Krishikranti Bhoogol Tricyclazole 75% WP is a powerful systemic fungicide made specially for blast disease control in paddy (rice). It stops all 3 types of blast leaf blast, node blast, and the most dangerous neck blast. The spray gets absorbed into the plant within 1 to 2 hours and protects new growth for 10 to 14 days. Best fungicide for paddy farmers who want to save the crop from blast and protect their yield.
TypeSystemic Fungicide
FormWettable Powder (WP)
CropPaddy / Rice
StopsBlast Disease (All Stages)
ActionPreventive + Curative
Rainfast1–2 hours after spray
What is Blast Disease in Paddy?
Blast is the most dangerous fungal disease in rice. It is caused by a fungus called Magnaporthe oryzae. It can destroy a paddy crop in 7–10 days if not stopped in time. Blast attacks paddy in 3 stages and each stage can wipe out the yield.
Leaf Blast
Small spindle-shaped spots on leaves. Spots are grey in the centre and brown at the edges. As disease grows, full leaves dry up. This stage starts in the nursery or at tillering.
Node Blast (Stem Blast)
Black-brown rings come on the joints (nodes) of the paddy plant. The plant becomes weak and breaks easily. This stage usually comes after tillering.
Neck Blast (The Yield Killer)
This is the most dangerous stage. A black band forms at the neck where the panicle (ear-head) connects to the stem. The panicle dries up. Grains do not fill. Whole panicles become empty. This is the stage where farmers lose 50 to 80 percent of their yield.
Important: Once you see neck blast, it is too late. You must spray Tricyclazole before neck blast comes at the booting stage, just before panicle emergence.
How Tricyclazole 75% WP Stops Blast
Tricyclazole works in a smart way. The blast fungus needs a hard black coating (called melanin) to enter the rice plant. Tricyclazole stops the fungus from making this melanin. Without melanin, the fungus cannot punch into the plant. It stays outside the leaf and dies.
Other key actions:
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Systemic: The medicine moves inside the plant protects new leaves and panicles too
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Rainfast: Once absorbed in 1 to 2 hours, rain cannot wash it off
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Long-lasting: One spray protects the crop for 10 to 14 days
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Preventive + Curative: Stops new infection and slows down existing disease
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No resistance issues: Even after years of use, blast fungus has not become resistant
Crop, Disease & Dose
| Crop |
Disease Controlled |
Dose |
Spray Time |
| Paddy (Rice) |
Leaf Blast |
120 g per acre
(0.6 g per litre water) |
At first symptoms tillering stage |
| Node Blast (Stem Blast) |
120–160 g per acre
(0.6–0.8 g per litre water) |
Active tillering stage |
| Neck Blast / Panicle Blast |
160–240 g per acre
(0.8–1.0 g per litre water) |
Booting stage before panicle emergence |
Quick Dose Reference: Standard: 120–160 g per acre • Severe blast: Up to 240 g per acre • Per litre water: 0.6–1.0 g • Spray volume: 200–250 litres per acre • Repeat: After 10–14 days
How to Spray Step by Step
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Step 1: Take 120 to 160 grams of Bhoogol Tricyclazole 75% WP for one acre
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Step 2: Mix it first in a small amount of water. Stir well to make a smooth paste
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Step 3: Pour this paste into the main spray tank with 200 to 250 litres of water
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Step 4: Stir well so the powder mixes fully
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Step 5: Spray on full plant leaves, stems, and panicles. Cover both upper and lower side of leaves
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Step 6: Spray in early morning or late evening. Avoid hot afternoon sun
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Step 7: Repeat after 10 to 14 days if blast pressure is high
When to Spray : Timing is Everything
Timing matters more than dose for blast control. Here is the spray calendar for paddy:
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1st Spray (Preventive): At tillering stage when first leaf blast spots appear OR when weather is humid and cloudy
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2nd Spray (Most Important): At booting stage just before panicle comes out. This stops neck blast
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3rd Spray (If Needed): At 5% panicle emergence in disease-prone areas
💡 Golden Rule for Paddy Farmers: Never wait for neck blast to appear. The booting-stage spray is the most important spray of the season. Even if your field looks clean, give one preventive spray at booting in disease-prone areas. This one spray can save 30 to 50 percent of your yield.
