Ⅰ优选品种与壮苗根据黑龙江省不同区域的气候与土壤特点,可选择戈雷拉、春香、威斯塔尔、宝交早生、明晶、鬼怒甘和红手套等。选用种苗时,一定保证其纯度在98%以上。壮苗标准:具有5～6片展开叶,根茎粗1.0厘米以上,苗全株重20～30克,根重占1/3,无病虫害。其中促成栽培要求花芽分化早,花芽发育充实;半促成栽培与露地栽培也要求花芽分 Ⅰ Preferred Varieties and Strong Seedlings According to the climate and soil characteristics in different regions of Heilongjiang Province, you can choose from Gorella, Chunxiang, Wistar, Baojiaoyuan, Mingjing, Guihui Ganhe Red Gloves and so on. Selection of seedlings, must ensure that the purity of more than 98%. Strong seedling standard: with 5 to 6 leaf expansion, rhizome more than 1.0 cm, the whole plant weight 20 to 30 grams, root weight accounted for 1/3, no pests and diseases. Which led to early flower bud differentiation requires differentiation, flower bud development enrichment; semi-induced cultivation and open-field cultivation also requires flower bud points