翅(chi)果油樹(Elaeagnus mollis Diels)是胡頹(tui)子科(ke)、胡頹(tui)子屬落葉直立(li)喬木(mu)或(huo)灌木(mu),高可達10米,胸(xiong)徑(jing)達8厘米,芽球形(xing)(xing),黃(huang)褐色。葉紙質(zhi),稀膜質(zhi),卵形(xing)(xing)或(huo)卵狀橢圓形(xing)(xing),葉柄半圓形(xing)(xing),花(hua)灰(hui)綠。色,下垂,芳(fang)香,花(hua)梗被星狀柔毛,萼筒鐘狀,裂片近(jin)三(san)角形(xing)(xing)或(huo)近(jin)披針形(xing)(xing),花(hua)藥橢圓形(xing)(xing),花(hua)柱直立(li),果肉棉質(zhi);果核(he)紡錘形(xing)(xing),栗(li)褐色,子葉肥厚,含豐富的(de)油脂。4-5月(yue)開花(hua),8-9月(yue)結(jie)果。
翅果油樹分布暖溫帶半(ban)(ban)干旱氣候,其特點(dian)為夏熱(re)少雨,冬春干冷,年平均溫約(yue)10℃左右,年降水(shui)量500~600毫米,無(wu)霜期150~190天(tian)。土(tu)壤為黃粘土(tu)或(huo)山地褐色(se)土(tu),呈中性(xing)或(huo)微(wei)酸性(xing)反應。多(duo)生于陰坡和半(ban)(ban)陰坡,陽坡亦(yi)有分布,往(wang)往(wang)形成單優種群(qun)落,或(huo)與其他(ta)植物組(zu)成群(qun)落。
人民(min)日(ri)報2009年4月9日(ri)報道(dao)“翅果油樹(shu):神奇的(de)國寶”。翅果油樹(shu)具有奇特的(de)生(sheng)命(ming)力,山西省(sheng)鄉(xiang)寧縣人稱為(wei)“刀砍不死,雷劈不倒”,正因如(ru)此,翅果油樹(shu)才能歷(li)經200萬年滄海(hai)桑田,頑強繁衍至今。山西省(sheng)鄉(xiang)寧縣尚(shang)存一棵(ke)被稱為(wei)“神木(mu)”的(de)古樹(shu),樹(shu)齡(ling)超過600年,遭多(duo)次雷擊,樹(shu)干(gan)已經碳化,依然(ran)生(sheng)機勃勃、碩果滿枝。
星散(san)分(fen)布于(yu)(yu)山(shan)西(xi)和陜西(xi)局(ju)部地區(qu),中(zhong)國特有(you)種。分(fen)布于(yu)(yu)山(shan)西(xi)鄉(xiang)寧、河(he)津、翼(yi)城和陜西(xi)鄠邑區(qu)等地。翅果油樹是與(yu)恐龍同時代的(de)神奇(qi)樹種,分(fen)布于(yu)(yu)北緯35°-38°之間。在全(quan)球范圍內僅存于(yu)(yu)中(zhong)國呂梁山(shan)一(yi)帶,尤以(yi)山(shan)西(xi)鄉(xiang)寧最(zui)為集中(zhong),素(su)有(you)“中(zhong)國珍稀、世界唯一(yi)”的(de)美譽。
主要分布(bu)于山西(xi)南(nan)部的低山和(he)丘(qiu)陵(ling)區(qu)以及(ji)陜西(xi)秦嶺北麓的西(xi)安市鄠(hu)邑區(qu)。
產(chan)陜西(xi)西(xi)安市(shi)鄠邑(yi)區、山西(xi)南部;模(mo)式標本采自(zi)陜西(xi)西(xi)安市(shi)鄠邑(yi)區澇(lao)峪山。
落葉直立喬(qiao)木(mu)(mu)或(huo)灌木(mu)(mu),高2-10米,胸徑達8厘(li)米,幼枝(zhi)灰綠色(se),密被灰綠色(se)星(xing)狀絨毛和鱗片,老枝(zhi)絨毛和鱗片脫(tuo)落,栗褐色(se)或(huo)灰黑色(se);芽球形,黃褐色(se)。
葉(xie)(xie)紙質(zhi)(zhi),稀膜質(zhi)(zhi),卵形(xing)(xing)或卵狀橢圓形(xing)(xing),長6-9(-15)厘(li)(li)米,寬3-6(-11)厘(li)(li)米,頂端鈍(dun)尖,基部(bu)鈍(dun)形(xing)(xing)或圓形(xing)(xing),上面(mian)深綠色(se)。散生少(shao)數星狀柔毛(mao),下面(mian)灰綠色(se),密被淡灰白色(se)星狀絨毛(mao),側脈6-10對,上面(mian)凹下,下面(mian)凸起;葉(xie)(xie)柄半圓形(xing)(xing),長6-10(-15)毫(hao)米。
花(hua)(hua)灰綠。色(se),下垂,芳香(xiang),密(mi)被(bei)(bei)灰白(bai)色(se)星狀(zhuang)絨(rong)毛(mao);常(chang)1-3(-5)花(hua)(hua)簇生幼(you)枝葉腋;花(hua)(hua)梗被(bei)(bei)星狀(zhuang)柔毛(mao),長(chang)3-4毫米(mi);萼(e)筒鐘狀(zhuang),長(chang)5毫米(mi),在子(zi)(zi)房(fang)上(shang)驟收縮,裂片(pian)(pian)近三角形(xing)(xing)或(huo)(huo)(huo)近披(pi)針形(xing)(xing),長(chang)3.5-4毫米(mi),頂端漸尖(jian)或(huo)(huo)(huo)鈍尖(jian),內(nei)面(mian)疏生白(bai)色(se)星狀(zhuang)柔毛(mao),包圍子(zi)(zi)房(fang)的萼(e)管短矩圓(yuan)(yuan)形(xing)(xing)或(huo)(huo)(huo)近球形(xing)(xing),被(bei)(bei)星狀(zhuang)絨(rong)毛(mao)和鱗(lin)片(pian)(pian),具明(ming)顯(xian)的8肋;雄蕊(rui)4,花(hua)(hua)藥橢(tuo)圓(yuan)(yuan)形(xing)(xing),長(chang)1.6毫米(mi);花(hua)(hua)柱直立,上(shang)部稍彎曲,下部密(mi)生絨(rong)毛(mao)。果(guo)實近圓(yuan)(yuan)形(xing)(xing)或(huo)(huo)(huo)闊橢(tuo)圓(yuan)(yuan)形(xing)(xing),長(chang)13毫米(mi),具明(ming)顯(xian)的8棱脊,翅狀(zhuang),果(guo)肉(rou)棉質;果(guo)核紡錘形(xing)(xing),栗(li)褐色(se),內(nei)面(mian)具絲狀(zhuang)棉毛(mao);子(zi)(zi)葉肥(fei)厚,含豐富的油脂。花(hua)(hua)期(qi)4-5月,果(guo)期(qi)8-9月。
