Its not fascism, but it's really bad nonetheless and something that happens in fascism.
We've moved from politics being bounded by what the evidence can justify, through ignoring inconvenient evidence and consensuses, and hit "the party will decide what truth is." And ultimately it's a very bad position to be in.
Lysenko was as unable to convince the wheat to grow as he thought it should, as it was to convince him to plant it in a way that made it thrive.