METALAXYL HAY PHOSPHONATE? VÌ SAO XÌ MỦ TRỊ MÃI KHÔNG DỨT?

Metalaxyl and phosphonate are often mentioned when treating sap exudation related to Phytophthora. However, these two groups are not entirely the same in terms of mechanism of action, systemic distribution, risk of resistance, and timing of application. So, which one should you choose when the sap exudation is just beginning? How should you treat it when the disease has penetrated deep into the bark, trunk, or root system? Should you alternate or combine these two groups? This video will help you understand the advantages and limitations of Metalaxyl and phosphonate, and also explain why many orchards with continuous use of pesticides still experience recurring sap exudation. Note: Not all sap exudation is caused by Phytophthora. It is necessary to inspect the affected area, the root system, drainage conditions, and identify the correct cause before treatment. Always use the correct product for the crop, at the correct dosage, and according to the instructions on the label. #XiMu #Phytophthora #Metalaxyl #Phosphonate #KienThucNongNghiep