Weed is a relative and anthropocentric concept rather than an absolute category. Plants which interfere with human activity in crop and non crop areas consider weeds. All weeds are non desirable plants but all non desirable plants may not be weeds. In different language weeds are just harmful plants, rather then it contains some advantages and economic value. Weeds commonly used as medicinal, fodder and food in cereal crops. It’s also contain some advantages like rapid growth, early maturation, environmental plasticity, resist environment, adaptation avid browsing etc.
