You actually don't know what you're talking about. Lysenko made many positive accomplishments.

http://imichurin.narod.ru/liu2004.htm

One of Lysenko’s greatest contributions in plant physiology is that he put forward the concept of vernalization and the theory of phasic development of plants, which have been recognized internationally, and were highly praised even by his strongest critics among geneticists, such as VavilovIn the middle of the 1930s, Lysenko reposed the problem of conversion and proved that the conversion of winter wheat and spring wheat could be realized by skillful training.

Based on the works of Darwin and Michurin, Lysenko not only recognized the existence of graft hybrid, but also applied graft hybridization to the practice of plant breeding. According to incomplete statistics, there were about 500 papers on graft hybridization published in Soviet Union during 1950-1958 (Zu and Li [1964])... Over the past decades, however, several independent groups of scientists repeatedly showed that graft-induced variant characteristics were stable and inheritable (Shinoto [1955]; Frankel [1956]; Zu and Li [1964]; Ohta [1991]; Taller et al. [1998], [1999]; Fan [1999]; Hirata et al. [2003]).