生于海拔700-1300米的(de)(de)陽坡和半陰坡的(de)(de)山溝谷地和潮濕地區。
翅果(guo)(guo)油樹喜光(guang),抗(kang)寒、抗(kang)風(feng),耐干(gan)旱和貧瘠土(tu)壤(rang),適宜在干(gan)旱地區生(sheng)(sheng)長,不耐水濕(shi)。根(gen)系發達,具根(gen)瘤,萌蘗力強,3年(nian)生(sheng)(sheng)萌蘗枝開始(shi)開花結果(guo)(guo)。天然次生(sheng)(sheng)林砍(kan)伐后,1年(nian)萌生(sheng)(sheng)苗高1-1.5米(mi),粗1-1.5厘米(mi);5-年(nian)生(sheng)(sheng)呈叢狀,樹高2.5-3m,胸(xiong)徑4-5厘米(mi);10-20年(nian)生(sheng)(sheng)樹高4-5米(mi),胸(xiong)徑10-13厘米(mi),幼樹3年(nian)生(sheng)(sheng)開始(shi)結實,6年(nian)生(sheng)(sheng)單株結實量(liang)4-5kg。
溫(wen)度(du),翅果油樹為中(zhong)(zhong)國有,僅限于陜西,山西省分布(bu),分布(bu)區年平均(jun)氣溫(wen)12℃,極端高溫(wen)41.3℃,極端低溫(wen)-20℃。初(chu)霜期(qi)(qi)(qi)10月中(zhong)(zhong)旬,終霜期(qi)(qi)(qi)4月中(zhong)(zhong)旬,生長期(qi)(qi)(qi)150-180天。3月下旬開(kai)始萌(meng)芽,4月開(kai)花(hua),花(hua)期(qi)(qi)(qi)較(jiao)早,落葉(xie)很晚。
濕度,翅(chi)果油樹(shu)有較強的(de)適應性(xing)和(he)抗逆能力,其主側根(gen)(gen)系(xi)都很發(fa)達,并有豐富的(de)根(gen)(gen)瘤(liu)固氮(dan)菌,因(yin)而(er)是一種(zhong)耐旱(han)(han)能力十分(fen)強且耐瘠薄的(de)樹(shu)種(zhong)。它所分(fen)布的(de)區內年(nian)降水量(liang)多為(wei)450-550毫米(mi)(mi),年(nian)平均相對濕度60%。干旱(han)(han)少雨,干燥(zao)度為(wei)1.6-1.8,年(nian)蒸(zheng)發(fa)量(liang)為(wei)1600-1800毫米(mi)(mi),年(nian)極(ji)端(duan)降水量(liang)最(zui)高為(wei)750毫米(mi)(mi),最(zui)低為(wei)315毫米(mi)(mi)。
土(tu)壤(rang)(rang)(rang),翅果油樹喜(xi)生于深厚肥沃的沙壤(rang)(rang)(rang)土(tu),由于具有根(gen)瘤(liu)菌而(er)耐瘠薄,可以在缺少氮成分(fen)及腐殖(zhi)質的土(tu)壤(rang)(rang)(rang)上生長。分(fen)布區的土(tu)壤(rang)(rang)(rang)是由黃土(tu)、紫(zi)色(se)和(he)(he)灰(hui)色(se)砂巖(yan)。砂頁巖(yan)和(he)(he)石灰(hui)巖(yan)等為(wei)主的基(ji)巖(yan)上發育而(er)成的褐(he)(he)土(tu)、山地褐(he)(he)土(tu)和(he)(he)碳酸鹽褐(he)(he)土(tu)。土(tu)體厚度15-40㎝,pH呈中性(xing)或弱(ruo)堿性(xing),土(tu)壤(rang)(rang)(rang)發育較(jiao)(jiao)差,保水性(xing)較(jiao)(jiao)弱(ruo)。
伴生植物,在(zai)陰坡(po)和半陰坡(po)與其伴生有的有三裂繡線菊Spiraea trilobata L.、虎(hu)榛子Ostryopsis davidiana Decne、沙棘Hippophae rhamnoides L.、黃刺(ci)玫Rose xanthina Lindl、牛奶子Elaeagnus umbellate Thunb.等(deng);在(zai)陽坡(po)有荊條Vitex nequndo var. heterophylla (Franch.) Rehd.、白刺(ci)花、木對節(jie)刺(ci)Sageretia pycnophylla Schneid.等(deng)。
翅果油樹的生長(chang)期較(jiao)快,幼苗栽種(zhong)后三年可結(jie)(jie)果,每畝種(zhong)植肥沃(wo)土地(di)100-110株,貧瘠土地(di)200株左右,育林三年后可結(jie)(jie)果2-3公(gong)斤,每畝可達500-600公(gong)斤,5-6年生林可結(jie)(jie)果800-1000公(gong)斤。