Where Blast Spreads Fast
Watch out for blast in these conditions:
- Humid weather above 80% humidity for several days
- Cloudy days with light drizzle
- Cool night temperature (20–25°C) followed by warm days
- Heavy nitrogen (urea) use too much urea makes plants soft and disease-prone
- Late-planted paddy crops
- Fields where blast came last year (the fungus stays in soil and stubble)
- Sensitive paddy varieties (basmati and many traditional varieties)
Mixing & Compatibility
- Compatible with most insecticides and fertilizers
- Can be tank-mixed with insecticides used for stem borer or leaf folder
- Do not mix with strong alkaline products (lime, bordeaux mixture)
- Always do a small test mix before adding to main tank
- Use clean water — muddy water reduces effect
Why Paddy Farmers Choose Bhoogol Tricyclazole 75% WP
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Stops all 3 stages of blast: Leaf blast, node blast, neck blast one product, complete protection
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Saves the panicle: The booting-stage spray protects the most important part of the crop
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Rainfast in 1–2 hours: Even if it rains after spraying, the medicine stays active
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Long-lasting: One spray gives 10–14 days protection fewer sprays needed
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Systemic action: Moves inside the plant protects new leaves that come after spray
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No resistance problem: Blast fungus has not developed resistance works as well as the day it was launched
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Cost-effective: Just 120–160 g protects one full acre for two weeks
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Safe for crop: No yellowing, no burning, no growth slowdown
Important Safety & Storage
- Wear gloves, mask, and full sleeves while spraying
- Do not eat, drink, or smoke during spray
- Wash hands and face thoroughly after spraying
- Keep away from children, food, and animal feed
- Store in a cool, dry place away from direct sunlight
- Pre-Harvest Interval (PHI): Stop spraying at least 30 days before harvest
- Do not spray on flowering stage if bees are active in the field
Frequently Asked Questions
Q. What is Tricyclazole 75% WP used for? Tricyclazole 75% WP is a systemic fungicide used to control blast disease in paddy (rice). It stops all 3 stages — leaf blast, node blast, and neck blast.
Q. What is the dose of Tricyclazole 75% WP per acre? Standard dose is 120 to 160 grams per acre. For severe blast, use up to 240 grams per acre. Mix in 200 to 250 litres of water for one acre.
Q. How much Tricyclazole 75% WP to mix in 1 litre water? Mix 0.6 to 1.0 grams of Tricyclazole 75% WP per litre of water. For knapsack sprayer, this means roughly 10 to 15 grams in a 15-litre tank.
Q. When should I spray Tricyclazole in paddy? Spray at 2 stages — first at active tillering (when first leaf blast spots appear), and second at booting stage (just before panicle emergence). The booting spray is the most important to stop neck blast.
Q. Can Tricyclazole control neck blast in rice? Yes. Tricyclazole is the best fungicide for neck blast control. Spray at booting stage (before panicle emergence) at 160 to 240 grams per acre. Once neck blast symptoms appear, treatment becomes very difficult.
Q. How long does Tricyclazole 75% WP protect the crop? One spray gives 10 to 14 days of protection. The medicine becomes rainfast in 1 to 2 hours after spraying and moves inside the plant to protect new growth.
Q. Can Tricyclazole be mixed with insecticides? Yes. It is compatible with most insecticides used for stem borer, leaf folder, and brown plant hopper. Do a small test mix first before adding to main spray tank.
Q. How is Tricyclazole different from Bavistin or Mancozeb? Bavistin and Mancozeb are broad-spectrum fungicides that control many diseases. Tricyclazole is specialised — it works only on blast in paddy. For blast, Tricyclazole gives much better results than other fungicides.
Q. Will rain wash off Tricyclazole? No. Tricyclazole is rainfast in 1 to 2 hours. After this time, even heavy rain will not wash it off because the medicine has moved inside the plant.
Q. Is Tricyclazole safe for paddy crop? Yes. When used at the recommended dose, Tricyclazole is safe for paddy. It does not cause yellowing, burning, or growth slowdown. Stop spraying at least 30 days before harvest.
Q. Can Tricyclazole be used in basmati rice? Yes. Tricyclazole is widely used in basmati and other premium rice varieties. Basmati varieties are very sensitive to blast — preventive spray at booting stage is highly recommended.
Q. Why is my paddy still getting blast even after spraying? This usually happens when the spray was given too late or at wrong stage. Always spray BEFORE neck blast appears. Use proper dose. Cover full plant. Repeat after 10 to 14 days if disease pressure is high. Also, avoid excess urea — it makes plants more disease-prone.
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