Herbicide comprising phytotoxins of Lasiodiplodia theobromae (LT) fungus, a process of producing the herbicide and a method of using the same

摘要

The invention relates to describe host-specific extracellular phytotoxins produced by Lasiodiplodia theobromae (LT, also Botryodiplodia theobromae) that has a broad range as a pre-emergent and/or post-emergent bioherbicide, this isolate has been deposited in Microbial Type Culture Collection, Chandigarh, India and given an accession number MTCC 3068, a method using LT-toxin has been developed for controlling certain herbs including Parthenium hysterophorus, duckweeds, jimsonweed, black nightshade, prickly sida and Euphorbia hirta, these phytotoxins can be used partially pure, as a cell-and spore-free filtrate, a crude filtrate, or a crude suspension of the culture and optionally along with other additives.