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"maize_healthy": {
"crop": "Maize",
"name": "Healthy Maize",
"healthy": true
},
"maize_gls": {
"crop": "Maize",
"name": "Grey Leaf Spot",
"cause": "A fungus (Cercospora zeae-maydis) that thrives in warm, humid weather and crowded fields.",
"treatment": [
"Remove badly spotted lower leaves and burn them away from the field.",
"Spray a strobilurin or triazole fungicide early, repeat after 10-14 days.",
"Avoid working in the field when leaves are wet.",
"Next season, rotate and plant resistant maize."
],
"products": [
"Azoxystrobin",
"Propiconazole"
]
},
"maize_nclb": {
"crop": "Maize",
"name": "Northern Corn Leaf Blight",
"cause": "A fungus (Exserohilum turcicum) causing long grey-green cigar-shaped lesions; spreads fast in wet seasons.",
"treatment": [
"Scout weekly and remove infected leaves early.",
"Apply mancozeb or azoxystrobin at first sign.",
"Improve drainage and spacing so leaves dry fast.",
"Plant NCLB-resistant maize next time."
],
"products": [
"Mancozeb",
"Azoxystrobin"
]
},
"maize_rust": {
"crop": "Maize",
"name": "Common Rust",
"cause": "A fungus (Puccinia sorghi) producing reddish-brown powdery pustules on both leaf surfaces.",
"treatment": [
"For light infection, simply monitor β maize tolerates some rust.",
"If pustules spread fast, spray a triazole fungicide.",
"Avoid excess nitrogen.",
"Choose rust-tolerant hybrids next season."
],
"products": [
"Tebuconazole",
"Propiconazole"
]
},
"maize_msv": {
"crop": "Maize",
"name": "Maize Streak Virus",
"cause": "A virus spread by leafhoppers, common in West Africa. Leaves show fine yellow streaks running along the veins; plants stay stunted.",
"treatment": [
"Rogue out (uproot and destroy) badly infected plants early.",
"Control leafhoppers with an approved insecticide where infestation is high.",
"Plant MSV-tolerant varieties and sow early to escape peak leafhopper numbers.",
"Keep fields weed-free, as weeds host the virus and insect."
],
"products": [
"MSV-tolerant seed",
"Imidacloprid (for leafhopper)"
]
},
"maize_faw": {
"crop": "Maize",
"name": "Fall Armyworm",
"cause": "A caterpillar pest (Spodoptera frugiperda) that chews ragged holes and 'windows' in the whorl, leaving moist sawdust-like frass. Ghana's biggest maize pest.",
"treatment": [
"Scout twice a week; hand-pick and crush egg masses and caterpillars early.",
"Apply an approved insecticide (emamectin benzoate or spinetoram) into the whorl in the evening.",
"Apply dry sand or wood ash into the whorl as a low-cost option for small farms.",
"Protect natural enemies β avoid blanket spraying that kills helpful insects."
],
"products": [
"Emamectin benzoate",
"Spinetoram"
]
},
"cassava_healthy": {
"crop": "Cassava",
"name": "Healthy Cassava",
"healthy": true
},
"cassava_cmd": {
"crop": "Cassava",
"name": "Cassava Mosaic Disease",
"cause": "A virus spread by whiteflies and infected cuttings. Leaves show yellow-green mosaic patterns and distortion.",
"treatment": [
"Use clean, certified cuttings β never replant stems from sick plants.",
"Uproot and destroy severely infected plants early.",
"Control whiteflies that carry the virus.",
"Plant CMD-resistant cassava (e.g. improved IITA lines)."
],
"products": [
"No spray cure β use clean cuttings"
]
},
"cassava_cbsd": {
"crop": "Cassava",
"name": "Cassava Brown Streak Disease",
"cause": "A virus causing brown streaks on stems and dark rot inside the roots β often hidden until harvest.",
"treatment": [
"Harvest early if you see symptoms β rot worsens the longer roots stay in the ground.",
"Use only clean planting material from disease-free fields.",
"Remove and destroy infected plants and regrowth.",
"Switch to tolerant varieties and control whiteflies."
