多年生(sheng)(sheng)水生(sheng)(sheng)草(cao)本;根(gen)狀莖橫(heng)生(sheng)(sheng),肥(fei)厚(hou),節間膨大,內(nei)有(you)多數(shu)縱行通氣(qi)孔道,節部縊(yi)縮,上生(sheng)(sheng)黑色(se)鱗葉(xie),下生(sheng)(sheng)須(xu)狀不(bu)定根(gen)。葉(xie)圓(yuan)形(xing)(xing),盾狀,直徑(jing)25-90厘米,全緣稍呈波狀,上面(mian)(mian)光滑,具白粉(fen),下面(mian)(mian)葉(xie)脈從(cong)中央射出(chu),有(you)1-2次叉狀分枝;葉(xie)柄粗壯,圓(yuan)柱(zhu)(zhu)形(xing)(xing),長1-2米,中空,外面(mian)(mian)散生(sheng)(sheng)小刺。花(hua)(hua)梗(geng)和(he)葉(xie)柄等長或稍長,也散生(sheng)(sheng)小刺;花(hua)(hua)直徑(jing)10-20厘米,美(mei)麗,芳(fang)香(xiang);花(hua)(hua)瓣(ban)紅(hong)色(se)、粉(fen)紅(hong)色(se)或白色(se),矩圓(yuan)狀橢圓(yuan)形(xing)(xing)至倒卵形(xing)(xing),長5-10厘米,寬3-5厘米,由外向內(nei)漸小,有(you)時變成雄蕊,先端(duan)圓(yuan)鈍(dun)或微尖;花(hua)(hua)藥條形(xing)(xing),花(hua)(hua)絲(si)細(xi)長,著生(sheng)(sheng)在花(hua)(hua)托之下;花(hua)(hua)柱(zhu)(zhu)極(ji)短(duan),柱(zhu)(zhu)頭(tou)頂生(sheng)(sheng);花(hua)(hua)托(蓮房)直徑(jing)5-10厘米。堅果(guo)橢圓(yuan)形(xing)(xing)或卵形(xing)(xing),長1.8-2.5厘米,果(guo)皮革質,堅硬(ying),熟時黑褐色(se);種子(蓮子)卵形(xing)(xing)或橢圓(yuan)形(xing)(xing),長1.2-1.7厘米,種皮紅(hong)色(se)或白色(se)。花(hua)(hua)期(qi)6-8月,果(guo)期(qi)8-10月。
碗蓮是一種微形(xing)荷花(hua),多年生(sheng)(sheng)(sheng)宿根水(shui)生(sheng)(sheng)(sheng)植物(wu)。地(di)下(xia)莖(jing)肥(fei)大有節(jie),稱(cheng)藕(ou)、橫生(sheng)(sheng)(sheng)于淤(yu)泥中(zhong),節(jie)間生(sheng)(sheng)(sheng)根并(bing)抽(chou)出葉(xie)(xie)(xie)片,全(quan)緣(yuan),盾狀園形(xing),深綠(lv),粗(cu)糙,布滿(man)短(duan)小鈍刺,刺與刺間有蠟(la)質(zhi)白粉,葉(xie)(xie)(xie)柄(bing)上倒生(sheng)(sheng)(sheng)較(jiao)密的剛刺。葉(xie)(xie)(xie)按照(zhao)生(sheng)(sheng)(sheng)長先(xian)后(hou)和形(xing)態,可(ke)分為“錢葉(xie)(xie)(xie)”(頂(ding)(ding)芽最初(chu)產生(sheng)(sheng)(sheng)的葉(xie)(xie)(xie))、“浮(fu)葉(xie)(xie)(xie)”(最早(zao)從藕(ou)帶上生(sheng)(sheng)(sheng)長而大于錢葉(xie)(xie)(xie),浮(fu)在水(shui)面(mian)的葉(xie)(xie)(xie))和“立葉(xie)(xie)(xie)”(后(hou)未(wei)從藕(ou)長出,并(bing)挺出水(shui)面(mian)的葉(xie)(xie)(xie))等3種。花(hua)單生(sheng)(sheng)(sheng)于花(hua)梗頂(ding)(ding)端(duan),呈桃形(xing)或圓筒形(xing),一般開花(hua)不結實。靠地(di)下(xia)莖(jing)(藕(ou))繁(fan)殖。花(hua)期6-9月。
該品種(zhong)花(hua)蕾(lei)桃型(xing)(xing),玫(mei)瑰紅色(se)。花(hua)粉紅色(se),花(hua)徑(jing)10-15厘(li)米。重瓣(ban)型(xing)(xing),著花(hua)繁密。雄蕊(rui)、雌蕊(rui)絕大部(bu)分(fen)瓣(ban)化,不結實。該品種(zhong)在第七(qi)屆全國荷展中獲一等獎。
