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.
| 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 |
Enhances root vitality, improves nutrient uptake.
Reduces flower and fruit drop, improves fruit set.
Strong suppression of bacterial and fungal infections.
Provides balanced macro- and micro-elements (P, K, Cu, B, Zn).
Improves fruit firmness, uniformity, color, and storage life.
 | 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 | Phenological Period | Dosage | Frequency |
| Foliar Spray | Vegetative growth stage, early disease prevention period | 1.5-2.5 L/ha (Dilute 800-1200 times) | Every 7-14 days |
| Drip Irrigation / Soil Drench | Root establishment stage, early vegetative growth | 2-3 L/ha | Every 15-20 days |
| Flowering & Fruit Setting Stage | Flower protection, fruit set, quality improvement | 1.5-2 L/ha | 1-2 applications |
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.
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.
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.
Copper phosphite fungicide is a liquid crop protection and nutrition formulation combining phosphite phosphorus, potassium, copper, boron, and zinc. It is designed to support plant health and disease management while supplying essential nutrients.
Based on the stated product application, it is designed for the management of diseases such as bacterial wilt, leaf blight, and canker. Actual disease-control claims and approved uses should follow the product label and local registration requirements.
The formulation combines phosphite and copper. Copper contributes to plant protection and disease-management programs, while phosphite provides a highly mobile phosphorus form that can support plant nutritional status and defense-related responses.
In addition to disease-management applications, copper phosphite supplies phosphite phosphorus, potassium, copper, boron, and zinc, helping support nutrient status, plant vigor, and overall crop health.
Yes, it can be used on suitable vegetable crops where the product is registered and labeled for that application. Application rates, crop compatibility, and spray intervals should always follow local label requirements.
Copper phosphite formulations can be used in disease-management and nutritional programs for fruit crops where permitted. The formulation may be particularly relevant to integrated programs targeting bacterial and fungal disease pressure.
The product is specifically described as being effective against bacterial wilt. However, bacterial wilt is a complex soil- and vascular-associated disease, so an integrated management strategy should generally be considered rather than relying on a single product.
Traditional copper fungicides primarily rely on copper compounds for protective activity. Copper phosphite combines copper with phosphite and additional nutrients, giving the formulation both plant nutrition and disease-management functions.
The liquid formulation is suitable for foliar application when permitted by the product label. Foliar use can provide direct nutrient delivery to plant tissues while supporting a broader crop protection program.
Its classification depends on the formulation, intended use, and local regulatory registration. Because this product is marketed for disease control, including bacterial wilt, leaf blight, and canker, its regulatory classification should be determined according to the target market and approved label.
