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T: +86-400-0987187
E: info@sdjinmai.com
E: info@sdjinmai.com
No. 6888 Jiankang East Street, High-tech Zone, Weifang, Shandong, China
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JINMAI-Defender® Copper Phosphite Fungicide is a high-efficiency water-soluble fertilizer that supplies crops with readily absorbed phosphorus in the +3 valence state, along with potassium, copper, boron, and zinc. Compared with traditional phosphate fertilizers (+5 valence), +3-valent phosphorus is absorbed more rapidly and translocated more efficiently, ensuring a quick and effective nutrient supply to plants.
The product utilizes slow-release copper ion technology, combining the systemic properties of phosphite with the antimicrobial action of copper. This dual mechanism not only enhances crop growth and improves yield quality, but also helps control bacterial and fungal diseases such as bacterial wilt, leaf blight, and canker.
Technical Indicators
| Formula | P2O5(+3 valence) 320g/L, K2O 250g/L, Cu 5g/L, B 1g/L, Zn 1g/L |
| Appearance | Blue Liquid |
Release Type | Quick |
Model Number | 100ml/1L |
| Density | 1.30 g/ml |
| pH (1:250) | 6.5±0.5 |
| Characteristic | 100% Water Soluble |
Function | Bactericidal Effect on Plant Bacterial Wilt, Leaf Blight, Canker |
Application | Vegetables, Fruit Trees, Cash Crops, Grain Crops |
| Origin | Shandong, China |
| OEM&ODM | Logo, Package, Graph, Formula Customized |
Key Features
Product Efficacy
⦁ Root Growth Promotion
Enhances root vitality, improves nutrient uptake.
⦁ Flower & Fruit Retention
Reduces flower and fruit drop, improves fruit set.
⦁ Disease Resistance
Strong suppression of bacterial and fungal infections.
⦁ Nutrient Supplementation
Provides balanced macro- and micro-elements (P, K, Cu, B, Zn).
⦁ Yield & Quality Enhancement
Improves fruit firmness, uniformity, color, and storage life.
Applications
 | Vegetables ⦁ Suitable Crops: Tomato, cucumber, pepper, eggplant, leafy greens ⦁ Function: Prevents bacterial wilt and blight, improves yield and taste. |
 | Fruit Trees ⦁ Suitable Crops: Citrus, apple, mango, grape, banana ⦁ Function: Enhances fruit setting, improves sweetness, color, and disease resistance. |
 | Cash Crops ⦁ Suitable Crops: Cotton, tobacco, sugarcane ⦁ Function: Prevents vascular bacterial diseases, improves fiber/sugar content. |
 | Grain Crops ⦁ Suitable Crops: Rice, wheat, maize, soybean ⦁ Function: Strengthens roots, reduces disease incidence, increases yield stability. |
Method Of Use
Method | Phenological Period | Dosage | Frequency |
| Drip irrigation | Whole growth period | 200-500 ml/ha | Every 7-10 days |
| Fertigation | 0.5-1 L/ha | Every 10-15 days | |
| Foliar spray | Dilute 800-1200 times | Use 2-3 times continuously |
Note: The specific usage and dosage can be adjusted according to the differences in regions, crop types, yields, etc, under the advice of technical personnel.
Optimal Application Timing
Seedling Stage: Strengthens root development and reduces early disease infection.
Pre-Flowering Stage: Enhances flower bud differentiation and prevents flower drop.
Fruit Development Stage: Improves fruit setting, firmness, and disease resistance.
Disease Prevention Stage: Apply at early onset or as preventive treatment against bacterial wilt, leaf blight, and canker.
Precautions
1. Mixing Order: When combining with other products, follow this sequence: water → this product → other products.
2. Compatibility: Compatible with most pesticides. Always conduct a compatibility test before first use.
3. Storage: Store in a cool, well-ventilated place, away from direct sunlight.
4. Safety: Keep out of reach of children; Not for human or animal consumption; In case of eye contact, rinse thoroughly with water and seek medical attention immediately.
