Kocide Opti, WG
46.1 % Copper Hydroxide, equivalent to 30% metallic Cu
Kocide Opti, WG: fungicide registered in Georgia. Registration number: 1918, valid until 19.12.2028. Active ingredient: 46.1 % Copper Hydroxide, equivalent to 30% metallic Cu. Manufacturer: Cosaco LLC (USA). Approved crops: Grapevine, Apple, Pome fruit, Fruit trees, Peach, Nectarine, Apricot, Stone fruit and 36 more.
Product overview
- Active ingredient
- 46.1 % Copper Hydroxide, equivalent to 30% metallic Cu
- Formulation
- WG — water-dispersible granules
- Manufacturer
- Cosaco LLC, USA
- Registration in Georgia
-
№ 1918, of 19.12.2023
valid until 19.12.2028 - Fishery water bodies
- Use is prohibited in the sanitary zone of fishery water bodies — no closer than 200 m from the shore
Description
Kocide Opti, WG is a fungicide based on 46.1 % Copper Hydroxide, equivalent to 30% metallic Cu. It is registered for use in Georgia according to the State Register. Application rates, crops and treatment timing are given under “Application regulations”.
Application regulations
The regulations follow the State Catalogue of Pesticides of Georgia. Translations of crops, target organisms and application methods are unofficial; untranslated lines are shown in Georgian.
| Product rate (l/ha, kg/ha, l/t, kg/t) | Crop or treated object | Disease | Method, timing and specifics of application | Pre-harvest interval, days (number of treatments) | Re-entry to treated area, days: manual (mechanised) work |
|---|---|---|---|---|---|
| 2.0-2.5 | Grapevine | Downy mildew | spraying during the growing season from the bud separation stage, before and after flowering, at 10-14-day intervals until harvest. | 21 (4) | 7(3) |
| 2,0-3.0 | Apple | scab, common canker, late blightScabLate blight (Phytophthora) | spraying during the growing season at the green cone stage, subsequent treatment at 7-10-day intervals. volume 1000- 1200 g/ha | 28 (5-7) | 7(3) |
| 3.0-4.0 | Nectarine, Apricot, PeachPeachNectarineApricot | Shot hole (Clasterosporium), Peach leaf curl, Bacterial diseases | first spray in autumn after leaf fall | 15 (2) | 7(3) |
| 3.0-4.0 | Nectarine, Apricot, PeachPeachNectarineApricot | Shot hole (Clasterosporium), Peach leaf curl, Bacterial diseases | Spraying in early spring before bud break | - (1) | 7(3) |
| 3.0-4.0 | Citrus, Mandarin, Orange, Grapefruit, LemonMandarinOrangeLemonGrapefruit | anthracnose, mal secco, black spot, scab, late blight, PhomopsisScabLate blight (Phytophthora)AnthracnosePhomopsis cane and leaf spotBlack spot | spraying at the first disease symptoms at 1-day intervals | 21 (3-5) | 7(3) |
| 2.5-3.0 | Kiwi | Phomopsis, BotryosphaeriaPhomopsis cane and leaf spot | spraying after harvest but before leaf fall, after pruning, and two sprays before bud emergence at one-month intervals. | 14 (3) | 7(3) |
| 2.5-3.0 | Kiwi | Bacterial diseases | first spray in December after harvest, the next two sprays at 20-25-day intervals until bud opening. | 20 (3) | 7(3) |
| 2.0-4.0 | Almond | Bacterial diseases, AnthracnoseAnthracnoseBacterial diseases | first spray in early spring at bud swelling, second after 20 days, last treatment shortly after harvest. volume 1000 l/ha | 14 (2-3) | 7(3) |
| 2.0-4.0 | Walnut | Bacterial diseases, AnthracnoseAnthracnoseBacterial diseases | first spray in early spring at bud swelling, then 15-20 days before flowering. third right after the end of flowering. the next 2 treatments at 10-day intervals. | 20 (4-5) | 7(3) |
