Typical diseases caused by fungi are easy to appear after the rain becomes sufficient in spring. Common diseases, such as chlorothalonil and carbendazim, are very effective in garden plants, but I haven't used them on grapes, but the diseases are a type, and they are effective when used.

When you buy it for your own use, pay attention to wearing gloves when mixing medicines. If you use powder, you'd better wear a mask ~ ~ ~ avoid the high temperature period when using medicine. If you use it on a hot day, it is best to use it after 4 pm! ! ! !