],
"products": [
"No spray cure β clean material + early harvest"
]
},
"cassava_cbb": {
"crop": "Cassava",
"name": "Cassava Bacterial Blight",
"cause": "A bacterium (Xanthomonas) causing angular water-soaked leaf spots, wilting, stem gum and dieback; worse in the rains.",
"treatment": [
"Use clean, disease-free cuttings from healthy fields.",
"Remove and burn infected plants and crop debris.",
"Rotate fields and allow fallow to lower the bacteria.",
"Avoid moving cuttings between farms in wet weather."
],
"products": [
"No spray cure β clean cuttings + sanitation"
]
},
"tomato_healthy": {
"crop": "Tomato",
"name": "Healthy Tomato",
"healthy": true
},
"tomato_early": {
"crop": "Tomato",
"name": "Tomato Early Blight",
"cause": "A fungus (Alternaria solani) making dark concentric 'target' rings on older lower leaves.",
"treatment": [
"Pick off and destroy the lowest spotted leaves first.",
"Spray mancozeb or copper every 7-10 days.",
"Mulch the soil to stop spores splashing onto leaves.",
"Feed plants well β strong tomatoes resist blight better."
],
"products": [
"Mancozeb",
"Copper oxychloride"
]
},
"tomato_late": {
"crop": "Tomato",
"name": "Tomato Late Blight",
"cause": "An aggressive water-mould (Phytophthora infestans). Can destroy a whole field in days in cool, wet weather.",
"treatment": [
"Act today. Remove and bury every infected plant β do not compost them.",
"Spray chlorothalonil or mancozeb on remaining healthy plants now.",
"Stop overhead watering; water at the base in the morning.",
"Destroy nearby volunteer tomato/potato plants."
],
"products": [
"Chlorothalonil",
"Mancozeb",
"Metalaxyl-M"
]
},
"tomato_wilt": {
"crop": "Tomato",
"name": "Tomato Bacterial Wilt",
"cause": "A soil bacterium (Ralstonia solanacearum) that blocks the plant's water channels β sudden wilting with no spots.",
"treatment": [
"Uproot wilted plants now β there is no spray cure.",
"Do not plant tomato, pepper or garden egg in that soil for 2-3 seasons.",
"Improve drainage; the bacteria love wet, warm soil.",
"Use grafted or resistant seedlings and fresh soil next time."
],
"products": [
"No chemical cure β sanitation only"
]
},
"tomato_septoria": {
"crop": "Tomato",
"name": "Tomato Septoria Leaf Spot",
"cause": "A fungus (Septoria lycopersici) making many small circular grey-centred spots on lower leaves.",
"treatment": [
"Remove infected lower leaves as soon as spots appear.",
"Spray mancozeb or chlorothalonil every 7-10 days.",
"Mulch and avoid overhead watering to stop splash spread.",
"Rotate crops and clear all debris at season end."
],
"products": [
"Mancozeb",
"Chlorothalonil"
]
},
"tomato_tylcv": {
"crop": "Tomato",
"name": "Tomato Yellow Leaf Curl Virus",
"cause": "A virus spread by whiteflies. Leaves curl up, turn yellow at the edges, and the plant stays stunted.",
"treatment": [
"Control whiteflies β they spread the virus. Use yellow sticky traps and neem/insecticide.",
"Remove and destroy badly infected plants.",
"Cover young seedlings with fine net in the nursery.",
"Plant TYLCV-tolerant tomato next season."
],
"products": [
"Neem oil",
"Imidacloprid (for whitefly)"
]
},
"cocoa_healthy": {
"crop": "Cocoa",
"name": "Healthy Cocoa",
"healthy": true
},
"cocoa_blackpod": {
"crop": "Cocoa",
"name": "Cocoa Black Pod",
"cause": "A water-mould (Phytophthora palmivora/megakarya) causing brown-black spreading rot on pods; worst in the wet season.",
"treatment": [
"Harvest often and remove and bury all infected pods to break the cycle.",
"Spray a copper fungicide on pods during the rains, following COCOBOD timing.",
"Prune the canopy and clear weeds to lower humidity and improve airflow.",
"Improve drainage and avoid water pooling under trees."