1996年山西林木種質資源普(pu)查(cha)結(jie)果(guo)(guo)(guo)顯示,山西的(de)鄉(xiang)寧、河津、新絳、絳縣(xian)、翼城、平陸(lu)等縣(xian)(市)為主要分(fen)布區(qu)。翅(chi)果(guo)(guo)(guo)油(you)樹做為稀有的(de)珍(zhen)貴植(zhi)(zhi)物,加之有限的(de)區(qu)域分(fen)布,如(ru)果(guo)(guo)(guo)不(bu)(bu)加以(yi)(yi)保護,人為亂采掠(lve)青(qing),無節制(zhi)的(de)毀壞,不(bu)(bu)久的(de)將來(lai),將會造成滅絕性的(de)危險,所以(yi)(yi)對翅(chi)果(guo)(guo)(guo)油(you)樹的(de)研究(jiu)、保護和開發刻不(bu)(bu)容(rong)緩(huan)。外植(zhi)(zhi)體,研究(jiu)不(bu)(bu)同因子對愈傷(shang)組(zu)織(zhi)誘(you)導及其分(fen)化的(de)影響。結(jie)果(guo)(guo)(guo)表明:MS BA1mg/L 2.4-D1.5mg/L為最(zui)佳愈傷(shang)組(zu)織(zhi)誘(you)導培(pei)(pei)養(yang)基(ji);在(zai)愈傷(shang)組(zu)織(zhi)誘(you)導時(shi),光(guang)照(zhao)條(tiao)件以(yi)(yi)前期(qi)暗培(pei)(pei)養(yang)、后期(qi)光(guang)培(pei)(pei)養(yang)為宜,溫(wen)度(du)以(yi)(yi)24℃-26℃為宜;在(zai)誘(you)導愈傷(shang)組(zu)織(zhi)芽分(fen)化時(shi),芽分(fen)化的(de)培(pei)(pei)養(yang)基(ji)以(yi)(yi)MS BA1mg/L IBA0.05mg/L最(zui)為合適,溫(wen)度(du)以(yi)(yi)26℃左右(you)為宜。
用(yong)種子(zi)繁(fan)殖(zhi)。種子(zi)壽命較短,不宜久(jiu)藏。晚(wan)秋地封凍前,選擇比較平緩的(de)山地,將水選過后的(de)種子(zi)開溝條播,翌年春發(fa)芽(ya)。一年生苗高可(ke)達50-80厘(li)米,秋季即(ji)可(ke)出圃造(zao)林(lin)。用(yong)嫩(nen)枝扦插亦可(ke)繁(fan)殖(zhi)。
制(zhi)定翅(chi)果(guo)(guo)(guo)(guo)油樹(shu)(shu)(shu)(shu)種(zhong)(zhong)子(zi)質(zhi)量(liang)(liang)分(fen)級(ji)(ji)(ji)標(biao)準。方法:通過測定翅(chi)果(guo)(guo)(guo)(guo)油樹(shu)(shu)(shu)(shu)種(zhong)(zhong)子(zi)百粒重、種(zhong)(zhong)子(zi)活力、凈(jing)度、含(han)水量(liang)(liang)和發芽率等指標(biao),使用SPSS13.0軟件(jian),利用聚(ju)類(lei)分(fen)析方法,制(zhi)定翅(chi)果(guo)(guo)(guo)(guo)油樹(shu)(shu)(shu)(shu)種(zhong)(zhong)子(zi)的(de)分(fen)級(ji)(ji)(ji)標(biao)準。結果(guo)(guo)(guo)(guo):翅(chi)果(guo)(guo)(guo)(guo)油樹(shu)(shu)(shu)(shu)種(zhong)(zhong)子(zi)質(zhi)量(liang)(liang)等級(ji)(ji)(ji)分(fen)為3個(ge)等級(ji)(ji)(ji)。結論:制(zhi)定翅(chi)果(guo)(guo)(guo)(guo)油樹(shu)(shu)(shu)(shu)種(zhong)(zhong)子(zi)的(de)Ⅰ、Ⅱ、Ⅲ級(ji)(ji)(ji)標(biao)準可作為翅(chi)果(guo)(guo)(guo)(guo)油樹(shu)(shu)(shu)(shu)種(zhong)(zhong)子(zi)的(de)質(zhi)量(liang)(liang)控(kong)制(zhi)標(biao)準。翅(chi)果(guo)(guo)(guo)(guo)油樹(shu)(shu)(shu)(shu)實生苗的(de)初代(dai)(dai)培(pei)(pei)(pei)(pei)養(yang)(yang)和愈傷組織的(de)繼代(dai)(dai)培(pei)(pei)(pei)(pei)養(yang)(yang)及種(zhong)(zhong)子(zi)的(de)滅菌方法和時間進行了(le)探索(suo)。結果(guo)(guo)(guo)(guo)表明:初代(dai)(dai)培(pei)(pei)(pei)(pei)養(yang)(yang)最佳培(pei)(pei)(pei)(pei)養(yang)(yang)基為1/2MS(基本培(pei)(pei)(pei)(pei)養(yang)(yang)基MS中(zhong)的(de)大量(liang)(liang)元素減(jian)半)。繼代(dai)(dai)培(pei)(pei)(pei)(pei)養(yang)(yang)中(zhong)的(de)最佳培(pei)(pei)(pei)(pei)養(yang)(yang)基為N2(MS BA0.5 NAA0.02),N4(MS BA0.5 NAA0.04)。
翅果油樹(shu)是(shi)胡頹(tui)子科胡頹(tui)子屬(shu)植物(wu),是(shi)經第(di)四(si)世紀(ji)冰(bing)川作用后殘(can)存下(xia)來(lai)的中國(guo)特有的古生物(wu)植物(wu),僅在(zai)中國(guo)陜西(xi)、山西(xi)兩地(di)有少量分(fen)布。
翅果油(you)樹(shu)是法國人Girald于1899年在陜西省戶縣(xian)(2017年9月9日更名(ming)為西安市鄠邑區)澇峪山首次發現,1905年由德國植物學家Diels確定(ding)了拉(la)丁學名(ming),至2013年原發地仍有(you)此樹(shu)十(shi)余株。
翅(chi)果(guo)油樹(shu)具有生命(ming)力強和經濟(ji)壽命(ming)長的(de)特點,人稱“砍不死的(de)樹(shu)”,幾十年乃至上(shang)百年的(de)翅(chi)果(guo)油樹(shu)仍處(chu)于盛果(guo)期,可(ke)謂(wei)“一(yi)次栽植,百年受益”。翅(chi)果(guo)油樹(shu)早(zao)在九(jiu)十年代已引起聯(lian)(lian)合國的(de)重(zhong)視。1991年,聯(lian)(lian)合國發展計劃(hua)委員會、聯(lian)(lian)合國糧農組織派遣貝(bei)克博士一(yi)行數人,專程來晉實地考察翅(chi)果(guo)油樹(shu),對其珍貴的(de)資源價值給予高度評價。
