Crop Guide – Potatoes
PLEASE REMEMBER TO ALWAYS READ THE LABEL BEFORE USING ANY CHEMICAL
Fertilizer Program
| Growth Stage | Gypsum | Kyno Pop | 10.24.20 | M.A.P Tech | Calcium Nitrate | Mag Sulphate | Veggie Grow | Enermax | Kyno Plus | Pot Nitrate | N | P₂O₅ | K₂O | CaO | MgO | S | B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre-Planting | 1500kg/ha | 345 | 180 | ||||||||||||||
| Planting | 10kg/ha | 1200kg/ha | 120 | 312 | 240 | 60 | 1.8 | ||||||||||
| At Tuber Initiation | 2kg/ha | 3kg | |||||||||||||||
| 4-5 weeks after Emergence | 200kg | 3kg | 31 | 53 | 0.6 | ||||||||||||
| 6 weeks | 7kg | 3kg | 100kg/ha | 46 | 0.1 | ||||||||||||
| 8 weeks | 3kg | 0.5kg/ha | 150kg/ha | 19.5 | 57 | 0.23 | |||||||||||
| 10 weeks | 3kg | 0.5kg/ha | 150kg/ha | 19.5 | 57 | 0.23 | |||||||||||
| Totals | 1500kg/ha | 10kg/ha | 1200kg/ha | 2kg/ha | 200kg | 7kg | 9kg | 3kg/ha | 100kg/ha | 300kg/ha | 236 | 312 | 345 | 398 | 0 | 240 | 2.96 |
Pre-Planting
Gypsum: 1500kg/ha
CaO: 345S: 180
Planting
Kyno Pop: 10kg/ha
10.24.20: 1200kg/ha
N: 120P₂O₅: 312K₂O: 240S: 60B: 1.8
At Tuber Initiation
M.A.P Tech: 2kg/ha
Veggie Grow: 3kg
4-5 weeks after Emergence
Calcium Nitrate: 200kg
Veggie Grow: 3kg
N: 31CaO: 53B: 0.6
6 weeks
Mag Sulphate: 7kg
Veggie Grow: 3kg
Kyno Plus: 100kg/ha
N: 46B: 0.1
8 weeks
Veggie Grow: 3kg
Enermax: 0.5kg/ha
Pot Nitrate: 150kg/ha
N: 19.5K₂O: 57B: 0.23
10 weeks
Veggie Grow: 3kg
Enermax: 0.5kg/ha
Pot Nitrate: 150kg/ha
N: 19.5K₂O: 57B: 0.23
Totals
Gypsum: 1500kg/ha
Kyno Pop: 10kg/ha
10.24.20: 1200kg/ha
M.A.P Tech: 2kg/ha
Calcium Nitrate: 200kg
Mag Sulphate: 7kg
Veggie Grow: 9kg
Enermax: 3kg/ha
Kyno Plus: 100kg/ha
Pot Nitrate: 300kg/ha
N: 236P₂O₅: 312K₂O: 345CaO: 398MgO: 0S: 240B: 2.96
Chemical Program
| Target Pest / Disease | Product For Control | Active Ingredient | Dosage Per Ha | Comments |
|---|---|---|---|---|
| Soil Nutrition | Gypsum | Calcium Sulphate | 500-200kgs | Apply just before or just after |
| Soil Treatment | Monceren 250EC | Penoycuron | 2-5 lt | Control of Rhizoctonia black scurf. Application rate depending on seed quality and severity of disease |
| Azoxy Duo | Azoxystrobin + Difenaconazole | 1lt/ha | Apply as a furrow spray | |
| Ortiva 250SC | Azoxybstrobin | 1lt/ha | Apply as a furrow spray | |
| Sprouting | Giberrellic Acid | Giberrellic Acid | Mix 16mls/100lt water and dip potato seed in mixture for 3 to 4 minutes and then sun dry before storing | |
| Pre-Emergent Herbicide | Metribuzin | Metribuzin | 600-900mls | Application rate depending on clay % |
| Dual Magnum | S-Metalachlor | 1-1.5lt/ha | Application rate depending on clay % | |
| Frontier Optima | Dimethanemid-p | 0.7-1.2lt | Application rate depending on clay % | |
| Post Emergent Grasses | Fusilade Forte | Fluazifop-p-butyl | 1.5-2lt | Application rate depending on grass size |
| Post Emergent B/Leaf & Nutsedge | Basagran | Bendioxide + Thiasidiasine | 3lt | |
| Nematicide | Velum 400SC | Fluopyram | 2-2.5lt | Mix 2.5lt at planting. Furrow or pivot application nematicide which can give 60 days early blight protection as a side effect |
