Abstract:
:Herbicides are important tools for weed control in modern agriculture. In the search for potential herbicidal natural products from fungal species, harzianum A and B were identified from the biofertilizer fungus, Trichoderma brevicompactum. In the phytotoxicity assays on the dicot species Brassica chinensis, harzianum A and B reduced both shoot and root lengths at low concentrations and inhibited the seed germination at 2 μg mL-1. In addition, harzianum A and B also exhibited phytotoxicity against monocots, Oryza sativa L. cv. Nipponbare and Echinochloa crusgalli L. Beauv.. Compared with a common herbicide, 2,4-dichlorophenoxyacetic acid, harzianum A and B performed similar activity in a pot assay, and were more effective in post-emergence than pre-emergence conditions. Harzianum A and B have potential as efficient herbicide for controlling important dicotyledon and monocotyledon weeds at low concentrations. They can be sprayed in liquid form in both pre- and post-emergence conditions. Our results confirmed the importance of these molecules for the development of new herbicides.
journal_name
AMB Expressjournal_title
AMB Expressauthors
Yin M,Fasoyin OE,Wang C,Yue Q,Zhang Y,Dun B,Xu Y,Zhang Ldoi
10.1186/s13568-020-01055-xsubject
Has Abstractpub_date
2020-07-01 00:00:00pages
118issue
1issn
2191-0855pii
10.1186/s13568-020-01055-xjournal_volume
10pub_type
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