Mixture Metalaxyl 12% + Copper Oxide 60% WP Organic Fungicide Cocoa Tree and Coffee Tree
Metalaxyl 12% + copper oxide 60% WP is a wide spectrum fungicide, particularly efficient to control black pod disease of of cocoa trees, at the rate of 50 g for 15 litres of water. Apply during the period of formulation of cherelles and growth of podsm every 3 weeks.
Interval: 1 month
Product name: Metalaxyl 12% + copper oxide 60% WP
Pesticide category: Fungicide
CAS NO.: 57837-19-1/1317-39-1
Appearance (TC): White powder
Appearance (72%WP): Off-white powder
Brand name: Greenriver/ as per customers request.
Put 50g Metalaxyl 12% + copper oxide 60% WP into a sprayer (half-filled with water), mix thoroughly, then complete with water until 15 litres.
Metalaxyl: Mol. wt. 279.3 M.f. C15H21NO4 Form Fine, white powder. M.p. Tech. 63.5-72.3 ºC B.p. 295.9 °C/101 kPa V.p. 0.75 mPa (25 ºC) KOW logP = 1.75 (25 ºC) Henry 1.6 ´ 10-5 Pa m3 mol-1 (calc.) S.g./density 1.20 at 20 ºC Solubility In water 8.4 g/l (22 ºC). In ethanol 400, acetone 450, toluene 340, n-hexane 11, n-octanol 68 (all in g/l, 25 ºC). Stability Stable up to 300 ºC. Stable in neutral and acidic media at room temperature; on hydrolysis, DT50 (calc.) (20 ºC) >200 d (pH 1), 115 d (pH 9), 12 d (pH 10). pKa <<0
Copper oxide: Composition Contains 86% Cu++. Mol. wt. 143.1 M.f. Cu2O Form Red-brown powder. M.p. 1235°C B.p. 1800°C V.p. Negligible Solubility Practically insoluble in water and organic solvents. Soluble in dilute mineral acids and in aqueous ammonia and its salts. Stability Liable to oxidation to cupric oxide and to conversion to a carbonate on exposure to moist air.
Mode of Action:
Metalaxyl: Systemic fungicide with protective and curative action, absorbed through the leaves, stems, and roots.
Copper oxide: Foliar fungicide with preventative action. Deposits must be on the crop before fungal spores begin to germinate.