荸荠无论采用分株繁殖还是球茎繁殖都是先育苗后栽植。苗的质量优劣直接影响到栽植后的活棵期、抗御自然灾害和病虫为害的能力以及球茎的个数和重量。因此,培育荸荠健壮苗就成为夺取荸荠高产稳产的首要条件。 (一)严格选留种,保全苗 作为种用的荸荠必须在上一年植株生长的后期对地上部进行观察。地上部群体生长整齐一致,无倒伏或倒伏轻微,无病虫为害的田块定为留种田, Water chestnuts regardless of the use of ramets or bulbs breeding are the first after planting nursery. The quality of seedlings directly affects the survival of the plant after planting, the ability to resist natural disasters and pests and the number and weight of bulbs. Therefore, to cultivate the robust water chestnut seedlings become the first condition to seize the high and stable yield water chestnuts. (A) strict selection of species, seedlings to protect seedlings as a species of water chestnuts must plant growth in the latter part of the year on the ground to observe. Aboveground part of the population grow neatly, no lodging or lodging minor, pest-free plots set aside to stay farming,