| E.D.B | Ethlyene Dibromide | 14lt | Furrow application 2 to 3 weeks before planting | |
| Abamiprid | Abamectin | 3lt | Furrow or pivot application | |
| Bio Fungicide, Virucide & Root Stimulant | Kiplant VS-04 | Chitosan based | 10lt | Furrow or pivot application |
| Bio Fungicide & Bactericide | Cuperdem | Copper | 3lt | Furrow or pivot application |
| Bio Stimulant | Messenger | Harpin | 100g | Furrow or pivot application |
| Cutworms | Decis Forte | Deltamethrin | 60ml | Application timing is immediately after transplanting |
| Karate Zeon | Lambda-cyhalothrin | 200ml | Application timing is immediately after transplanting | |
| Soil Pests, Cutworm & 6 week control in land | Plesiva Star 60WG | Cyantraniliprole + Pymetrozine | 270g | Application as a soil application. Gives 6 weeks control after application in lands including whitefly, leaf miner and chewing insects |
| Soil Pests | Confidor 70WG | Imidacloprid | 280g | Apply as soil application |
| Routine Contacts | Antracol 70WP | Propineb | 2.5kg | Start application 21 days after emergence. Apply every 7 days in 500lt water/ha as direct cover spray over rows. Increase spray volume with crop size. If late blight is present between sprays, intervals should be shortened to 5 days |
| Mancozeb 80WP | Mancozeb + Diathane | 2.5kg | ||
| Bravo 720SC | Chorothalonil | 3lt | ||
| Kiplant VS-04 | Chitosan based | 1.5lt | ||
| Cuperdem | Copper | 1.5lt | ||
| Early Blight | Mancozeb 80WP | Mancozeb | 2.5kg | Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart when weather conditions favour the disease. Not more than 6 sprays should be applied per crop cycle. |
| Copper Hydroxide | Copper Hydroxide | 2.5kg | ||
| Ridomyl Gold | Metalaxyl + Mancozeb | 2.5kg | ||
| Twist 500SC | Trifloxystrobin | 150ml | ||
| Nativo 300SC | Tebuconazole + Trifloxystrobin | 800ml | ||
| Folicur 250EW | Tebuconzole | 500ml | ||
| Cabrio Duo | Pyraclostrobin + Difenaconazole | 2.5kg | ||
| Azoxy Duo 325SC | Azoxystrobin + Difenconazole | 500ml | ||
| Aphids, Thrips & Caterpillars | Karate Zeon | Lambda-cyhalothrin | 500ml | Karate Zeon has a quick knockdown effect on these pests |
| Decis Forte | Deltamethrin | 300ml | Decis Forte is a synthetic pyrethroid with contact and stomach action which controls a wide range of insects | |
| Thunder 140OD | Beta-cyfluthrin & Imidacloprid | 330ml | Thunder has excellent systemic properties and a significant residual activity, particularly against sucking insects such as aphids, leaf hoppers, thrips, leaf miners and white flies | |
| Sivanto Prime | Flupyradifurone | 400ml | Sivanto Prime is a new insecticide from Bayer for the control of a range of sucking insect pests and has an outstanding safety profile | |
| Vayego 200SC | Tetraniliprole | 50ml | Vayego is a powerful, innovative insecticide that provides quick antifeedant and residual activity on all life stages from egg to adult | |
