Distribution of fungal flora with special reference to Trichoderma population in soil samples of Krishi Vigyan Kendra of zone I of Bihar

Abstract

A field experiment was conducted during Kharif, 2013 and 2014, Collage of Agriculture, Rajendranagar and Hyderabad in Telangana state. Fourteen weed management practices were evaluated in a randomized complete block design, replicated thrice. Higher weed seed count (Number/kg soil) and dry weight (g/kg soil) at 0-10cm soil depth was recorded in T14 (weedy check) however it was on par with single application of herbicides penoxsulam, pyrazosulfuron ethyl, bispyribac sodium, pretilachlor and cyhalofop p butyl treatments. Major contribution towards weed seed bank was 36% grasses, 54% sedges and 35% broadleaves.