人们可以通过不同途径,不断创造适合人类各种不同需要的农作物新品种。最初的育种活动,是由农民自发进行或少数科学家开展此项工作。随着科学的不断进步和生产的不断发展,促进了育种工作的深入。从而使作物育种工作由自发到自觉地组织专门机构、培训专门人材来进行。经过不断实践、不断总结,目前 Through different channels, people can continually create new varieties of crops suitable for different needs of human beings. The initial breeding activity was spontaneous by farmers or a handful of scientists carried out this work. With the continuous progress of science and continuous development of production, the work of breeding has been promoted. So that the work of crop breeding from spontaneous to consciously organize specialized agencies, training of specialized personnel to carry out. After continuous practice, continue to summarize, at present