An attempt was made to study the bio-control efficacy of Pseudomonas Fluorscens on growth parameter of potato crop. Three type of treatment soil treatment, seed treatment and foliar treatment in combination with farm yard manure were given. The result was recorded at sixty days after sowing and ninety days after sowing and at the time of harvest. The best result was recorded in soil treatment followed by foliar treatment and seed treatment in comparison with control. Therefore from present investigation it is concluded that an eco-friendly biopesticide Pseudomonas Fluorscens is very easy to use and having no adverse effect on crops, people or animals and they can be applied to prevent and control several pathogenic fungi and grow healthy crop. The Pseudomonas Fluorscens can be used as a bio-control agent as it is low cost and profitable dependent system and it also helps in conserving the natural resource.