我省人工种植元胡已有多年,初期产量较高,亩产达1000斤以上。近年来亩产量下降,影响了药农的经济收入和种植积极性,市场上供应也较紧张。种植产量下降的原因,除了气候变化、栽培粗放以外,另一个原因就是不注意选种。栽培元胡一直是采用无性繁殖的方法,留种量大(每亩需留种茎100斤 The province has cultivated Yuanhu for many years. The initial yield is relatively high and the yield per mu is more than 1,000 pounds. In recent years, the decline in mu production has affected the economic income and planting enthusiasm of drug farmers, and the supply on the market has also been tense. The reason for the decline in planting production, in addition to climate change, extensive cultivation, another reason is not pay attention to seed selection. The cultivated Yuanhu has always been vegetatively propagated, leaving a large amount of seed (100 jins per acre of seed stems)