With lawyer I. I. Prezent, he developed a theory about how to induce rapid flowering in potato tubers.  
Along with Robert Williams, this man reluctantly promoted the "grassland scheme" of crop rotation.  This man liked to refer to his critics as slaves to Weismanism-Morganism.  One bizarre theory held by this man is that cuckoos were just song-birds which liked to eat caterpillars.  This man's downfall came after a panel judged that he had made up data about buttermilk yields.  This man, who refused to believe that (*) hormones were a thing, forced the US-born and future Nobel-winner H. J. Muller to leave the country.  With lawyer I. I. Prezent, he developed a theory about how to induce rapid flowering in potato tubers.  He held that wetting and cooling seeds would make them develop earlier, a concept known as vernalization, which he developed from the theories of Ivan Michurin.  For 10 points, name this opponent of Mendel, whose tenure as Director of the Moscow Institute of Genetics set back Soviet biology for decades.
Along with Robert Williams, this man reluctantly promoted the "grassland scheme" of crop rotation.  
Trofim Denisovich Lysenko