| Plesiva Star 60WG | Cyantraniliprole + Pymetrozine | 270g | Apply as a soil application | |
| Magmectin Ultra Duo 112EC | Emmamectin Benzoate + Acetamiprid | 250ml | A broad spectrum acaricide and insecticide for the control of mainly spidermites, lepidoptera pests, thrips, aphids and leaf miners in potatoes | |
| Whitefly, Thrips & Leaf Miner | Abamiprid 120SL | Abamiprid + Acetamiprid | 200ml | Abamiprid 120SL is a combination of acetamiprid and abamectin. It has larvicidal and ovicidal activity |
| Magmectin Ultra Duo 112EC | Emmamectin Benzoate + Acetamiprid | 250ml | A broad spectrum acaricide and insecticide for the control of mainly spidermites, lepidoptera pests, thrips, aphids and leaf miners in potatoes | |
| Plesiva Star 60WG | Cyantraniliprole + Pymetrozine | 270g | Apply as a soil application | |
| Triguard & Dynamec | Cromazine / Abamectin | 200g / 500ml | In combination, will kill adults and eggs | |
| Cartap | Cartap Hydrochloride | 2kg | Apply as full cover spray | |
| Calypso | Thiacloprid | 300ml | Apply as full cover spray | |
| Ampligo 150ZC | Chlorantraniliprole | 400ml | Application timing and frequency should be based on economic thresholds. Apply as required by scouting. To control boring species, time applications before they bore into the fruits or stems | |
| Sivanto Prime | Flupyradifurone | 400ml | Sivanto Prime is a new insecticide from Bayer for the control of a range sucking insect pests and has an outstanding safety profile | |
| Vayego 200SC | Tetraniliprole | 50ml | Vayego is a powerful, innovative insecticide that provides quick antifeedant and residual activity on all life stages from egg to adult | |
| Thrips & Red Spider | Dynamec | Abamectin | 500ml | |
| Abamiprid 120SL | Abamectin + Acetamiprid | 200ml | Abamectin 120SL is a combination of acetamprid and abamectin. It has larvicidal and ovicidal activity. | |
| Belt 480SC | Flubendiamide | 100ml | Apply as full cover spray | |
| Tuber Moth & Caterpillars | Vayego 200SC | Tetraniliprole | 50ml | Vayego 200SC is a powerful, innovative insecticide that provides quick antifeedant and residual activity on all life stages from egg to adult |
| Karate Zeon | Lambda-cyhalothrin | 200ml | Karate Zeon has a quick knockdown effect on these pests | |
| Decis Forte | Deltamethrin | 100ml | Decis Forte is a synthetic pyrethroid with contact and stomach action which controls a wide range of insects | |
| Late Blight | Azoxy Duo 325SC | Azoxystrobin + Difenconazole | 500ml | Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart |
| Cuperdem | Copper | 3lt | Apply as a full cover spray on first signs of infection. Can also be applied at planting for early protection | |
| Melody Duo 69WG | Iprovalicarb + Propineb | 2.5kg | Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart | |
| Infinito WG | Propamocarb Hydrochloride + Fluopicolide | 1.2kg | Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart | |
| Ridomyl Gold | Metalaxyl + Mancozeb | 2.5kg | The disease is soil borne, sprays with Ridomyl Gold; a high systemic fungicide with protective and curative attributes which effectively controls the disease | |
| Cabrio Duo | Pyraclostrobin + Dimethomorph | 2.5kg | Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart | |
| Bacterial Infections | Copper Hydroxide | Copper Hydroxide | 2.5kg | Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart when weather conditions favour the disease |
| Kasugamycin 4SL | Kasugamycin | 1.2lt |
Soil Nutrition
Soil Treatment
Product: Monceren 250EC
Active: Penoycuron
Dosage: 2-5 lt
Comments: Control of Rhizoctonia black scurf. Application rate depending on seed quality and severity of disease
Product: Azoxy Duo
Active: Azoxystrobin + Difenaconazole
Dosage: 1lt/ha
Comments: Apply as a furrow spray
Sprouting
Product: Giberrellic Acid
Active: Giberrellic Acid
Comments: Mix 16mls/100lt water and dip potato seed in mixture for 3 to 4 minutes and then sun dry before storing
Pre-Emergent Herbicide
Product: Metribuzin
Active: Metribuzin
Dosage: 600-900mls
Comments: Application rate depending on clay %
Product: Dual Magnum
Active: S-Metalachlor
Dosage: 1-1.5lt/ha
Comments: Application rate depending on clay %
Product: Frontier Optima
Active: Dimethanemid-p
Dosage: 0.7-1.2lt
Comments: Application rate depending on clay %
Post Emergent Grasses
Product: Fusilade Forte
Active: Fluazifop-p-butyl
Dosage: 1.5-2lt
Comments: Application rate depending on grass size
Post Emergent B/Leaf & Nutsedge
Nematicide
Product: Velum 400SC
Active: Fluopyram
Dosage: 2-2.5lt
Comments: Mix 2.5lt at planting. Furrow or pivot application nematicide which can give 60 days early blight protection as a side effect
Product: E.D.B
Active: Ethlyene Dibromide
Dosage: 14lt
Comments: Furrow application 2 to 3 weeks before planting
Bio Fungicide, Virucide & Root Stimulant
Bio Fungicide & Bactericide
Bio Stimulant
Cutworms
Product: Decis Forte
Active: Deltamethrin
Dosage: 60ml
Comments: Application timing is immediately after transplanting
Product: Karate Zeon
Active: Lambda-cyhalothrin
Dosage: 200ml
Comments: Application timing is immediately after transplanting
Soil Pests, Cutworm & 6 week control in land
Product: Plesiva Star 60WG
Active: Cyantraniliprole + Pymetrozine
Dosage: 270g
Comments: Application as a soil application. Gives 6 weeks control after application in lands including whitefly, leaf miner and chewing insects
Soil Pests
Routine Contacts
Product: Antracol 70WP
Active: Propineb
Dosage: 2.5kg
Comments: Start application 21 days after emergence. Apply every 7 days in 500lt water/ha as direct cover spray over rows. Increase spray volume with crop size. If late blight is present between sprays, intervals should be shortened to 5 days
Early Blight
Product: Mancozeb 80WP
Active: Mancozeb
Dosage: 2.5kg
Comments: Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart when weather conditions favour the disease. Not more than 6 sprays should be applied per crop cycle.