碗(wan)(wan)蓮喜充足(zu)陽(yang)光,若(ruo)每天光照少于4小時,不能形成花芽。生育期間需(xu)(xu)放在(zai)向(xiang)陽(yang)陽(yang)臺上或窗臺向(xiang)陽(yang)處,使(shi)其接受全日照。當浮葉(xie)滿布(bu)盆面時,還應及時將浮葉(xie)壓(ya)入(ru)缽泥中(zhong),以免影響通風(feng)透光。碗(wan)(wan)蓮植(zhi)株嬌嫩,夏季和初秋季節中(zhong)午前后需(xu)(xu)適當遮陰,避(bi)免強(qiang)光直射(she)。若(ruo)遭(zao)到(dao)強(qiang)光直射(she),葉(xie)片(pian)及花瓣都(dou)易(yi)焦枯。
碗(wan)蓮炎夏是其生(sheng)(sheng)(sheng)長(chang)(chang)旺期。8℃-10℃萌(meng)芽,14℃藕鞭開始(shi)伸長(chang)(chang),23℃-30℃為生(sheng)(sheng)(sheng)長(chang)(chang)發育(yu)溫(wen)度,28℃以上(shang)開花,35℃以上(shang)生(sheng)(sheng)(sheng)長(chang)(chang)緩慢,40℃停止生(sheng)(sheng)(sheng)長(chang)(chang),甚(shen)至(zhi)死亡。忌雨(yu)后暴睛或大(da)風吹襲。25℃時生(sheng)(sheng)(sheng)長(chang)(chang)新藕。碗(wan)蓮喜強(qiang)(qiang)光(guang),強(qiang)(qiang)光(guang)有利(li)其發育(yu)。也喜水(shui)怕淹(yan)、水(shui)深(shen)易(yi)爛(lan)(lan)葉、前期水(shui)要淺(qian),后期逐漸加深(shen)。喜肥(fei)又不(bu)耐肥(fei)、肥(fei)重易(yi)爛(lan)(lan)莖,基(ji)肥(fei)要足,追肥(fei)要少。對(dui)土(tu)(tu)壤(rang)要求(qiu)不(bu)嚴(yan),喜肥(fei)沃微酸性粘(zhan)質土(tu)(tu)壤(rang),一般肥(fei)沃的河泥或菜園土(tu)(tu)均可。從栽種(zhong)到開花約(yue)60天(tian)。
第一(yi)步,對種子(zi)(zi)進(jin)行(xing)破(po)殼(ke)處(chu)理,蓮子(zi)(zi)的果(guo)皮具有堅而厚的特(te)殊結構,在(zai)種子(zi)(zi)充分(fen)成熟(shu)干(gan)縮以后(hou),水(shui)(shui)分(fen)和空氣不易透入,呼吸作用(yong)非常(chang)緩慢,處(chu)于被迫(po)休(xiu)(xiu)眠(mian)狀(zhuang)態(tai)。所以蓮子(zi)(zi)可以在(zai)土中埋(mai)藏數百年(nian)(nian)甚至上千年(nian)(nian)而不萌發也不腐爛(lan),這(zhe)是(shi)蓮子(zi)(zi)長(chang)壽的原(yuan)因。為了使(shi)蓮子(zi)(zi)在(zai)播種后(hou)吸收水(shui)(shui)分(fen)和氧氣,打破(po)被迫(po)休(xiu)(xiu)眠(mian)狀(zhuang)態(tai),進(jin)入萌發生長(chang),在(zai)種子(zi)(zi)催芽前,必須進(jin)行(xing)破(po)殼(ke)處(chu)理。
蓮(lian)是倒(dao)生(sheng)胚(pei)(pei)珠,胚(pei)(pei)芽(ya)著生(sheng)于種子(zi)的頂端(duan),破殼(ke)時應擊破種子(zi)的基(ji)端(duan),即(ji)種子(zi)在(zai)花托上著生(sheng)的一端(duan),也(ye)就(jiu)(jiu)是蓮(lian)子(zi)凹(ao)入的一端(duan)。可以(yi)(yi)用(yong)剪刀(dao)或是老虎鉗(qian)將其夾破。播種前一般(ban)只(zhi)要磨(mo)破果(guo)皮(即(ji)蓮(lian)子(zi)的硬殼(ke)),見到褐色種皮為止;夾殼(ke)時只(zhi)要在(zai)基(ji)部(bu)來(lai)2-3毫米裂(lie)口即(ji)可,切勿夾去(qu)太深,以(yi)(yi)免(mian)傷(shang)胚(pei)(pei)。浸種一天后,待胚(pei)(pei)吸(xi)水胚(pei)(pei)膨脹,果(guo)皮吸(xi)水變(bian)軟時,可以(yi)(yi)用(yong)手沿著破殼(ke)處剝去(qu)果(guo)皮的1/3,使(shi)胚(pei)(pei)外露(lu),以(yi)(yi)利胚(pei)(pei)芽(ya)伸長。必須注(zhu)意:破殼(ke)部(bu)位不(bu)能過大過多,如果(guo)把(ba)蓮(lian)子(zi)的硬殼(ke)全部(bu)去(qu)掉,胚(pei)(pei)芽(ya)就(jiu)(jiu)失去(qu)保護,極(ji)易腐爛死亡。