],
"products": [
"Copper hydroxide",
"Metalaxyl + copper"
]
},
"cocoa_cssvd": {
"crop": "Cocoa",
"name": "Cocoa Swollen Shoot Virus",
"cause": "A virus spread by mealybugs. Causes swollen shoots/roots, red vein-banding then leaf yellowing, and tree death. A major threat in Ghana.",
"treatment": [
"Report to COCOBOD/CHED β infected trees must be cut out, including a ring of surrounding trees.",
"Control mealybugs (and the ants that protect them).",
"Replant cleared areas with tolerant/mild-strain cocoa material.",
"Use a barrier crop and certified seedlings to slow re-infection."
],
"products": [
"Cut out infected trees (CHED)",
"Imidacloprid (for mealybug)"
]
},
"cocoa_capsid": {
"crop": "Cocoa",
"name": "Cocoa Capsids (Mirids)",
"cause": "Sap-sucking insects (Sahlbergella/Distantiella) that feed on pods and shoots, leaving black lesions and causing dieback ('capsid blight').",
"treatment": [
"Scout pods and young shoots regularly for feeding lesions.",
"Apply a COCOBOD-recommended insecticide at the advised times (usually AugβDec).",
"Maintain good overhead shade β capsids prefer broken, sunny canopies.",
"Prune and remove chupons (suckers) that capsids feed on."
],
"products": [
"Bifenthrin",
"Acetamiprid"
]
},
"cashew_healthy": {
"crop": "Cashew",
"name": "Healthy Cashew",
"healthy": true
},
"cashew_anthracnose": {
"crop": "Cashew",
"name": "Cashew Anthracnose",
"cause": "A fungus (Colletotrichum) causing dark sunken spots on leaves, flowers and young nuts, especially in humid flowering periods.",
"treatment": [
"Prune to open the canopy and remove infected flush and panicles.",
"Spray a copper or triazole fungicide at flushing and flowering.",
"Collect and destroy fallen infected leaves and nuts.",
"Avoid dense planting; keep trees well spaced."
],
"products": [
"Copper oxychloride",
"Tebuconazole"
]
},
"cashew_gumosis": {
"crop": "Cashew",
"name": "Cashew Gummosis",
"cause": "A fungal canker (Lasiodiplodia) on the trunk and branches that oozes gum and causes dieback, often after stress or wounds.",
"treatment": [
"Cut out cankered bark/branches back to healthy wood and burn them.",
"Paint the clean wound with a copper paste or fungicide sealant.",
"Avoid injuring the trunk; manage drought and termite stress.",
"Remove and destroy severely affected trees."
],
"products": [
"Copper paste",
"Carbendazim"
]
},
"cashew_leafminer": {
"crop": "Cashew",
"name": "Cashew Leaf Miner",
"cause": "A tiny moth larva (Acrocercops) that tunnels inside young leaves, leaving silvery blotches and shrivelled new flush.",
"treatment": [
"Remove and burn heavily mined young leaves and flush.",
"Spray a systemic insecticide during the new flush only when damage is high.",
"Encourage natural predators and parasitic wasps.",
"Keep trees vigorous so they push healthy new flush."
],
"products": [
"Acetamiprid",
"Neem oil"
]
},
"plantain_healthy": {
"crop": "Plantain",
"name": "Healthy Plantain",
"healthy": true
},
"plantain_sigatoka": {
"crop": "Plantain",
"name": "Black Sigatoka",
"cause": "A fungus (Mycosphaerella fijiensis) causing dark streaks that merge into large dead patches, cutting yield and ripening fruit early.",
"treatment": [
"Cut off and remove badly infected leaves (deleafing) and destroy them.",
"Improve drainage and widen spacing to lower humidity.",
"Spray a protectant fungicide (mancozeb) where pressure is high.",
"Remove old leaves and weeds around the mat regularly."
],
"products": [
"Mancozeb",
"Propiconazole"
]
},
"plantain_bbtv": {
"crop": "Plantain",
"name": "Banana Bunchy Top Virus",
"cause": "A virus spread by aphids and infected suckers. Leaves bunch at the top, become narrow and upright with dark green 'dot-dash' streaks; plants are stunted.",
"treatment": [
"Destroy infected mats completely (kill the plant, then dig out the corm).",
"Control aphids that spread the virus.",
"Use only clean, virus-free suckers or tissue-culture plants.",
"Do not move suckers from affected fields to clean ones."
