The application discloses a Talaromyces purpureogenus and application thereof in weeding, and belongs to the technical field of bioengineering and weeding, wherein the Talaromyces purpureogenus is named as CY-1, is preserved in the China General
Microbiological Culture Collection Center, and has a preservation date of May 23, 2022 and a preservation number of CGMCC No.40203. Metabolic products of the Talaromyces purpureogenus CY-1 in the application can effectively inhibit broadleaf weeds such as amaranthus retroflexus,
alternanthera philoxeroides,
xanthium, chenopodium album,
solanum nigrum,
bidens pilosa, comphre,
sonchus oleraceus,
pteris cretica,
medicago sativa,
ipomoea hederifolia,
rumex patientia,
galium aparine,
abutilon theophrasti,
portulaca oleracea,
leonurus japonicus, veronica anagallis, and aster spathulifolius, and the Talaromyces purpureogenus CY-1 is green and efficient in weeding, and has a wide application prospect in weeding.