Herbicidal efficacy of harzianums produced by the biofertilizer fungus,Trichoderma brevicompactum

文献类型： 外文期刊

第一作者： Yin, Miaomiao

作者： Yin, Miaomiao;Fasoyin, Opemipo Esther;Wang, Chen;Yue, Qun;Zhang, Yunyun;Xu, Yuquan;Zhang, Liwen;Dun, Baoqing

作者机构：

关键词： Trichoderma brevicompactum; Harzianum; Brassica chinensis; Echinochloa crusgalliL; Beauv; Phytotoxicity

期刊名称：AMB EXPRESS （ 影响因子：3.298； 五年影响因子：3.427 ）

ISSN： 2191-0855

年卷期： 2020 年 10 卷 1 期

页码：

收录情况： SCI

摘要： 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 speciesBrassica chinensis, harzianum A and B reduced both shoot and root lengths at low concentrations and inhibited the seed germination at 2 mu g mL(-1). In addition, harzianum A and B also exhibited phytotoxicity against monocots,Oryza sativaL. cv. Nipponbare andEchinochloa crusgalliL. 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.

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