葉片較大,卵(luan)形或卵(luan)狀橢圓(yuan)形,長6-15厘米(mi),寬(kuan)3-11厘米(mi)。
萼筒鐘狀。
果實近球(qiu)形(xing),密被絨毛,具明顯的8棱脊,翅狀。
星毛(mao)羊奶子 E. stellipila Rehd.
葉厚紙質,寬卵(luan)形或卵(luan)狀(zhuang)橢圓形,長(chang)2-5.5厘米。
萼筒圓筒形。
果長橢圓。
種子(zi)含油(you)脂,種仁含粗脂肪46.58-51.4s%,出(chu)(chu)油(you)率可(ke)達30-35%,榨出(chu)(chu)的(de)油(you)可(ke)作食用和(he)藥用,亦(yi)可(ke)作肥料,能(neng)使小麥(mai)增產;木材可(ke)作農具、家具和(he)柴薪(xin),亦(yi)可(ke)作水(shui)土保持,在山西翼城縣甘泉(quan)公社(she)有專門林場培育種植。
種(zhong)(zhong)子粗(cu)脂肪含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)為(wei)46.2%,出油(you)率為(wei)30%以(yi)上,該油(you)理化(hua)性質(zhi)與(yu)二級芝(zhi)麻油(you),花(hua)生油(you)相(xiang)近(jin),油(you)質(zhi)純凈(jing),色澤(ze)橙黃透(tou)亮,清香(xiang)可(ke)口(kou),產地群(qun)眾(zhong)采種(zhong)(zhong)熬油(you)食(shi)用已有(you)(you)(you)悠久(jiu)歷史,種(zhong)(zhong)仁(ren)中(zhong)(zhong)(zhong)(zhong)蛋白(bai)質(zhi)含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)為(wei)32.2l%,由17種(zhong)(zhong)氨(an)基酸(suan)(suan)組成,其中(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)7種(zhong)(zhong)人體必需氨(an)基酸(suan)(suan),有(you)(you)(you)著(zhu)豐(feng)富的(de)(de)營養價(jia)(jia)值。種(zhong)(zhong)仁(ren)中(zhong)(zhong)(zhong)(zhong)含(han)(han)(han)(han)有(you)(you)(you)豐(feng)富的(de)(de)維生素c,但最主要的(de)(de)是維生素E的(de)(de)含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)。微量(liang)(liang)(liang)(liang)元(yuan)素含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)也很高(gao),其中(zhong)(zhong)(zhong)(zhong)磷為(wei)950rag/100g,其它元(yuan)素含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)很豐(feng)富,平均要比沙棘種(zhong)(zhong)子中(zhong)(zhong)(zhong)(zhong)的(de)(de)含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)高(gao)。翅(chi)果油(you)樹葉中(zhong)(zhong)(zhong)(zhong)不飽(bao)和脂肪酸(suan)(suan)占脂肪酸(suan)(suan)總量(liang)(liang)(liang)(liang)的(de)(de)77%以(yi)上,其中(zhong)(zhong)(zhong)(zhong)亞麻酸(suan)(suan)占不飽(bao)和脂肪酸(suan)(suan)的(de)(de)70%以(yi)上,共檢測(ce)到9種(zhong)(zhong)維生素,l8種(zhong)(zhong)氨(an)基酸(suan)(suan),其中(zhong)(zhong)(zhong)(zhong)人體必需的(de)(de)8種(zhong)(zhong)氨(an)基酸(suan)(suan)含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)豐(feng)富,賴氨(an)酸(suan)(suan),色氨(an)酸(suan)(suan),蛋氨(an)酸(suan)(suan)含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)可(ke)以(yi)和玉米,小麥面粉及苜(mu)蓿(xu)等飼料(liao)植(zhi)物相(xiang)媲美,粗(cu)蛋白(bai)含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)超(chao)過22%,糖類中(zhong)(zhong)(zhong)(zhong)以(yi)蔗糖為(wei)主,是牛羊的(de)(de)好飼料(liao)。葉中(zhong)(zhong)(zhong)(zhong)含(han)(han)(han)(han)有(you)(you)(you)18種(zhong)(zhong)礦(kuang)物質(zhi)元(yuan)素,就其礦(kuang)質(zhi)元(yuan)素種(zhong)(zhong)類而言,其中(zhong)(zhong)(zhong)(zhong)鍶,鈷,鉻,釩,鋇(bei),釔等元(yuan)素的(de)(de)存在和含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)引(yin)人注目,因(yin)為(wei)這些(xie)元(yuan)素與(yu)人體保(bao)健關系密切。翅(chi)果油(you)樹開花(hua)早,花(hua)蜜含(han)(han)(han)(han)量(liang)(liang)(liang)(liang)大,花(hua)粉營養價(jia)(jia)值高(gao),是一(yi)種(zhong)(zhong)潔凈(jing)無污染的(de)(de)蜜源(yuan)植(zhi)物。
