Do you know what the yellow spots that appear on corn leaves are? It’s corn rust!This is a common fungal disease on corn. The disease is more common in the middle and late stages of maize growth, and mainly affects maize leaves. In severe cases, ear, husk and male flowers can also be affected. The injured leaves were initially scattered or clustered with small yellowish blisters on both sides. With the development and maturity of the bacteria, the blisters expanded to round to oblong, obviously raised, and the color deepened to yellowish brown, and eventually the epidermis ruptured and spread out. Rust-colored powder.

How to prevent it?Agricultural experts gave 4 prevention suggestions:

1. The application method of long spray rod and straight nozzle is adopted to apply medicine to field corn, and drone application method can also be adopted.

2. The ideal fungicide formulations for rust prevention and control are: tebuconazole + tristrobin, difenoconazole + propiconazole + pyraclostrobin, epoxiconazole + pyraclostrobin, difenoconazole + pyraclostrobin Pyraclostrobin + Clostridium, etc.

3. Choose corn seeds that are more resistant to rust

4. Do a good job in preventing rust in advance, and you can spray some fungicides to prevent rust.