],
"products": [
"No spray cure β destroy mats + clean suckers"
]
},
"plantain_panama": {
"crop": "Plantain",
"name": "Panama Disease (Fusarium Wilt)",
"cause": "A soil fungus (Fusarium oxysporum) that blocks water flow. Older leaves yellow and collapse; cutting the stem shows brown vascular streaks.",
"treatment": [
"There is no cure β remove and destroy affected plants and avoid spreading the soil.",
"Plant resistant varieties in infested fields.",
"Do not move soil, tools or suckers from sick fields to clean ones.",
"Improve drainage and soil health to slow spread."
],
"products": [
"No cure β resistant varieties + sanitation"
]
},
"yam_healthy": {
"crop": "Yam",
"name": "Healthy Yam",
"healthy": true
},
"yam_anthracnose": {
"crop": "Yam",
"name": "Yam Anthracnose",
"cause": "A fungus (Colletotrichum gloeosporioides) causing dark brown-black leaf and stem blotches that can scorch the whole vine in wet weather.",
"treatment": [
"Use clean, healthy seed yam (setts) from disease-free fields.",
"Spray mancozeb or a copper fungicide at first symptoms, repeating in wet spells.",
"Stake vines and weed well to keep foliage dry and open.",
"Plant tolerant varieties and rotate fields."
],
"products": [
"Mancozeb",
"Copper oxychloride"
]
},
"yam_mosaic": {
"crop": "Yam",
"name": "Yam Mosaic Virus",
"cause": "A virus spread by aphids and infected setts. Leaves show green mosaic, mottling and distortion; tubers are smaller.",
"treatment": [
"Select clean seed yam from healthy, symptom-free plants only.",
"Rogue out (remove) and destroy plants showing mosaic early.",
"Control aphids that spread the virus.",
"Use virus-tested planting material where available."
],
"products": [
"No spray cure β clean setts"
]
},
"pepper_healthy": {
"crop": "Pepper",
"name": "Healthy Pepper",
"healthy": true
},
"pepper_bacterialspot": {
"crop": "Pepper",
"name": "Pepper Bacterial Spot",
"cause": "A bacterium (Xanthomonas) causing water-soaked then dark scabby spots on leaves and fruit; spreads in warm, wet weather.",
"treatment": [
"Use clean, certified seed and disease-free seedlings.",
"Spray a copper-based bactericide early and after rains.",
"Avoid handling plants when wet; rotate away from pepper/tomato for 2 years.",
"Remove and destroy badly infected plants."
],
"products": [
"Copper oxychloride",
"Copper + mancozeb"
]
},
"pepper_anthracnose": {
"crop": "Pepper",
"name": "Pepper Anthracnose",
"cause": "A fungus (Colletotrichum) causing sunken, dark, ringed spots on ripening fruit (also called fruit rot); worse in the rains.",
"treatment": [
"Pick and destroy infected fruit promptly; do not leave them in the field.",
"Spray mancozeb or a copper fungicide from fruit set, repeating in wet weather.",
"Use clean seed and stake plants to keep fruit off the soil.",
"Harvest ripe fruit early and rotate crops."
],
"products": [
"Mancozeb",
"Azoxystrobin"
]
},
"cowpea_healthy": {
"crop": "Cowpea",
"name": "Healthy Cowpea",
"healthy": true
},
"cowpea_blight": {
"crop": "Cowpea",
"name": "Cowpea Bacterial Blight",
"cause": "A bacterium (Xanthomonas) causing water-soaked spots that turn brown with yellow haloes on leaves, stems and pods.",
"treatment": [
"Plant clean, certified seed and resistant varieties.",
"Remove and destroy infected plants and debris after harvest.",
"Avoid working among wet plants; rotate with cereals.",
"Spray a copper bactericide only if pressure is high."
],
"products": [
"Resistant seed",
"Copper oxychloride"
]
},
"cowpea_mosaic": {
"crop": "Cowpea",
"name": "Cowpea Mosaic Virus",
"cause": "A virus spread by aphids (and beetles/seed). Leaves show light-and-dark green mosaic, blistering and puckering; pods are poor.",
"treatment": [
"Use virus-free certified seed from a reliable source.",
"Rogue out (remove) and destroy mosaic plants early.",
"Control aphids with neem or an approved insecticide.",
"Grow resistant cowpea varieties and avoid old infected fields nearby."
