Georgii Karpechenko Biologist

Georgii Dmitrievich Karpechenko (1899, Velsk - July 28, 1941) was a Russian and Soviet biologist. His name has sometimes been transliterated as Karpetschenko. G. D. Karpechenko worked on cytology and created several hybrids. Among his contributions is his seminal work on allopolyploids, culminating in his creation of a fertile offspring of radishes and cabbages, the first instance of a new species obtained through polyploid speciation during experimental crossbreeding. He worked at the Institute of Applied Botany near Leningrad, but collaborated with geneticists in other countries, notably Øjvind Winge in Denmark and Erwin Baur in Germany. He also travelled abroad to the John Innes Horticultural Institution in London. He was arrested by the NKVD under the false grounds of belonging to an alleged "anti-Soviet group" centered around the well known Russian botanist Nikolai Vavilov who was his colleague at Leningrad. He was sentenced to death and executed on July 28, 1941.

Personal details

Date of birth
Russia,Russian Empire
Date of death
July 28th, 1941 at age of 42
Place of death
Moscow Oblast


1. Russian State Agricultural University Colleges/University

Moscow Agricultural Academy named after K.A. Timiryazev (full name in Russian: Российский государственный аграрный университет — МСХА имени К.А. Тимирязева) is one of the oldest agrarian educational institution in Russia. It was founded on December 3, 1865.

Institution colors
49, Timiryazevskaya street, 127550 - Moscow, Moscow
Official web page
Wikipedia article

People attended Russian State Agricultural University connected by profession and/or age

b. 1970., Politician
b. 1907., Politician
b. 1907., Military Person
b. 1887., Academic
b. 1884., Politician
b. 1935., Politician
b. 1950., Politician
b. 1886., Chemist



Brassicoraphanus is the name for all the intergeneric hybrids between the genera Brassica and Raphanus. The name comes from the combination of the genus names. Both diploid hybrids and allopolyploid hybrids are known and share this name. Early experimental crosses between species of these two genera had been sterile or nearly sterile, but large-scale experiments by Soviet agronomist Georgi Dmitrievich Karpechenko using Raphanus sativus and Brassica oleracea were remarkable because some of the plants produced hundreds of seeds. The second generation were allopolyploids, the result of gametes with doubled chromosome numbers. As Karpechenko realized, this process had created a new species, and it could justifiably be called a new genus, and proposed the name Raphanobrassica for them, but the earlier name Brassicoraphanus has priority. Plants of this parentage are now known as radicole.

Invention on wikipedia


Check Georgii Karpechenko on wikipedia.

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