一、国内外牧草引种概况中华民族的生存繁衍与文化发展都和植物引种驯化密切关联.粟是我国最早从野生植物中驯化的重要粮食和饲料作物,也是世界上最早驯化典范.随之,玉米、甘薯、马铃薯、苜蓿的引种驯化成我国特有品种. First, the introduction of pasture at home and abroad The survival and reproduction of the Chinese nation and cultural development are closely related to the introduction and domestication of plants. Su is the earliest domesticated from wild plants in the important food and feed crops, but also the world’s earliest domesticated model. , Sweet potato, potato, alfalfa introduced domestication into China’s unique varieties.