| abstract |
The present invention relates to the field of agrochemicals. In particular, the present invention relates to an agent against a plant virus, the agent comprising a small molecule agent represented by formula (I) or a pharmaceutically acceptable salt containing the chemical structure represented in formula (I), wherein R 1 is selected from hydrogen, nitro, nitroso, sulfo, carboxyl, amino or azo, halogen, C 1-10 alkyl, linear C 2-10 alkenyl, or linear alkynyl. C 2-10 . The small molecule agent according to the present invention has a good inhibitory effect on viral silencing suppressors. As evidenced by pharmacodynamic experiments, the small molecule agent according to the present invention has a highly effective antiviral effect. |