What are the common fungicides used for orchids? A detailed introduction in this article
Introduction to common fungicides used for orchids...
| Introduction to common fungicides used for orchids | |||||
| 1 | Product name | Orchid diseases treated | Properties | Method | Dilution ratio |
| 2 | Chlorothalonil 75% WP | Leaf spot, phytophthora, anthracnose | Broad-spectrum, non-systemic | Preventive before disease onset | 800-1000x solution |
| 3 | Thiophanate-methyl 70% WP | Leaf spot, flower rot, anthracnose | Broad-spectrum antibacterial | Spray | 1000-1500x solution |
| 4 | Carbendazim 50% WP | Leaf blight, root rot, anthracnose | Systemic | Spray | 800-1000x solution |
| 5 | Kocide 77% WP | Phytophthora, root disease, leaf spot, | Copper agent, broad-spectrum and long-lasting | Spray, root drench | 600-800x solution |
| 6 | Agricultural streptomycin 72% WP | Bacterial | Spray, root drench | 500-800x solution | |
| 7 | Medical streptomycin | Bacterial | Spray, root drench | ||
| 8 | Potassium permanganate | Disinfectant | Chemical agent | Soaking | 800-1000x solution |
| 9 | Zineb 80% WP | Anthracnose, leaf spot disease | Contact killer | Spray at early stage of disease | 800-1000x solution |
| 10 | Mancozeb 70% WP | Anthracnose, leaf spot, phytophthora | Broad-spectrum antibacterial | Spray | 600-800x solution |
| 11 | Decis 2.55% EC | Aphids, leaf-eating caterpillars | Contact action, stomach poison | Spray | 2000-2500x solution |
| 12 | Supracide 40% EC | Scale insects, spider mites | Contact action, stomach poison | Penetrating, spray, root watering | |
| 13 | Bingkeke | Viral disease | Penetrating, spray, root watering | 800-1000x solution | |
| 14 | Bingdubike | Viral disease | Penetrating, spray, root watering | 600-800x solution | |
| 15 | Houttuynia cordata | Both nutritional and fungicidal | Disinfection, sterilization | ||
| 16 | Daktarin | Broad-spectrum | Spray, root drench | 1000x solution or varying | |
| 17 | Chlorothalonil 75% WP | Leaf spot, phytophthora, anthracnose | Broad-spectrum, non-systemic | Preventive before disease onset | 800-1000x solution |
| 18 | Ridomil MZ 58% WP | Phytophthora, root disease | Systemic, may leave spray marks | Spray, root drench | 800-1000x solution |
| 19 | Polyoxin 10% WP | Various leaf spot diseases | Systemic, safe | Spray | 1000-1200x solution |
| 20 | Score 10% WP | Leaf spot, anthracnose | Systemic | Spray | 3000-60000x solution |
| 21 | Previcur 66.5% | Phytophthora, rot disease | Inhibits fungi, stimulates crop growth | Spray, soil treatment | 600-800x solution |
| 22 | Sporgon 25% WP | Leaf spot, phytophthora, anthracnose | Broad-spectrum, inhibits certain fungi | Spray | 800-1000x solution |
| 23 | Iprodione 50% WP | Phytophthora, Fusarium, rot, root rot, sclerotinia | Broad-spectrum, contact, at early stage of disease | Spray or root drench | 1000x solution |
| 24 | Hydroxyisoxazole 70% WP | Fusarium, Pythium | Systemic, soil disinfection | Root drench, spray | 1500-2000x solution |
| 25 | Dimethachlon 40% WP | Sclerotinia, leaf blight | Contact action, internal absorption, long residual effect | Root drench or spray | 800-1000x solution |
| 26 | Dexon 75% WP | Root rot, stem rot, anthracnose | Systemic, penetrant | Soil treatment | 800-fold dilution |
| 27 | Tuzet 50% WP | Sclerotinia, root rot, anthracnose | Systemic, leaves spray marks after application | 800-1000-fold dilution | |
| 28 | Fenarimol 25% WP | Rust disease | Systemic | Spray | 1500-fold dilution |
| 29 | Zhibingling 1.5% WP | Viral disease | Inhibits viruses, promotes plant growth | Spray | |
| 30 | Yekuning 20% WP | Bacterial diseases | Systemic, long-lasting | Spray | 1000-fold dilution |
| 31 | High-lipid film 27% emulsion | Fungi, bacteria, plant protection, pathogen isolation | Spray, eco-friendly pesticide | ||
| 32 | Thiram 50% WP | Rot, leaf spot, anthracnose | Broad-spectrum antibacterial | Spray, soil application | 800-1000-fold dilution |
| 33 | Benlate 50% WP | Leaf spot, Fusarium | Broad-spectrum antibacterial | Drench | 1000-1200-fold dilution |
| 34 | Sumilex 50% WP | Sclerotinia, root rot, flower rot | Systemic, prone to resistance | Spray, root drench | 1500-2000-fold dilution |
| 35 | Sandofan 64% WP | Stem rot | Contact, systemic, prone to resistance | Spray | |
| 36 | Fosetyl-aluminium80％wp | Phytophthora blight, downy mildew | Systemic, upward and downward translocation | Spray, root irrigation | |
| 37 | Weixiuling20% emulsifiable concentrate | Rust disease | Systemic | Spray | |
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Notes: 1: Apply generally once every 7~10 days, can also be adjusted according to different situations; 2: Carbendazim, benomyl and thiophanate-methyl must not be used in rotation; |
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3: Copper-based preparations and alkaline pesticides must not be used at the same time as thiophanate-methyl; 4: Best growing medium: large-grain Kanuma soil with small-grain Sento soil, or Qingcheng Mountain black Sento soil with Huayi orchid mycorrhizal soil. |
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