Abstract: A field experiment for the management of late blight of potato by non- chemical method was conducted at Horticulture plot of Gokuleshor Agriculture and Animal Science College (GAASC) located in western hills of Baitadi district of Nepal during winter season of 2017. Field experiment was layed out in one factor RCBD which was replicated three times. Efficacy of 7 non chemical treatments was tested in Potato variety Desiree. The soil of experimental site was sandy loam with pH 5.93. The soil was medium in organic matter content and total nitrogen, high in available phosphorus and medium in available potassium.