翅果(guo)油(you)脂中亞油(you)酸(suan)含(han)量(liang)高(gao)(gao)達45.2%,亞油(you)酸(suan)是人(ren)體(ti)和動物體(ti)自身不能合成而(er)必須從食物中攝取(qu)的(de)(de)一種(zhong)不飽和脂肪(fang)酸(suan),是人(ren)體(ti)正(zheng)常(chang)發育不可(ke)缺(que)少(shao)的(de)(de),它能降低血(xue)(xue)(xue)液中膽固醇及甘(gan)油(you)三脂含(han)量(liang),維持血(xue)(xue)(xue)脂代謝的(de)(de)平衡(heng)。具有防止膽固醇在(zai)血(xue)(xue)(xue)管(guan)壁(bi)上的(de)(de)沉積,增(zeng)強血(xue)(xue)(xue)管(guan)壁(bi)的(de)(de)堅韌性的(de)(de)作用,從而(er)可(ke)以防止和治(zhi)療高(gao)(gao)血(xue)(xue)(xue)壓(ya),高(gao)(gao)血(xue)(xue)(xue)脂,血(xue)(xue)(xue)管(guan)硬化(hua)等病(bing)癥(zheng)。種(zhong)仁中維生(sheng)素(su)E含(han)量(liang)高(gao)(gao)達1558.1mg/100g,是花生(sheng)米的(de)(de)70多倍,沙(sha)棘(ji)種(zhong)子的(de)(de)12倍,豆制(zhi)品(pin)的(de)(de)83倍,奶(nai)粉的(de)(de)370倍。維生(sheng)素(su)E與人(ren)體(ti)的(de)(de)生(sheng)長(chang)發育密切相(xiang)關,為(wei)人(ren)體(ti)所(suo)必需,它能維持人(ren)體(ti)各(ge)組織器官正(zheng)常(chang)生(sheng)理功能,增(zeng)強體(ti)質(zhi),有顯著的(de)(de)抗(kang)氧(yang)化(hua),抗(kang)衰老作用,缺(que)乏(fa)時(shi)會發生(sheng)各(ge)種(zhong)功能衰弱性疾病(bing),如肌肉萎縮,貧血(xue)(xue)(xue),心(xin)血(xue)(xue)(xue)管(guan)病(bing),不育癥(zheng),習慣(guan)性流產及內分泌病(bing)變等。翅果(guo)油(you)樹(shu)種(zhong)子中維生(sheng)素(su)E含(han)量(liang)之高(gao)(gao),在(zai)自然界實(shi)屬罕見,如此高(gao)(gao)的(de)(de)含(han)量(liang),完全(quan)可(ke)以直(zhi)接藥(yao)用翅果(guo)油(you)樹(shu)葉中含(han)黃(huang)酮(tong)類化(hua)合物,即木(mu)解(jie)皮(pi)素(su),楊(yang)梅(mei)黃(huang)酮(tong)和蘆丁,為(wei)研制(zhi)治(zhi)療心(xin)血(xue)(xue)(xue)管(guan)類疾病(bing)藥(yao)物提(ti)供了(le)依據。另外,維生(sheng)素(su)C含(han)量(liang)為(wei)26mg/100g。
翅果油樹(shu)木材(cai)(cai)棕褐色,有(you)光澤,紋理細致(zhi),耐腐蝕,木材(cai)(cai)堅硬,容(rong)易干燥,易縱裂,加工容(rong)易,油漆及膠粘力(li)均佳,可供建筑,農具,家具用材(cai)(cai)。
翅(chi)果(guo)油(you)樹(shu)(shu)根(gen)系(xi)發(fa)達(da),萌蘗力強,幼苗為錐形根(gen)系(xi),主根(gen)發(fa)達(da),以后(hou)逐漸長(chang)出許多(duo)側(ce)根(gen),側(ce)根(gen)呈水(shui)平分布,所以有利于防風固沙,這些根(gen)系(xi)和土(tu)壤中(zhong)的(de)(de)一(yi)(yi)類(lei)放線(xian)菌關(guan)系(xi)密切,在根(gen)系(xi)上形成了豐(feng)富的(de)(de)根(gen)瘤,能夠直(zhi)接(jie)吸收(shou),固定空氣中(zhong)的(de)(de)氮氣而轉化(hua)為樹(shu)(shu)體所需的(de)(de)氮素(su)營(ying)養,其(qi)固氮活性(xing)可與(yu)豆科植物(wu)相媲美,因此說,翅(chi)果(guo)油(you)樹(shu)(shu)是(shi)綠化(hua)荒(huang)山(shan)荒(huang)坡(po),改良土(tu)壤,防止水(shui)土(tu)流失的(de)(de)很好(hao)的(de)(de)山(shan)地經(jing)濟植物(wu),具有重(zhong)(zhong)要的(de)(de)造(zao)林價(jia)值,是(shi)當前(qian)開(kai)發(fa)西部,退耕(geng)還(huan)(huan)林,還(huan)(huan)草的(de)(de)重(zhong)(zhong)要樹(shu)(shu)種之(zhi)一(yi)(yi)。
保(bao)護級別:列(lie)入中國《國家二級保(bao)護植物名錄》;列(lie)入《世界自(zi)然保(bao)護聯盟瀕危物種(zhong)紅色(se)名錄》(IUCN)——瀕危(EN)。
