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公(gong) 司 地(di) 址(zhi):枝江(jiang)市(shi)馬(ma)家店計劃社區8號 (滬渝高速(su)枝江(jiang)道(dao)口南行3公(gong)里(li)處)

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枝江市仙女(nv)生態苗木試(shi)驗(yan)基地地址:仙女(nv)鎮屈家店(dian)村

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基地負責人(ren)  (王先生)

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紅繼木

2021-04-01 20:09:09
詳(xiang)細(xi)介紹(shao):

紅繼木

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紅(hong)(hong)(hong)(hong)花(hua)(hua)(hua)檵(ji)(ji)木(mu)(拉丁(ding)學名:Loropetalum chinense var.rubrum),又名:紅(hong)(hong)(hong)(hong)繼(ji)木(mu)、紅(hong)(hong)(hong)(hong)梽木(mu)、紅(hong)(hong)(hong)(hong)桎(zhi)木(mu)、紅(hong)(hong)(hong)(hong)檵(ji)(ji)花(hua)(hua)(hua)、紅(hong)(hong)(hong)(hong)梽花(hua)(hua)(hua)、紅(hong)(hong)(hong)(hong)桎(zhi)花(hua)(hua)(hua)、紅(hong)(hong)(hong)(hong)花(hua)(hua)(hua)繼(ji)木(mu),為金縷梅科、檵(ji)(ji)木(mu)屬檵(ji)(ji)木(mu)的變種(zhong),常綠灌木(mu)或小喬木(mu)。樹皮暗灰或淺灰褐色(se),多分枝(zhi)。嫩枝(zhi)紅(hong)(hong)(hong)(hong)褐色(se),密被星狀(zhuang)毛(mao)。葉革質互生,卵(luan)圓(yuan)形或橢(tuo)圓(yuan)形,長(chang)2~5cm,先端(duan)短尖,基部圓(yuan)而偏斜,不對稱(cheng),兩面均有星狀(zhuang)毛(mao),全(quan)緣,暗紅(hong)(hong)(hong)(hong)色(se)。花(hua)(hua)(hua)瓣4枚,紫紅(hong)(hong)(hong)(hong)色(se)線形長(chang)1~2cm,花(hua)(hua)(hua)3~8朵簇生于(yu)小枝(zhi)端(duan)。蒴果(guo)褐色(se),近(jin)卵(luan)形。花(hua)(hua)(hua)期(qi)(qi)4~5月,花(hua)(hua)(hua)期(qi)(qi)長(chang),約30~40天,國(guo)慶節能(neng)再次(ci)開(kai)花(hua)(hua)(hua)。花(hua)(hua)(hua)3~8朵簇生在總梗上呈頂生頭(tou)狀(zhuang)花(hua)(hua)(hua)序,紫紅(hong)(hong)(hong)(hong)色(se)。果(guo)期(qi)(qi)8月。主要分布于(yu)長(chang)江中下游及以(yi)南地區、印度北(bei)部。花(hua)(hua)(hua)、根、葉可藥用。


灌木,有(you)時為(wei)小(xiao)喬木,多分枝,小(xiao)枝有(you)星毛(mao)。葉(xie)革質,卵(luan)形(xing),長2~5厘米(mi),寬1.5~2.5厘米(mi),先端尖(jian)銳(rui),基部鈍,不等(deng)側(ce),上(shang)面(mian)略有(you)粗毛(mao)或禿凈,干后暗綠(lv)色(se),無光(guang)澤,下(xia)面(mian)被星毛(mao),稍帶灰白色(se),側(ce)脈約5對,在(zai)上(shang)面(mian)明(ming)顯,在(zai)下(xia)面(mian)突起(qi),全緣;葉(xie)柄長2~5毫(hao)米(mi),有(you)星毛(mao);托葉(xie)膜(mo)質,三角狀披針形(xing),長3~4毫(hao)米(mi),寬1.5~2毫(hao)米(mi),早落。

花(hua)(hua)(hua)3~8朵簇生(sheng),有短(duan)花(hua)(hua)(hua)梗,紫紅色,比新葉先開放,或與嫩葉同時(shi)開放,花(hua)(hua)(hua)序柄(bing)長約(yue)(yue)1厘(li)米(mi),被(bei)毛(mao)(mao);苞片線形,長3毫(hao)米(mi);萼(e)筒杯(bei)狀,被(bei)星(xing)毛(mao)(mao),萼(e)齒卵形,長約(yue)(yue)2毫(hao)米(mi),花(hua)(hua)(hua)后脫落;花(hua)(hua)(hua)瓣4片,帶狀,長1~2厘(li)米(mi),先端圓或鈍;雄蕊4個,花(hua)(hua)(hua)絲(si)極短(duan),藥隔突出成角(jiao)狀;退化雄蕊4個,鱗片狀,與雄蕊互生(sheng);子房完全下位,被(bei)星(xing)毛(mao)(mao);花(hua)(hua)(hua)柱極短(duan),長約(yue)(yue)1毫(hao)米(mi);胚珠1個,垂(chui)生(sheng)于心(xin)皮內上(shang)角(jiao)。 

生長習性

喜光(guang),稍耐陰(yin),但陰(yin)時(shi)葉色容易變綠。適應(ying)性強,耐旱。喜溫暖,耐寒冷。萌(meng)芽力(li)和(he)發枝力(li)強,耐修剪。耐瘠薄(bo),但適宜在(zai)肥沃(wo)、濕潤(run)的微酸性土壤(rang)中生(sheng)長。