],
"products": [
"Virus-free seed",
"Neem oil"
]
},
"cowpea_cercospora": {
"crop": "Cowpea",
"name": "Cowpea Cercospora Leaf Spot",
"cause": "A fungus (Cercospora) making reddish-brown to grey leaf spots that cause early leaf drop in humid weather.",
"treatment": [
"Remove lower infected leaves and crop debris.",
"Spray mancozeb or a triazole fungicide at first symptoms.",
"Use wider spacing and rotate with non-legume crops.",
"Plant tolerant varieties where available."
],
"products": [
"Mancozeb",
"Tebuconazole"
]
},
"groundnut_healthy": {
"crop": "Groundnut",
"name": "Healthy Groundnut",
"healthy": true
},
"groundnut_leafspot": {
"crop": "Groundnut",
"name": "Groundnut Leaf Spot",
"cause": "Fungi (Cercospora/Cercosporidium) causing many dark brown spots (early and late leaf spot) that drop leaves and cut pod yield.",
"treatment": [
"Spray chlorothalonil or mancozeb from about 30 days, repeating every 10-14 days.",
"Remove crop debris and rotate with cereals.",
"Use wider spacing for airflow and avoid overhead watering.",
"Plant leaf-spot-tolerant groundnut varieties."
],
"products": [
"Chlorothalonil",
"Mancozeb"
]
},
"groundnut_rosette": {
"crop": "Groundnut",
"name": "Groundnut Rosette",
"cause": "A virus complex spread by aphids. Plants are stunted with bunched, yellow or mottled leaves ('rosetting'); can cause near-total loss.",
"treatment": [
"Sow early and at a denser spacing to escape and limit aphid spread.",
"Control aphids with neem or an approved insecticide.",
"Rogue out (remove) rosetted plants as soon as seen.",
"Plant rosette-resistant varieties where available."
],
"products": [
"Resistant variety",
"Imidacloprid (for aphid)"
]
},
"groundnut_rust": {
"crop": "Groundnut",
"name": "Groundnut Rust",
"cause": "A fungus (Puccinia arachidis) making orange-brown powdery pustules on the underside of leaves; often with leaf spot.",
"treatment": [
"Spray a triazole or mancozeb fungicide at first pustules, often combined with leaf-spot sprays.",
"Remove volunteer groundnut and debris between seasons.",
"Use wider spacing and rotate fields.",
"Plant rust-tolerant varieties."
],
"products": [
"Tebuconazole",
"Mancozeb"
]
},
"rice_healthy": {
"crop": "Rice",
"name": "Healthy Rice",
"healthy": true
},
"rice_blast": {
"crop": "Rice",
"name": "Rice Blast",
"cause": "A fungus (Magnaporthe oryzae) causing spindle-shaped grey-centred lesions on leaves and rotting at the neck of the panicle.",
"treatment": [
"Plant blast-resistant varieties and use clean seed.",
"Avoid heavy nitrogen at once β split applications instead.",
"Spray tricyclazole at early symptoms and before heading where pressure is high.",
"Keep good water management and remove infected debris."
],
"products": [
"Tricyclazole",
"Resistant seed"
]
},
"rice_blb": {
"crop": "Rice",
"name": "Bacterial Leaf Blight",
"cause": "A bacterium (Xanthomonas oryzae) causing yellow then straw-coloured drying that spreads from the leaf tips and edges.",
"treatment": [
"Use clean, resistant seed and avoid clipping seedling tips.",
"Apply balanced fertiliser β avoid excess nitrogen.",
"Drain the field periodically; avoid flowing water between plots.",
"Remove infected stubble and weed hosts after harvest."
],
"products": [
"Resistant seed",
"Copper + balanced N"
]
},
"rice_brownspot": {
"crop": "Rice",
"name": "Rice Brown Spot",
"cause": "A fungus (Bipolaris oryzae) making many small brown oval spots; strongly linked to poor or unbalanced soil nutrition.",
"treatment": [
"Correct soil nutrition (especially potassium) β the main long-term fix.",
"Use clean, treated seed and resistant varieties.",
"Spray mancozeb at early symptoms where severe.",
"Improve water and field management."