物(wu)(wu)(wu)種(zhong)(zhong)(zhong)(zhong)現狀:翅果(guo)(guo)油樹是經第(di)四世(shi)紀冰川作(zuo)用后殘存下(xia)來的(de)中國(guo)特(te)有(you)的(de)古生物(wu)(wu)(wu)植(zhi)物(wu)(wu)(wu),屬國(guo)家二級保(bao)護(hu)植(zhi)物(wu)(wu)(wu),并編入世(shi)界(jie)自(zi)然和(he)自(zi)然資(zi)(zi)源保(bao)護(hu)國(guo)盟ⅣCN植(zhi)物(wu)(wu)(wu)紅(hong)皮書。全球翅果(guo)(guo)油樹的(de)天然林只存活(huo)于山(shan)西(xi)鄉(xiang)寧縣等小部分地(di)區(qu)(qu),是稀(xi)有(you)植(zhi)物(wu)(wu)(wu)。山(shan)西(xi)省林業廳已采(cai)取(qu)一系(xi)列措施,將翅果(guo)(guo)油樹、水曲(qu)柳(liu)、臭冷杉、南方紅(hong)豆(dou)杉、核桃楸、鐵木、匙葉櫟、脫皮榆等植(zhi)物(wu)(wu)(wu)定為珍(zhen)稀(xi)瀕危物(wu)(wu)(wu)種(zhong)(zhong)(zhong)(zhong),并予(yu)以重點(dian)特(te)殊(shu)保(bao)護(hu)。建(jian)立林木種(zhong)(zhong)(zhong)(zhong)質資(zi)(zi)源數據庫平臺,劃定珍(zhen)稀(xi)物(wu)(wu)(wu)種(zhong)(zhong)(zhong)(zhong)自(zi)然保(bao)護(hu)區(qu)(qu)、優良(liang)種(zhong)(zhong)(zhong)(zhong)源區(qu)(qu),建(jian)立珍(zhen)稀(xi)樹種(zhong)(zhong)(zhong)(zhong)基因庫、采(cai)種(zhong)(zhong)(zhong)(zhong)、良(liang)種(zhong)(zhong)(zhong)(zhong)和(he)良(liang)繁基地(di),進行原地(di)、異地(di)和(he)離體等多(duo)種(zhong)(zhong)(zhong)(zhong)形式(shi)的(de)保(bao)存和(he)開發利用。特(te)別是山(shan)西(xi)省在翅果(guo)(guo)油樹綜合開發關鍵技術(shu)的(de)研究方面(mian),也取(qu)得突破性(xing)進展。
瀕危原(yuan)因:翅果油樹分布區的生態環境特(te)征是:熱量(liang)充足,降水(shui)量(liang)較少(shao),立地條件(jian)較差。
翅(chi)果油(you)(you)樹(shu)瀕危的(de)主要原因有⑴果實(shi)形態結構特殊(shu),不利于傳播和(he)(he)萌發,⑵果實(shi)結實(shi)率(lv)較低,⑶種子(zi)壽(shou)命短,發芽率(lv)低,⑷翅(chi)果油(you)(you)樹(shu)幼苗缺乏(fa)競爭力和(he)(he)⑸人為破壞嚴重。此外,針(zhen)對翅(chi)果油(you)(you)樹(shu)的(de)瀕危現狀和(he)(he)原因,還(huan)提出了科學(xue)保護對策。
保(bao)護(hu)措(cuo)施:山西(xi)鄉寧和翼城兩(liang)縣己發布保(bao)護(hu)文告,宣傳保(bao)護(hu)翅果油樹的重要意義。并在集中生長區(qu)成(cheng)立林(lin)(lin)場或保(bao)護(hu)點(dian),負責保(bao)護(hu)、營(ying)林(lin)(lin)與造林(lin)(lin)。建(jian)議在華北和西(xi)北地區(qu)擴大(da)栽培。
等位(wei)(wei)(wei)(wei)酶(mei)電泳法(fa)和(he)Biosys-2軟(ruan)件(jian)(jian)對山西翅(chi)果(guo)(guo)(guo)(guo)油(you)樹(shu)(shu)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)的(de)(de)(de)(de)(de)(de)(de)遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)結(jie)(jie)構(gou)和(he)遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)多(duo)樣性(xing)(xing)(xing)進行了研(yan)究(jiu),通過對3個種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)的(de)(de)(de)(de)(de)(de)(de)6個等位(wei)(wei)(wei)(wei)酶(mei)位(wei)(wei)(wei)(wei)點的(de)(de)(de)(de)(de)(de)(de)電泳分析,結(jie)(jie)果(guo)(guo)(guo)(guo)表明:5個位(wei)(wei)(wei)(wei)點為多(duo)態位(wei)(wei)(wei)(wei)點,1個單態位(wei)(wei)(wei)(wei)點。