随着我国农业产业结构的调整及西部大开发战略的实施,草产业愈来愈受到国家和广大人民的重视,退耕还林、还草,草地品种改良,提高栽畜能力已成为全国农业发展策略的一件大事。 作为“牧草之王”的紫花苜蓿,以其适应范围广,产量高,牧草品质好、耐频繁刈割,持久性好,清除田间原有杂草,改土增肥及经济效益和饲用价值高等优点,为世界各国广泛采用,我国也不例外,乞今为止紫花苜蓿是我国种植面积最大的人工牧草品种。就苜蓿种子而言,由于我国牧草种业起步晚,规模小,自有品种少,且大多为农民或牧民自产自用,种量不足。所以近几年国外紫花苜蓿品种大量 With the adjustment of China’s agricultural industrial structure and the implementation of the strategy for the development of the western region, the grass industry is receiving more and more attention from the country and the general public. The project of returning farmland to forestland, grassland and grassland and improving stocking ability has become a national agricultural development strategy A big event. Alfalfa, as the king of pasture, has wide range of application, high yield, good forage quality, frequent mowing, long lasting, clear original weeds in the field, soil improvement and fertilizer, economic benefits and fodder value Higher advantages, widely used in all countries in the world, our country is no exception, begging so far alfalfa is China’s largest cultivated artificial forage species. As for the alfalfa seeds, due to the late start of the forage industry in our country, small scale and few self-owned varieties, mostly farmers or herdsmen produce their own use and the quantity is insufficient. Therefore, alfalfa varieties abroad in recent years a large number