Dhanuka ( Spectrum 29.3% SC Azoxystrobin 11% + Tebuconazole 18.3% W/W SC )
Dhanuka ( Spectrum 29.3% SC Azoxystrobin 11% + Tebuconazole 18.3% W/W SC )
Description
Spectrum is a dual-action fungicide built on Azoxystrobin 11% & Tebuconazole 18.3% w/w SC. By simultaneously disrupting fungal respiration and blocking ergosterol synthesis, it strikes fungal pathogens at two separate biological targets. Bringing together Strobilurin and Triazole chemistries, Spectrum moves both systemically and translaminarly through the plant, spreading quickly to reach and protect tissue the spray didn't directly touch.
Features & Benefits
- One product, many diseases — genuinely broad-spectrum protection across crops.
- Works in three ways: as a protectant before infection, a curative after infection starts, and an eradicant on established disease.
- Systemic and translaminar movement keeps blocking fungal growth even after the spray has dried.
- Fast uptake means it starts working inside the plant almost immediately.
- Extended control window means fewer spray rounds needed per season.
- Attacking fungi at two separate sites makes it a strong choice for delaying resistance build-up.
Mode of Action
Spectrum combines two complementary chemistries for dual-site fungal control. Azoxystrobin (Strobilurin group) inhibits respiration by blocking mitochondrial electron transport in the fungus, preventing spore germination and mycelial growth while showing strong antisporulant activity. Tebuconazole (Triazole group) inhibits ergosterol synthesis, disrupting fungal cell membrane formation, and is rapidly absorbed into vegetative parts of the plant with acropetal translocation. Together, this dual mode of action works at multiple stages of fungal development, giving Spectrum protective, curative and eradicative activity, along with a strong fit for resistance management.
| Crop | Disease | Dose (ml/acre) | Time of Application |
|---|---|---|---|
| Chilli | Fruit rot, Powdery mildew, Die-back | 240 | First spray at the appearance of disease symptoms. Repeat spray at an interval of 7 to 10 days. |
| Rice | Sheath blight | 300 | |
| Onion | Purple blotch | 300 | |
| Apple | Scab, Powdery mildew and premature leaf fall | 1.0 ml per Lit. of water | |
| Wheat | Yellow Rust | 300 | |
| Tomato | Early blight | 300 | |
| Potato | Early blight & Late blight | 300 | |
| Grape | Downy and Powdery Mildew | 300 |
| Crops | Target Pest |
Dose per acre
|
|---|---|---|
 Onion |
Purple Blotch | 300 ml/acre |
 chilli |
Anthracnose, Die Back (Colletotrichum capsici), Powdery mildew (Leveillula taurica) | 240 ml/acre |
 Paddy |
Sheath blight, Blast of paddy | 300 ml/acre |
 Apple |
Alternaria blotch (Alternaria mali) and Premature leaf fall (Marssonina coronaria) | 1.0 ml/L of water |
 Grapes |
Downy mildew (Plasmopara-viticola) | 300 ml/acre |
 potato |
Early blight (Alternaria solani), Late blight (Phytophora infestants) | 300 ml/acre |
 Tomato |
Early blight (Alternaria solani) | 300 ml/ acre |
 Wheat |
Yellow rust (Puccinia striformis) | 300 ml/ acre |
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