(Mao, April 23), June 7, 1855, the famous Russian botanist Michurin birthday. Michurin

, born June 7, 1855, so in 1935, is a Russian plant breeder. He made an outstanding contribution to the cultivation of fruit trees, there are more than 300 kinds of lifelong bred new fruit tree varieties. Michurin proposed, the basic principle of biology is the main object and the unity of the living conditions. He believes that the biological highly selective living conditions, living conditions play a leading role in the development of biological and genetic variation. Inherited one of the basic characteristics of biological, hereditary is also in the process of ontogenetic change and development to obtain traits can be inherited. Human control living conditions, or sexual or asexual hybrid, domesticated and other means to shake and change of plant genetic the directed cultivation, to create new varieties of human. Mainly significant as there are "principles and methods", "six decades summary of the work" the Michurin revenue the Lysenko editor of "Michurin's death" target = "_blank"> The Complete Works of ".