案例研究
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Introduction to Coppera
Fungicide
Coppera (Pyraclostrobin 100g/L + Copper Oxychloride 300g/L SC) has a unique formula with obvious synergy and multiple benefits. Copper Oxychloride has multi-site contact function and protective ability. The released copper ions act on the -SH, -N2H, -COOH, -OH, and other groups in the proteins of fungi, bacteria, or viruses. The copper ions penetrate the pathogen cells and denature and coagulate the proteins. Pyraclostrobin, on the other hand, has a protective and curative effect by inhibiting the mitochondrial respiration of pathogenic fungi.
Benefits
- Disease prevention
Coppera prevents fungal and bacterial diseases, including difficult ones, with just one-time application. The multi-site fungicide makes the crops less likely to develop resistance.
- Safe and secure
Sunjoy Agro has the leading suspension concention manufacturing technology in China. The average particle size of Coppera SC is less than 2 microns. The PH value is around 7.2.
- Long-lasting synergy
Coppera can resist rain erosion and provide long-lasting protection. This is because copper ions are released slowly, resulting in a long protection period. Additionally, it can form a dense protective film on the front and back of the leaves.
- Stress resistance and increased yield
Pyraclostrobin is beneficial to crop growth, such as enhancing crop tolerance to adverse environments and increasing crop yield. Moreover, Copper ions can make fruits and vegetables appear bright in color and make their surfaces smooth and shiny.
Suggestions
|
Crop |
Disease |
Application rate |
|
Citrus |
Scab, Melanose, Canker |
Foliar spray: dilute 1000-1500 times before or at the beginning of the disease. |
|
Cucumber |
Bacterial angular leaf spot, Downy mildew |
Foliar spray: dilute 1000 times before or at the beginning of the disease. |
|
Watermelon |
Leaf blight, Vine blight, Wilt, Soft rot, Bacterial fruit rot |
Foliar spray: dilute 1000 times at vegetative growth or young fruit stage. |
|
Tomato Pepper |
Bacterial leaf spot, Bacterial wilt, Blight, Anthracnose |
Foliar spray: dilute 1000 time s before or at the beginning of the disease. Irrigation of roots to control bacterial wilt should be used after crop transplanting. |
|
Apple |
Leaf blight, Brown spot, Anthracnose |
Foliar spray: dilute 1500-2000 times after bagging the apples. Spray 1-2 times depending on disease condition. |
|
Grape |
Downy mildew, Anthracnose, Ripe rot, Ring spot |
Foliar spray: dilute 1000-1500 times before or at the beginning of the disease. Use it 2-3 times before flowering, young fruit or after bagging. |
|
Garlic Onion |
Leaf blight, Bacterial soft rot |
Foliar spray: dilute 1000-1500 times before or at the beginning of the disease. |
Performance Results
1.1 Test purpose
Apple Alternaria Leaf Spot is caused by infection with Alternaria mali rob. and primarily affects apple leaves and can also cause damage to petioles, annual branches, and fruits. The premature leaf fall weakens the tree, reduces fruit yield and quality, and increases susceptibility to other bacterial infections during storage, eventually resulting in rotting. This disease is endemic in apple-producing regions worldwide. The purpose of this study is to verify the control effect of Coppera on Apple Altermaria Leaf Spot.
1.2 Fungicide and Experiment
|
No. |
Fungicide |
Dilution factor |
Active ingredient amount(mg/kg) |
|
A |
Pyraclostrobin 100g/L + Copper Oxychloride 300g/L SC |
1667 |
240 |
|
B |
Pyraclostrobin 100g/L + Copper Oxychloride 300g/L SC |
2000 |
200 |
|
C |
Pyraclostrobin 100g/L + Copper Oxychloride 300g/L SC |
2500 |
160 |
|
D |
Pyraclostrobin 250g/L EC |
2000 |
125 |
|
E |
Copper Oxychloride 30% SC |
800 |
375 |
|
F |
Pyraclostrobin 5%+Metiram 55% WG |
2000 |
300 |
1.3 Results
The data reflect applications on 5/26, 6/6, and 6/20 in 2016. Control Effectiveness was tested on 7/4. The test field was located in Qinhuangdao City, Hebei Province. The test variety was the “Red Fuji” Apple. The experiment was conducted at the spring shoot stage of the apple.
1.4 Conclusion
Under the conditions of this experiment, Coppera was safe for the tested apple varieties. It had a better control effect on apple altermaria leaf spot than the control group. Therefore, Coppera can be used for the prevention and treatment of apple altermaria leaf spot and the recommended active ingredient amount is 160-240 mg/kg.
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