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MORDI EUA - HOUMA TREES 2025 /2026
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MONTHTREATMENT FORINPUTTREES TO BE TREATEDAPPLICATION RATECOMMENTSDATE APPLIED
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WINTERJuly
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AugustNutrition - NitrogenFertiliser (YaraBela CAN-27TM)Oranges ONLY
Mandarin ONLY
1.85kg/tree applied to soil under full canopy & watered in
1.85kg/tree applied to soil under canopy & watered in
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Scale control & surfactantPetroleum Oil (DC-Tron Spray OilTM), at a reduced rate mixed with the KocideTM Entire orchard100g KocideTM, mixed with 200mL DC TronTM and 100g Zinc Sulphate Heptahydrate in a 100L
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Melanose, spot, scabCopper Hydroxide (KocideTM) Fungicide with the DC Tron Spray Oil*
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Zinc deficiencyZinc Sulphate Hepatahydrate
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SPRINGSeptemberManagnese, Zinc & Fungicide (Black spot, Rust Mite & Melanose)MancozebTM*Entire orchard160g/100L *4 weeks from previous Copper Hydroxide
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OctoberScale controlPetroleum Oil (DC-Tron Spray OilTM) Entire orchard1000ml/100L
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Boron deficiencySoluborTM Entire orchard150g/100L
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Managnese, Zinc & Fungicide (Black spot, Rust Mite & Melanose)MancozebTM*Entire orchard160g/100L *4 weeks from previous Copper Hydroxide
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SUMMERDecemberSurfactant & scale controlPetroleum Oil (DC-Tron Spray OilTM), at a reduced rate mixed with the AbemectinTMFruiting citrus ONLY13g Abamectin, mixed with 200mL DC TronTM /100L
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Mite controlAbamectinTM* mixed with DC TronTo be used only ONCE in a season.
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JanuaryScale controlPetroleum Oil (DC-Tron Spray OilTM) Entire orchard1000ml/100L
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FebruaryNutrition - PotassiumPotassium SulphateEntire orchard700g/tree applied to soil under canopy & watered in
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AUTUMNMarchFruit FlyFruit Fly Protein Bait Spray with thickener & insecticide
Male annihililation MAT blocks at 20 per hactare replace every 3 months.		Trees approaching fruiting maturityTrees approaching fruiting maturity with fruit about to colour should be sprayed with Bait Spray. It is as the sugars come into the fruit that the fruit flies will attack, we want to prevent this. Strip spray mid-foliage with KNAPSACK (not mistblower as this may spread too far). To be applied every 7 days or after rain during the fruit ripening season. Once mixed the solution needs to be used within 24 hours. Spot spray in areas where fruit is thin and band spray for heavier fruiting trees.
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AprilScale controlPetroleum Oil (DC-Tron Spray OilTM) Entire orchard1000ml/100L
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Calcium deficiencyGypsum PowderEntire orchard2kg/tree applied to soil under full canopy & watered in
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May
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WINTERJuneRust Mite on fruitWettable Sulfur* (KumulusTM)Entire orchard450g/100L *Must be applied 21 days away from DC Tron application
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Nutrition - PhosphorusSuper-ten FertiliserEntire orchard400g/tree* applied to soil under full canopy & watered in
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VERSIONVersion 01 drawn up on 26 Feb 2025
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NOTES
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JANMitesReport - MitesEntire orchardReport on mite activity: using a magnifying glass every fortnight until harvest sample 5 fruit from every second tree in the front 8 rows of citrus. When results show that the incidence of mite is more than 1 in every 10 fruit. A spray of Abamectin needs to be applied at a rate of 2mL/13L knapsack. Bear in mind that Abamectin is very powerful and resisitance may develop if overused. Please ensure full repoting of this in the monthly reports.
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MAYMitesReport - MitesEntire orchardCease mite reporting
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Nitorgen required% N in productnumber of applicationsper app
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5000.27271851.8518524462.962963
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