組織培養

外(wai)(wai)植(zhi)體:選生長健壯、無病(bing)蟲(chong)害(hai)的紅花繼(ji)木(mu)莖尖、芽(ya)及枝等作(zuo)外(wai)(wai)植(zhi)體,其中外(wai)(wai)植(zhi)體采集在(zai)7~8月(yue)最好,污染率較低。

培養(yang)(yang)(yang)(yang)基:紅花繼(ji)木的組織培養(yang)(yang)(yang)(yang)包括初代培養(yang)(yang)(yang)(yang)、繼(ji)代增殖培養(yang)(yang)(yang)(yang)和生根培養(yang)(yang)(yang)(yang)。試驗表明,初代培養(yang)(yang)(yang)(yang)和繼(ji)代增殖培養(yang)(yang)(yang)(yang)基可(ke)參(can)考MS+BA1.0mg/l+IBA1.0mg/l;生根培養(yang)(yang)(yang)(yang)基可(ke)參(can)考1/2MS+NAA1.0~1.5mg/l+0.1%的活(huo)性炭(tan)。

培養條(tiao)件:紅(hong)花繼(ji)木的培養條(tiao)件一(yi)般(ban)為(wei):溫度20℃左右(you),光照時間(jian)14h/d(每(mei)天14小時),光照強度為(wei)1500LX(勒(le)克斯)。


繁殖方法

嫁接

主要用切(qie)接(jie)和芽接(jie)2種方法(fa)。嫁(jia)接(jie)于2~10月(yue)(yue)均可進行(xing),切(qie)接(jie)以春(chun)季發(fa)芽前進行(xing)為好(hao),芽接(jie)則(ze)宜在9~10月(yue)(yue)。以白檵(ji)木(mu)中、小(xiao)型植(zhi)株(zhu)為砧木(mu)進行(xing)多頭嫁(jia)接(jie),加(jia)強水(shui)肥和修剪管理,1年(nian)內可以出圃(pu)。

扦插

3~9月均可進行,選用疏松的黃土為扦插基質,確保扦插基質通氣透水和較高的空氣濕度,保持溫暖但避免陽光直射,同時注意扦插環境通風透氣。紅檵木插(cha)條(tiao)在溫暖濕(shi)潤(run)條(tiao)件下,20~25天(tian)形成(cheng)紅色愈合體,1個(ge)月后(hou)即(ji)長(chang)出0.1cm粗(cu)、1~6cm長(chang)的(de)新(xin)根(gen)3~9條(tiao)。扦插(cha)法繁殖系數大,但長(chang)勢較弱(ruo),出圃時間長(chang),而多頭嫁接的(de)苗木(mu)生長(chang)勢強,成(cheng)苗出圃快,卻(que)較費(fei)工。嫩枝扦插(cha)于5~8月,采用當年生半木(mu)質化枝條(tiao),剪成(cheng)7~10cm長(chang)帶踵的(de)插(cha)穗,插(cha)人土(tu)(tu)中1/3;插(cha)床基質可用珍珠(zhu)巖或(huo)(huo)用2份河沙、6份黃(huang)土(tu)(tu)或(huo)(huo)山泥混合。插(cha)后(hou)搭棚遮(zhe)蔭,適時噴水,保持土(tu)(tu)壤(rang)濕(shi)潤(run),30~40天(tian)即(ji)可生根(gen)。

播種

春夏播種(zhong)(zhong)(zhong)(zhong),紅(hong)檵(ji)(ji)木(mu)(mu)(mu)種(zhong)(zhong)(zhong)(zhong)子(zi)(zi)發(fa)芽(ya)率(lv)(lv)高,播種(zhong)(zhong)(zhong)(zhong)后(hou)25天(tian)(tian)左右(you)發(fa)芽(ya),l年(nian)能長到6~20cm高,抽發(fa)3~6個枝。紅(hong)檵(ji)(ji)木(mu)(mu)(mu)實生(sheng)苗新(xin)根呈紅(hong)色、肉質,前期(qi)必須精細(xi)管理,直到根系(xi)木(mu)(mu)(mu)質化(hua)并變(bian)褐(he)色時,方可(ke)(ke)粗(cu)放管理。有性(xing)繁殖因其苗期(qi)長,生(sheng)長慢,且有白(bai)檵(ji)(ji)木(mu)(mu)(mu)苗出現(返(fan)祖現象),一般不用(yong)(yong)于苗木(mu)(mu)(mu)生(sheng)產,而用(yong)(yong)于紅(hong)檵(ji)(ji)木(mu)(mu)(mu)育種(zhong)(zhong)(zhong)(zhong)研究。一般在10月采(cai)收種(zhong)(zhong)(zhong)(zhong)子(zi)(zi),11月份冬播或將種(zhong)(zhong)(zhong)(zhong)子(zi)(zi)密封(feng)干藏至翌春播種(zhong)(zhong)(zhong)(zhong),種(zhong)(zhong)(zhong)(zhong)子(zi)(zi)用(yong)(yong)沙子(zi)(zi)擦破種(zhong)(zhong)(zhong)(zhong)皮后(hou)條播于半沙土苗床,播后(hou)25天(tian)(tian)左右(you)發(fa)芽(ya),發(fa)芽(ya)率(lv)(lv)較低。1年(nian)生(sheng)苗高可(ke)(ke)達(da)6~20cm,抽發(fa)3~6個枝。2年(nian)后(hou)可(ke)(ke)出圃定(ding)植


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