Biosys-2軟(ruan)件(jian)(jian)計算得(de)知,在翅(chi)果(guo)(guo)(guo)(guo)油(you)樹(shu)(shu)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)中,每個位(wei)(wei)(wei)(wei)點等位(wei)(wei)(wei)(wei)基(ji)因的(de)(de)(de)(de)(de)(de)(de)平(ping)(ping)(ping)均(jun)數(shu)A=2.2,多(duo)態位(wei)(wei)(wei)(wei)點百(bai)分率P=77.9﹪,遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)多(duo)樣性(xing)(xing)(xing)He=0.375,遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)多(duo)樣性(xing)(xing)(xing)水(shui)(shui)平(ping)(ping)(ping)明顯高于(yu)蜂媒(mei)植(zhi)物,而(er)且也比其它(ta)的(de)(de)(de)(de)(de)(de)(de)廣布(bu)木(mu)本(ben)被子植(zhi)物的(de)(de)(de)(de)(de)(de)(de)遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)多(duo)樣性(xing)(xing)(xing)水(shui)(shui)平(ping)(ping)(ping)為高。與世界范圍內的(de)(de)(de)(de)(de)(de)(de)其它(ta)特有(you)種(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)多(duo)樣性(xing)(xing)(xing)水(shui)(shui)平(ping)(ping)(ping)相比,翅(chi)果(guo)(guo)(guo)(guo)油(you)樹(shu)(shu)的(de)(de)(de)(de)(de)(de)(de)遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)變(bian)異水(shui)(shui)平(ping)(ping)(ping)是它(ta)的(de)(de)(de)(de)(de)(de)(de)5倍左右(you)。相對于(yu)26種(zhong)(zhong)(zhong)(zhong)(zhong)長壽木(mu)本(ben)特有(you)種(zhong)(zhong)(zhong)(zhong)(zhong)和(he)61種(zhong)(zhong)(zhong)(zhong)(zhong)狹窄的(de)(de)(de)(de)(de)(de)(de)地理(li)分布(bu)種(zhong)(zhong)(zhong)(zhong)(zhong)來說,翅(chi)果(guo)(guo)(guo)(guo)油(you)樹(shu)(shu)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)也具有(you)高的(de)(de)(de)(de)(de)(de)(de)遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)變(bian)異水(shui)(shui)平(ping)(ping)(ping)。這表明翅(chi)果(guo)(guo)(guo)(guo)油(you)樹(shu)(shu)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)不存在遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)上的(de)(de)(de)(de)(de)(de)(de)退(tui)(tui)化(hua)現象。針對翅(chi)果(guo)(guo)(guo)(guo)油(you)樹(shu)(shu)的(de)(de)(de)(de)(de)(de)(de)遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)結(jie)(jie)構(gou)和(he)遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)多(duo)樣性(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)研(yan)究(jiu)結(jie)(jie)果(guo)(guo)(guo)(guo),提出了保護翅(chi)果(guo)(guo)(guo)(guo)油(you)樹(shu)(shu)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)的(de)(de)(de)(de)(de)(de)(de)策略:維(wei)持現有(you)翅(chi)果(guo)(guo)(guo)(guo)油(you)樹(shu)(shu)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)高的(de)(de)(de)(de)(de)(de)(de)種(zhong)(zhong)(zhong)(zhong)(zhong)內遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)變(bian)異水(shui)(shui)平(ping)(ping)(ping),遏制由(you)于(yu)人為原因而(er)導致的(de)(de)(de)(de)(de)(de)(de)翅(chi)果(guo)(guo)(guo)(guo)油(you)樹(shu)(shu)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)隔(ge)離或片段化(hua)的(de)(de)(de)(de)(de)(de)(de)趨勢,防止由(you)于(yu)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)隔(ge)離造成(cheng)基(ji)因流降低,從而(er)引起種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)分化(hua)和(he)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)的(de)(de)(de)(de)(de)(de)(de)遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)衰(shuai)退(tui)(tui),并采(cai)取適當措(cuo)施擴大種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)的(de)(de)(de)(de)(de)(de)(de)連續性(xing)(xing)(xing)和(he)種(zhong)(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)內的(de)(de)(de)(de)(de)(de)(de)遺(yi)(yi)(yi)傳(chuan)(chuan)(chuan)多(duo)樣性(xing)(xing)(xing)水(shui)(shui)平(ping)(ping)(ping)。