],
"products": [
"Balanced fertiliser (K)",
"Mancozeb"
]
},
"okra_healthy": {
"crop": "Okra",
"name": "Healthy Okra",
"healthy": true
},
"okra_yvmv": {
"crop": "Okra",
"name": "Okra Yellow Vein Mosaic Virus",
"cause": "A virus spread by whiteflies. Leaf veins turn bright yellow in a network pattern; fruit is small, pale and hard.",
"treatment": [
"Control whiteflies with yellow sticky traps and neem/insecticide.",
"Rogue out (remove) and destroy infected plants early.",
"Use resistant okra varieties and clean seed.",
"Remove nearby weed hosts of whiteflies."
],
"products": [
"Resistant variety",
"Imidacloprid (for whitefly)"
]
},
"okra_leafspot": {
"crop": "Okra",
"name": "Okra Leaf Spot",
"cause": "Fungi (Cercospora/Alternaria) making brown to greyish spots on leaves that can merge and drop the foliage in humid weather.",
"treatment": [
"Remove infected lower leaves and crop debris.",
"Spray mancozeb or chlorothalonil at first symptoms.",
"Use wider spacing and avoid overhead watering.",
"Rotate with non-okra crops next season."
],
"products": [
"Mancozeb",
"Chlorothalonil"
]
},
"gardenegg_healthy": {
"crop": "Garden Egg",
"name": "Healthy Garden Egg",
"healthy": true
},
"gardenegg_wilt": {
"crop": "Garden Egg",
"name": "Garden Egg Bacterial Wilt",
"cause": "A soil bacterium (Ralstonia solanacearum) that blocks water flow β plants wilt suddenly and die, often with no leaf spots.",
"treatment": [
"Uproot and remove wilted plants now β there is no spray cure.",
"Do not replant garden egg, tomato or pepper in that soil for 2-3 seasons.",
"Improve drainage; the bacteria thrive in wet, warm soil.",
"Use grafted/resistant seedlings and clean soil next time."
],
"products": [
"No chemical cure β sanitation only"
]
},
"gardenegg_leafspot": {
"crop": "Garden Egg",
"name": "Garden Egg Leaf Spot",
"cause": "A fungus (Cercospora/Phomopsis) causing brown spots on leaves and fruit rot, especially in wet, crowded plantings.",
"treatment": [
"Remove infected leaves and rotten fruit and destroy them.",
"Spray mancozeb or chlorothalonil every 7-10 days.",
"Stake plants and widen spacing for airflow.",
"Rotate crops and use clean seed."
],
"products": [
"Mancozeb",
"Chlorothalonil"
]
},
"mango_healthy": {
"crop": "Mango",
"name": "Healthy Mango",
"healthy": true
},
"mango_anthracnose": {
"crop": "Mango",
"name": "Mango Anthracnose",
"cause": "A fungus (Colletotrichum) causing black spots on leaves and flowers and sunken black rot on fruit; worst in humid flowering weather.",
"treatment": [
"Prune to open the canopy and remove dead, infected twigs and mummified fruit.",
"Spray a copper or mancozeb fungicide at flowering and early fruit set.",
"Collect and destroy fallen infected fruit and leaves.",
"Harvest carefully and treat fruit with a warm-water dip to reduce storage rot."
],
"products": [
"Copper oxychloride",
"Mancozeb"
]
},
"mango_bacterialspot": {
"crop": "Mango",
"name": "Mango Bacterial Black Spot",
"cause": "A bacterium (Xanthomonas) causing angular black, often raised, leaf spots and cracked black lesions on fruit; spread by wind-driven rain.",
"treatment": [
"Prune out and burn infected twigs and use windbreaks to slow spread.",
"Spray copper sprays at flushing, flowering and early fruit.",
"Avoid overhead irrigation; manage trees for good airflow.",
"Plant tolerant varieties where black spot is common."
],
"products": [
"Copper oxychloride",
"Copper hydroxide"
]
}
} |