, Foot sprayer, Compression knapsack sprayer and ASPEE-HTP power sprayer. Prepare the spray solution by measuring the recommended quantity of Kasu-B, mixing with a small quantity of water, and adding the remaining water with continuous stirring. Ensure uniform coverage of the crop canopy.
Best Time to Spray
Consult an agronomist before mixing Kasu-B with other crop protection products.
Store Kasu-B in its original sealed container. Keep in a cool, dry and well-ventilated place away from food, feed, sparks, fire and direct sunlight. Store away from children, livestock, and unauthorized persons.
“For best results, Apply Dhanuka Kasu-B at the recommended dose when disease symptoms appear or during early disease development. Ensure uniform crop coverage and follow resistance management practices by rotating fungicides with different modes of action.” - BigHaat Agronomy Expert
Disclaimer: This information is provided for reference purposes only. Always follow the recommended application guidelines outlined on the product label and accompanying leaflet.
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