第二步對種(zhong)(zhong)(zhong)子(zi)(zi)進行浸(jin)(jin)種(zhong)(zhong)(zhong)催(cui)芽(ya)將已破殼的(de)(de)種(zhong)(zhong)(zhong)子(zi)(zi),浸(jin)(jin)于50度左右的(de)(de)溫(wen)(wen)(wen)水(shui)(shui)(shui)中(zhong)。浸(jin)(jin)種(zhong)(zhong)(zhong)的(de)(de)水(shui)(shui)(shui)要清潔(jie),不(bu)(bu)含油膩、污(wu)物,也(ye)不(bu)(bu)要用高(gao)于50度的(de)(de)水(shui)(shui)(shui),否則會影(ying)響發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芽(ya)。水(shui)(shui)(shui)溫(wen)(wen)(wen)自(zi)然下降(jiang),最后保(bao)持在(zai)30度左右,不(bu)(bu)宜高(gao)于40度或(huo)(huo)低(di)于20度。如水(shui)(shui)(shui)溫(wen)(wen)(wen)高(gao)于40度時(shi),種(zhong)(zhong)(zhong)子(zi)(zi)雖(sui)在(zai)頭一(yi)(yi)天(tian)萌(meng)發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)迅速,但(dan)以后生(sheng)長(chang)則受到(dao)抑制,水(shui)(shui)(shui)溫(wen)(wen)(wen)低(di)于20度時(shi),則種(zhong)(zhong)(zhong)子(zi)(zi)發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芽(ya)生(sheng)長(chang)過于緩慢。家庭(ting)少量(liang)浸(jin)(jin)種(zhong)(zhong)(zhong)時(shi)可(ke)放入保(bao)溫(wen)(wen)(wen)瓶中(zhong)保(bao)溫(wen)(wen)(wen)。溫(wen)(wen)(wen)度在(zai)30度的(de)(de)條件下,一(yi)(yi)般(ban)浸(jin)(jin)種(zhong)(zhong)(zhong)催(cui)芽(ya)3天(tian)即可(ke)萌(meng)發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa),胚(pei)芽(ya)從破口處伸(shen)出(chu)。在(zai)此期間,每天(tian)需要換水(shui)(shui)(shui)1-3次,并要及時(shi)清除不(bu)(bu)能(neng)發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芽(ya)的(de)(de)種(zhong)(zhong)(zhong)子(zi)(zi)。在(zai)一(yi)(yi)般(ban)情況下,達(da)7天(tian)仍不(bu)(bu)萌(meng)發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)種(zhong)(zhong)(zhong)子(zi)(zi),就(jiu)不(bu)(bu)會在(zai)發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芽(ya)了。沒有(you)發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芽(ya)能(neng)力的(de)(de)種(zhong)(zhong)(zhong)子(zi)(zi)往往會上(shang)(shang)浮在(zai)水(shui)(shui)(shui)面上(shang)(shang),胚(pei)芽(ya)發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)黃,子(zi)(zi)葉(xie)霉爛、發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)臭(chou)。(也(ye)可(ke)以直接用自(zi)來水(shui)(shui)(shui)浸(jin)(jin)種(zhong)(zhong)(zhong),不(bu)(bu)需要用溫(wen)(wen)(wen)水(shui)(shui)(shui)或(huo)(huo)加熱(re),浸(jin)(jin)種(zhong)(zhong)(zhong)大(da)約(yue)二天(tian)就(jiu)可(ke)以萌(meng)發(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。)
