| Customization: | Available |
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| CAS No.: | 1897-45-6 |
| Formula: | C8cl4n2 |
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Chlorothalonil is a non-systemic, broad-spectrum fungicide. It effectively prevents fungal diseases in various crops. It interacts with 3-phosphoglyceraldehyde dehydrogenase in fungal cells. It binds to cysteine-containing proteins in the enzyme, destroying its activity. This disrupts fungal metabolism and leads to cell death.
Chlorothalonil primarily prevents and controls fungal damage to plants. It adheres well to plant surfaces, ensuring a longer efficacy period. Typically, it remains effective for 7-10 days. It has not shown any resistance yet. It dissolves easily in water. It effectively prevents spread during severe disease outbreaks or regular spraying.
Rice blast: Start spraying when disease centers appear. Spray again after 7 days. For panicle blast, spray once at the booting stage and once at the heading stage. Use 75% Chlorothalonil wettable powder diluted 500-700 times. Mix well before spraying.
Sheath blight: Spray during the early disease stage or from the young panicle formation to the grain-filling stage. Spray again after 7 days. Use 75% Chlorothalonil wettable powder diluted 500-700 times, focusing on spraying the rice stems.
Wheat leaf rust and leaf spot: Start spraying at the early disease stage. Spray again after 7 days. Repeat for 2-3 applications. Use 75% Chlorothalonil wettable powder diluted 500-700 times. Mix well before spraying.
Peanut rust, brown spot, and black spot: Start spraying at the early disease stage. Spray every 7-10 days for 2-3 applications. Use 75% Chlorothalonil wettable powder diluted 500-600 times or 40% Chlorothalonil suspension diluted 400-600 times. Spray evenly.
Cucumber downy mildew: Start spraying before or at the early disease stage. Spray every 7 days for 3-4 applications. Use 75% Chlorothalonil wettable powder diluted 300-500 times or 40% Chlorothalonil suspension diluted 400-500 times. Reduce the spray volume for young cucumber seedlings. Use Baijunqing smoke agent for greenhouse cucumber downy mildew, at 45% smoke agent 200-250g per mu.
Tomato early blight: Start spraying at the early disease stage. Spray every 7-10 days for 3-4 applications. Use 75% Chlorothalonil wettable powder diluted 300-500 times or 40% Chlorothalonil suspension diluted 400-500 times. Mix well before spraying, reducing spray volume for young seedlings.
Cabbage black spot and downy mildew: Start spraying at the early disease stage when conditions favor disease development. Spray every 7-10 days for 2-3 applications. Use 75% Baijunqing wettable powder diluted 400-500 times. Mix well before spraying.
Bean rust, gray mold, and anthracnose: Start spraying at the early disease stage. Spray every 7 days for 3-4 applications. Use 75% Chlorothalonil wettable powder diluted 400-500 times. Mix well before spraying.
Potato late blight, early blight, and gray mold: Start spraying when the disease begins to develop before potato closure. Spray every 7-10 days, adjusting based on disease progression. Use 75% Chlorothalonil wettable powder diluted 400-500 times. Mix well before spraying.
Tomato leaf mold, leaf spot, and anthracnose: Start spraying at the early disease stage. Spray every 7 days, adjusting based on disease progression. Use 75% Chlorothalonil wettable powder diluted 400-500 times. Mix well before spraying.
Solanaceae anthracnose and early blight: Start spraying at the early disease stage. Spray every 7 days for 3-4 applications. Use 75% Chlorothalonil wettable powder diluted 400-500 times. Mix well before spraying.
Melon downy mildew and powdery mildew: Start spraying at the early disease stage. Spray every 7 days until disease progression stops. Use 75% Chlorothalonil wettable powder diluted 500-600 times. Mix well before spraying.
Grape powdery mildew and black rot: Start spraying at the early leaf disease stage or two weeks after flowering. Generally, spray every 7-10 days, adjusting based on disease progression. Use 75% Chlorothalonil wettable powder diluted 600-700 times.
Apple anthracnose: Start spraying the first application in early June. Spray every 15 days for 4-5 applications. Use 75% Chlorothalonil wettable powder diluted 500 times.
Citrus scab and skin blemish: Start spraying when citrus petals drop. Spray every 10-14 days for 2-3 applications. Use 75% Chlorothalonil wettable powder diluted 800-1000 times.
Tea anthracnose: Start spraying during the summer and autumn tea budding or at the early disease stage. Spray every 7-10 days for 2-3 applications. Use 75% Chlorothalonil wettable powder diluted 600-800 times.
| Product name | Chlorothalonil |
| Tech grade | 95%TC |
| Formulation | 50%WP |
| Molecular formula | C8Cl4N2 |
| CAS No. | 1897-45-6 |
| EINECS No. | 217-588-1 |
| Shelf life | 2 Years |
Q1: How can you guarantee quality?
A1: Always a pre-production sample before mass production;
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