怎样科学繁殖荷花？科学繁殖荷花的方式

植物图片 2019-10-09 09:41

荷花

科学繁殖荷花的方式

荷花播种繁殖和分藕繁殖皆可，而多采用分藕繁殖。

清明前后长江流域一带，气温升至15℃以上时，是分藕的最好时期。若植于池塘通常采用主藕作种藕，缸、盆栽时，主藕、子藕、孙藕均可用。不论是塘植还是缸、盆栽植，各类种藕都要有完整无损的顶芽、腰芽和尾芽，每段至少3节。

栽植时应施足底肥，用手托住藕身，保护顶芽，成20°～30°，斜插入泥，并让尾节翘露泥面。初栽时水宜浅，待长出钱叶后逐渐加深水位。

播种用新莲子与旧莲子皆可。莲子无休眠期，随采随播也能萌发。播种适温17℃～24℃，长江流域一带4月中下旬至5月最为适合，北方宜迟。

莲壳紧密坚硬，必须经过“破头”处理（即将莲子凹进的一端破一小口，露出种皮），然后投入盛有清水的器皿中浸泡3～5日，水深以浸没莲子为度，每天换水1次。当浸种的莲子长出2—3片幼叶时，便可在备有沃泥的无孔小花盆内播种。播种时，将莲子卧放盆边，每盆1粒，徐徐按下，让莲背平泥面。当莲苗立叶挺出水面，将连泥脱盆移植于填有稀泥的较大盆中。

注意勿让盆泥散落，也勿折损叶柄。池塘播种也要“破头”浸种，然后撒播在水深10～15厘米的池塘湖泥中。1周后可萌发新根嫩叶，1月后浮叶出水。

专题： 荷花
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