| 2.5-3.0 | Hazelnut, Pistachio | Bacterial diseases, AnthracnoseAnthracnoseBacterial diseases | first spray in early spring at bud swelling, second 1-1.5 months after flowering, third 20 days after the previous treatment, shortly after. after harvest, recommended at the end of November / beginning of December before pollination; volume 1000 l/ha. | 20 (3-4) | 7(3) |
| 2.5-4.5 | Olive | Agrobacterium, leaf spot (peacock eye), fruit rotLeaf spotFruit rot | spraying as soon as the first disease symptoms appear and every 10-14 days while conditions allow infection. | 21 (2-3) | 7(3) |
| 1.5-2.0 | Wheat, Barley | Fusarium, Powdery mildewPowdery mildewFusarium | Spraying during the growing season at the first symptoms of disease. | 30 (1-2) | 7(3) |
| 2.0-2.5 | tomato, eggplantEggplant | Fruit rot, Alternaria blight (early blight), Late blight (Phytophthora), Septoria leaf spotAlternaria blight (early blight)Late blight (Phytophthora)Septoria leaf spotFruit rot | spraying before flowering and subsequent treatments at 8-10-day intervals. volume 400 l/ha | 10 (4) | 7(3) |
| 2.0-2.5 | Pepper | Late blight (Phytophthora) | Spraying during the growing season at the first symptoms of disease. | 10 (2-3) | 7(3) |
| 2.0-2.5 | Watermelon, Cucumber, Pumpkin, MelonCucumberPumpkinWatermelonMelon | downy mildew, anthracnose, bacteriosis, powdery mildew, Alternaria blight,late blightPowdery mildewDowny mildewLate blight (Phytophthora)AnthracnoseBacterial diseases | spraying during the growing season at the first signs, then continued at 7-10-day intervals. | 10 (3-4) | 7(3) |
| 2.0-2.5 | Potato | Alternaria blight (early blight), Late blight (Phytophthora) | first spray at the start of flowering, the rest at 8-10-day intervals. volume 400- 500 l/ha | 10 (4) | 7(3) |
| 2.0 | Beans, Peas | Bacterial diseases, Powdery mildewPowdery mildewBacterial diseases | spraying during the growing season when the plant is 15 cm and then at 7-14-day intervals | 14 (2-3) | 7(3) |
| 1.5-2.0 | Beet, Celery, Radish, LettuceBeetRadishLettuceCelery | Leaf spot, Cercospora leaf spot, Septoria leaf spotSeptoria leaf spotLeaf spotCercospora leaf spot | spraying during the growing season as soon as disease symptoms appear, at 7-10-day intervals | 21(3)) | 7(3) |
| 2.0 | Sugar beet | Leaf spot, Cercospora leaf spot | spraying during the growing season as soon as disease symptoms appear, at 7-10-day intervals | 21 (3) | 7(3) |
| 1.5-2.0 | Blueberry, Berries, Strawberry, Blackberry, RaspberryStrawberryRaspberryBlackberryBlueberry | anthracnose, leaf spot, Monilinia rot, purple spot, bacteriosisAnthracnoseMonilinia blight and brown rotBacterial diseasesLeaf spot | first spray at the end of January / beginning of February, the next two sprays in March at 20-day intervals. volume 700- 800 l/ha | 15 (3) | 7(3) |
| 2.0-2.5 | Onion, Leek, GarlicLeekGarlic | downy mildew, purple spot, Alternaria blight, bacterial blightDowny mildewAlternaria blight (early blight)Leaf spotBacterial blight (fire blight) | spraying as soon as symptoms appear and at 10-14-day intervals while conditions allow infection. | 10 (2-3) | 7(3) |
Before use, check the product label and the current register. Source: National Food Agency of Georgia: lists of registered pesticides and agrochemicals (2026); State Catalogue of Pesticides (Order No. 2-729 of 26.11.2025). Data checked: 23.10.2026.
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Analogues by active ingredient
All analogues — 46.1 % Copper Hydroxide, equivalent to 30% metallic Cu →There are no other products with the same active ingredient in the catalogue.
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