🌿 Poltiglia Bordolese 20 PB or 20 WG – Copper Fungicide (Bordeaux Mixture)
📝 Product Description
Poltiglia refers to the classic Bordeaux mixture—a copper-based contact fungicide combining copper sulfate (CuSO₄) with hydrated lime (Ca(OH)₂). Available as either a wettable powder (20 PB) or water-dispersible granules (20 WG), it offers preventive protection against a wide range of fungal and bacterial diseases in vegetables, fruit trees, vines, and ornamentals.
🌱 Key Features
Active ingredient: 20% copper metal neutralized with lime (FRAC Group M1)
Provides preventive (contact) control against diseases such as mildew, leaf spot, anthracnose, gummosis, bacterial blight, and more
High adhesion, rainfastness, and uniform coverage
Suitable for organic farming and certified for use in EU organic agriculture systems
💧 Recommended Usage & Dosage
Applied as a foliar spray, directly dispersed in water without additional lime:
Fruit trees, vines, olives     3.75 – 6.25 kg                                         1,000 – 1,500 L
Leafy vegetables (lettuce, brassica)   2.5 – 5 kg                            600 – 1,000 L
Asparagus, artichoke, sugar beet, cucurbits   2.5 – 5 kg           600 – 1,000 L
Application frequency: Every 7–14 days, depending on disease pressure and conditions.
⚠️ Safety Precautions
Wear protective gear: gloves, eye protection, and long sleeves
Avoid application during flowering or in strong sunlight
Toxic to aquatic life—maintain buffer zones near water bodies
Do not mix with alkaline materials; observe longest pre-harvest interval when tank mixing