July is hot and rainy, which is also the bell mouth period of corn, so diseases and insect pests are prone to occur. In this month, farmers should pay special attention to preventing and controlling various diseases and insect pests.

Today, let’s take a look at the common pests in July: brown spot

Brown spot disease is a high incidence period in summer, especially in hot and rainy weather. The disease spots are round or oval, purple-brown at the initial stage, and black at the later stage. The humidity is high this year. For low-lying plots, special attention should be paid to preventing top rot and brown spot disease and treating them in time.

Prevention and control methods: It is recommended to use triazole fungicides (such as tebuconazole, epoxiconazole, difenoconazole, propiconazole), azoxystrobin, trioxystrobin, thiophanate-methyl, carbendazim, Bacteria and so on.