Aphids, Thrips & Caterpillars
Product: Karate Zeon
Active: Lambda-cyhalothrin
Dosage: 500ml
Comments: Karate Zeon has a quick knockdown effect on these pests
Product: Decis Forte
Active: Deltamethrin
Dosage: 300ml
Comments: Decis Forte is a synthetic pyrethroid with contact and stomach action which controls a wide range of insects
Product: Thunder 140OD
Active: Beta-cyfluthrin & Imidacloprid
Dosage: 330ml
Comments: Thunder has excellent systemic properties and a significant residual activity, particularly against sucking insects such as aphids, leaf hoppers, thrips, leaf miners and white flies
Product: Sivanto Prime
Active: Flupyradifurone
Dosage: 400ml
Comments: Sivanto Prime is a new insecticide from Bayer for the control of a range of sucking insect pests and has an outstanding safety profile
Product: Vayego 200SC
Active: Tetraniliprole
Dosage: 50ml
Comments: Vayego is a powerful, innovative insecticide that provides quick antifeedant and residual activity on all life stages from egg to adult
Product: Plesiva Star 60WG
Active: Cyantraniliprole + Pymetrozine
Dosage: 270g
Comments: Apply as a soil application
Product: Magmectin Ultra Duo 112EC
Active: Emmamectin Benzoate + Acetamiprid
Dosage: 250ml
Comments: A broad spectrum acaricide and insecticide for the control of mainly spidermites, lepidoptera pests, thrips, aphids and leaf miners in potatoes
Whitefly, Thrips & Leaf Miner
Product: Abamiprid 120SL
Active: Abamiprid + Acetamiprid
Dosage: 200ml
Comments: Abamiprid 120SL is a combination of acetamiprid and abamectin. It has larvicidal and ovicidal activity
Product: Magmectin Ultra Duo 112EC
Active: Emmamectin Benzoate + Acetamiprid
Dosage: 250ml
Comments: A broad spectrum acaricide and insecticide for the control of mainly spidermites, lepidoptera pests, thrips, aphids and leaf miners in potatoes
Product: Plesiva Star 60WG
Active: Cyantraniliprole + Pymetrozine
Dosage: 270g
Comments: Apply as a soil application
Product: Triguard & Dynamec
Active: Cromazine / Abamectin
Dosage: 200g / 500ml
Comments: In combination, will kill adults and eggs
Product: Ampligo 150ZC
Active: Chlorantraniliprole
Dosage: 400ml
Comments: Application timing and frequency should be based on economic thresholds. Apply as required by scouting. To control boring species, time applications before they bore into the fruits or stems
Product: Sivanto Prime
Active: Flupyradifurone
Dosage: 400ml
Comments: Sivanto Prime is a new insecticide from Bayer for the control of a range sucking insect pests and has an outstanding safety profile
Product: Vayego 200SC
Active: Tetraniliprole
Dosage: 50ml
Comments: Vayego is a powerful, innovative insecticide that provides quick antifeedant and residual activity on all life stages from egg to adult
Thrips & Red Spider
Product: Abamiprid 120SL
Active: Abamectin + Acetamiprid
Dosage: 200ml
Comments: Abamectin 120SL is a combination of acetamprid and abamectin. It has larvicidal and ovicidal activity.
Tuber Moth & Caterpillars
Product: Vayego 200SC
Active: Tetraniliprole
Dosage: 50ml
Comments: Vayego 200SC is a powerful, innovative insecticide that provides quick antifeedant and residual activity on all life stages from egg to adult
Product: Karate Zeon
Active: Lambda-cyhalothrin
Dosage: 200ml
Comments: Karate Zeon has a quick knockdown effect on these pests
Product: Decis Forte
Active: Deltamethrin
Dosage: 100ml
Comments: Decis Forte is a synthetic pyrethroid with contact and stomach action which controls a wide range of insects
Late Blight
Product: Azoxy Duo 325SC
Active: Azoxystrobin + Difenconazole
Dosage: 500ml
Comments: Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart
Product: Cuperdem
Active: Copper
Dosage: 3lt
Comments: Apply as a full cover spray on first signs of infection. Can also be applied at planting for early protection
Product: Melody Duo 69WG
Active: Iprovalicarb + Propineb
Dosage: 2.5kg
Comments: Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart
Product: Infinito WG
Active: Propamocarb Hydrochloride + Fluopicolide
Dosage: 1.2kg
Comments: Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart
Product: Ridomyl Gold
Active: Metalaxyl + Mancozeb
Dosage: 2.5kg
Comments: The disease is soil borne, sprays with Ridomyl Gold; a high systemic fungicide with protective and curative attributes which effectively controls the disease
Product: Cabrio Duo
Active: Pyraclostrobin + Dimethomorph
Dosage: 2.5kg
Comments: Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart
Bacterial Infections
Product: Copper Hydroxide
Active: Copper Hydroxide
Dosage: 2.5kg
Comments: Start applications preventatively before disease symptoms appear. Apply in blocks of 2 consecutive sprays 7-10 days apart when weather conditions favour the disease