毛主席指出:“艺术和科学中的是非问题,应当通过艺术界科学界的自由讨论去解决,通过艺术和科学的实践去解决,而不应当采取简单的方法去解决。”“品种内杂交理论”是苏联学者李森科于1935年首次提出的。在苏联,曾被奉为良种繁育工作的指导原理。我国解放后,这一理论作为遗传育种的一般原理介绍到我国,对育 Chairman Mao pointed out: “Non-issues in art and science should be solved through free discussions in the scientific community of art circles and resolved through artistic and scientific practices rather than simple methods.” "Is the Soviet scholar Lysenke first proposed in 1935. In the Soviet Union, it was regarded as the guiding principle for the breeding of fine varieties. After the liberation of our country, this theory was introduced to our country as a general principle of genetic breeding and breeding