荷花种子的种植方法
荷花种子的种植方法,荷花种子皮坚硬如石,古莲子在25℃的温度下浸泡15个月,或在室温下浸泡20个月后,莲实重量没有变化,果皮也没有被微生物腐蚀的迹象,这足以证明莲实果皮是不透水和不透气的,萌发的幼小嫩芽难以突破果皮。
医学俗语“对症下药”,荷花种子处理也如此,针对果皮坚硬不透水和气以及种胚没有休眠期的特点,荷花种子种植前的处理有:
①荷花种子种植前处理
a.机械处理:所谓机械处理,就是给莲实做个小“手术”。具体操作方法很多。第一种方法是钳去莲实一端或两端1~2mm(以不伤害胚根、胚芽为度),钳后,放入垫两层、覆盖一层滤纸的培养皿中,保持恒温25℃,每天用清水冲洗1次,这样经过2天,莲实高兴地裂开了嘴,3天抽出嫩绿的胚芽,4天胚芽长到1cm长,发芽率能达95%。第二种方法是钻孔法,用锥子尖穿刺莲实果脐中央,以便通气进水。
c.浸水处理法:前面说的莲实浸泡15~20个未萌发,那是指“化石”莲,如果是新收获的莲实,有不少莲实经浸泡数周会有部分萌发的。
②实生苗上盆
用无泻水孔的小盆,装入配置士,实生苗种在盆中心,根系自然舒展,生长点微露土面,其上覆一层粗沙,压住表十,水不易混浊,苗不易漂浮。然后将小盆沉入室内水盆或浅水池中。水的深度以幼叶浮在水面为佳。苗期光照要充足,视苗的长势强弱而逐步通风炼苗,逐步适应室外的栽培环境。立叶长出2~3片时,即可移栽,以上就是关于荷花种子的种植方法的介绍。
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