碗(wan)(wan)(wan)蓮多用精(jing)制(zhi)碗(wan)(wan)(wan)盆水培,如小彩缸等,看(kan)上去十(shi)分美觀。即使(shi)用碗(wan)(wan)(wan),也必須用口徑25厘米左右,深(shen)20厘米以上的大(da)碗(wan)(wan)(wan),因為容器過小,碗(wan)(wan)(wan)蓮生長(chang)受限制(zhi),很難開(kai)好花(hua)。
種(zhong)子出(chu)苗后,應(ying)在(zai)25℃左(zuo)右條件下(xia)進行水(shui)(shui)培(pei)(pei)育(yu)(yu)苗5-7天。在(zai)水(shui)(shui)培(pei)(pei)育(yu)(yu)苗期(qi)間,蓮(lian)苗根(gen)系吸收力(li)弱(ruo),生長主要靠種(zhong)胚(pei)提供養(yang)分(fen),一(yi)般不需要施肥(fei)(fei)(fei)。在(zai)水(shui)(shui)培(pei)(pei)育(yu)(yu)苗過程中應(ying)保(bao)持(chi)水(shui)(shui)層深10厘(li)米左(zuo)右,并給予充足的(de)光照;不宜經常換水(shui)(shui)或(huo)翻動,以免(mian)葉片(pian)(pian)因經常改變其(qi)生長方(fang)向而(er)過度伸(shen)長;應(ying)讓葉柄保(bao)持(chi)在(zai)水(shui)(shui)中,葉片(pian)(pian)自由(you)平展于水(shui)(shui)面。待第(di)一(yi)片(pian)(pian)葉放開(kai)(kai),第(di)二片(pian)(pian)葉即將(jiang)放開(kai)(kai),長出(chu)白(bai)色根(gen)系時,即可定(ding)植。碗蓮(lian)容器內要施以盆(pen)土1%左(zuo)右量的(de)基肥(fei)(fei)(fei),然后加入塘(tang)泥至盆(pen)深2/3處。碗蓮(lian)泥土少,養(yang)分(fen)不足,要經常施肥(fei)(fei)(fei),但必須(xu)薄肥(fei)(fei)(fei)勤施。碗蓮(lian)經一(yi)年栽培(pei)(pei),肥(fei)(fei)(fei)力(li)下(xia)降、地(di)下(xia)根(gen)莖(jing)密集,宜每(mei)年早春發(fa)芽前翻缽換土。
等芽長到10厘(li)米左右,可(ke)(ke)以(yi)(yi)移(yi)栽。根據碗蓮(lian)種(zhong)植的需(xu)要(yao),選擇土壤裝(zhuang)入花(hua)缽內后,放入清水(shui),并將土、肥拌和(he)均(jun)勻。待泥水(shui)澄清后,將水(shui)培苗(miao)定(ding)植于(yu)(yu)花(hua)缽的中(zhong)央,以(yi)(yi)種(zhong)子全部入泥為(wei)度,使葉片自(zi)由舒展于(yu)(yu)水(shui)面。移(yi)植時應注意,不可(ke)(ke)折斷葉柄(bing),以(yi)(yi)免影(ying)響(xiang)生長。植后保持3-5厘(li)米水(shui)層,但千萬不可(ke)(ke)把葉片淹(yan)沒水(shui)中(zhong)。碗蓮(lian)喜光,花(hua)缽應放置(zhi)在陽(yang)光充(chong)足處。幼苗(miao)嬌嫩,遇陽(yang)光日灼有的會焦枯,但一般會發芽成(cheng)活。澆(jiao)水(shui)也不要(yao)過多,以(yi)(yi)提(ti)高水(shui)溫,促(cu)進生長。待長出7-13片浮(fu)葉后即可(ke)(ke)出現立葉。將種(zhong)藕首尾(wei)相接,頂芽朝向容(rong)器中(zhong)央栽入盆中(zhong)。栽好后加水(shui)至2-3厘(li)米,曬干再加水(shui),重復(fu)兩三次(ci),使種(zhong)藕和(he)泥土充(chong)分密結,不易飄浮(fu)。夏季碗蓮(lian)必須(xu)天(tian)天(tian)加水(shui)。
碗蓮一般(ban)易生蚜蟲(chong),可用菊(ju)樂合脂3000倍(bei)液(ye)噴。
清(qing)明(ming)前后挑選生長健(jian)壯的根莖,每2-3節切(qie)成一段(duan),每段(duan)必須帶頂芽和(he)尾節,分盆種(zhong)植(zhi)。此時要特別注意防(fang)暴風雨,如葉片被吹(chui)折,種(zhong)藕(ou)就發育不良,影響第(di)二年開花(hua)。
播種(zhong)(zhong)前(qian)先用鐵銼破(po)壞種(zhong)(zhong)皮(pi),然后(hou)浸泡在清(qing)水中,每天換水一次,長出2-3片葉即可(ke)種(zhong)(zhong)植。種(zhong)(zhong)植前(qian)期保持(chi)水面(mian)深2厘米左右,長出立葉后(hou)保持(chi)10厘米即可(ke)以。
碗蓮開花期正是(shi)盛夏,處(chu)于(yu)花卉的淡(dan)季,很好地填補了花卉的空缺。養(yang)一盆碗蓮置于(yu)書案幾(ji)架,別有一番情趣,是(shi)非常時尚的觀賞花卉。