1 种株选留茭白依靠分蘖和分株进行无性繁殖,常采用两种留种方法。第一种方法,把品质优良的秋茭老墩在12月份割去上部残株枯叶,整墩或劈半墩连泥挖起,寄植于秧田,待新茭苗长到20cm 以上时,把茭墩挖起用快刀顺着分蘖纵切分开,每小墩分蘖苗1～3株,可直接种于大田,该方法多应用于茭白春栽。第二种方法,在夏茭采收旺期时将品质优良的茭白选定留下,待茭白老青后,当老茭上产生的蘖芽有2～5cm 时连根拔起,割去上部叶鞘直接种植大田。该方法 One kind of plant selected to stay 茭 White rely on tillers and ramets for asexual reproduction, often using two kinds of stay species method. The first method, the good quality autumn 茭 old pier in December to cut off the upper leaves of the dead leaves, pier or splitting half mound with mud dredging, transplanted in seedling, until the new seedlings grow to more than 20cm, The pier dug with a sharp knife along the tiller slitting separately, each small pier tillering 1 to 3 strains, can be directly planted in the field, the method is more used in the spring white plant. The second method, in the summer Harvest harvesting season will be the best choice of high-quality white leave, until the old white-green, when old tiller buds have 2 ~ 5cm uprooted, cut the upper leaf sheath direct Growing fields. this method