1·Ginger lotus flower bud shoots in the terminal bud, flowering at the same time, stem base hypertrophy gradually to form a round ball to the cone-shaped new bulb.
姜荷花新芽在顶芽花芽分化、开花的同时，茎基部逐渐肥大，形成圆球状至圆锥状的新球茎。
2·The key to the technique is to remove the terminal bud at seedling stage, so that the axillary buds of the first or the second pair of true leaves become double stem.
其关键技术是：于幼苗期摘除顶尖，使每单株第一对(或第二对)真叶叶腋间腋芽萌发成长为双茎。