What is used as germicide in Horticulture?

In horticulture, various substances are used as germicides to control pathogens and promote plant health. Common germicides include copper-based compounds, such as copper sulfate, and synthetic chemicals like chlorothalonil and mancozeb. Additionally, natural alternatives such as hydrogen peroxide and neem oil are also employed for their antimicrobial properties. These germicides help prevent diseases caused by fungi, bacteria, and viruses in plants.