通過盆栽試驗,研究不同(tong)土壤水分條件(jian)下翅果油樹(shu)幼苗的(de)生(sheng)(sheng)(sheng)長(chang)、葉(xie)水分和丙(bing)二醛含(han)(han)量(liang)(liang)等(deng)各項生(sheng)(sheng)(sheng)理指標的(de)變化。結果表明(ming),輕(qing)、中度(du)干旱(han)(30﹪-35﹪、45﹪-50﹪)脅迫(po)時葉(xie)片含(han)(han)水量(liang)(liang)和葉(xie)綠素含(han)(han)量(liang)(liang)下降幅度(du)較小,水勢較高,丙(bing)二醛含(han)(han)量(liang)(liang)較低,翅果油樹(shu)幼苗能(neng)保證(zheng)基本(ben)的(de)生(sheng)(sheng)(sheng)長(chang),表現出耐(nai)旱(han)植物的(de)生(sheng)(sheng)(sheng)理特征;在重度(du)干旱(han)脅迫(po)(20﹪-25﹪)條件(jian)下,葉(xie)含(han)(han)水量(liang)(liang)和葉(xie)綠素含(han)(han)量(liang)(liang)下降較顯著,水勢最低,丙(bing)二醛含(han)(han)量(liang)(liang)最高,植株矮小,顏色發黃(huang),表明(ming)翅果油樹(shu)幼苗受到干旱(han)傷害嚴(yan)重,不能(neng)正(zheng)常生(sheng)(sheng)(sheng)長(chang)。
瀕危物(wu)種(zhong)翅(chi)(chi)果油(you)樹(shu)(shu)三(san)(san)個種(zhong)群的(de)26個個體的(de)花(hua)藥為(wei)材料。在等位酶(mei)(mei)水平上采用聚(ju)丙烯酰胺凝(ning)膠電泳(PAGE)和液染法(fa)對(dui)過氧化(hua)物(wu)酶(mei)(mei)(POD)、過氧化(hua)氫酶(mei)(mei)(CAT)進行研究;并與(yu)翅(chi)(chi)果油(you)樹(shu)(shu)同屬但不(bu)瀕危物(wu)種(zhong)--傘花(hua)胡(hu)頹子對(dui)照,從(cong)酶(mei)(mei)水平上探討(tao)其(qi)瀕危機制。實驗結果表明:⑴翅(chi)(chi)果油(you)樹(shu)(shu)花(hua)藥三(san)(san)個種(zhong)群間(jian)已有遺傳(chuan)分(fen)化(hua),種(zhong)群內(nei)個體間(jian)的(de)遺傳(chuan)組成也有明顯差(cha)異(yi);⑵環境不(bu)同對(dui)翅(chi)(chi)果油(you)樹(shu)(shu)的(de)生長狀況造(zao)成相(xiang)應(ying)的(de)影響;⑶翅(chi)(chi)果油(you)樹(shu)(shu)在自然(ran)條件下其(qi)酶(mei)(mei)活性與(yu)傘花(hua)胡(hu)頹子差(cha)異(yi)不(bu)大,表明酶(mei)(mei)活性高低可能對(dui)翅(chi)(chi)果油(you)樹(shu)(shu)的(de)瀕危不(bu)造(zao)成很大的(de)影響。
瀕危植(zhi)物翅(chi)(chi)果(guo)(guo)油樹(shu)是集(ji)中分布于山西南部的(de)(de)一種(zhong)珍稀油料木本植(zhi)物。以生物化學(xue)(xue)手段測定(ding)了(le)翅(chi)(chi)果(guo)(guo)油樹(shu)三個種(zhong)群(qun)的(de)(de)葉(xie)綠素含量(liang)和(he)(he)硝(xiao)酸還(huan)原酶活性,并用統計學(xue)(xue)方法,歐氏距離、Word's聚類分析及主因子分析進行了(le)分析。結果(guo)(guo)表明:翅(chi)(chi)果(guo)(guo)油樹(shu)在(zai)三個種(zhong)群(qun)間已有(you)(you)遺(yi)傳分化,種(zhong)群(qun)內個體間的(de)(de)遺(yi)傳變異也(ye)有(you)(you)明顯差異,自然種(zhong)群(qun)與(yu)其生境(jing)有(you)(you)密切關系(xi)。從而為翅(chi)(chi)果(guo)(guo)油樹(shu)的(de)(de)選(xuan)種(zhong)育苗和(he)(he)森林營造(zao)提(ti)供科學(xue)(xue)依據。
以稀(xi)有瀕危(wei)植物翅(chi)(chi)(chi)果(guo)(guo)(guo)(guo)油樹(shu)葉中(zhong)黃(huang)酮類化(hua)(hua)(hua)合(he)(he)物為(wei)(wei)標(biao)記,探索(suo)翅(chi)(chi)(chi)果(guo)(guo)(guo)(guo)油樹(shu)種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)與(yu)其生境的(de)(de)(de)相互關(guan)系。通過對瀕危(wei)植物翅(chi)(chi)(chi)果(guo)(guo)(guo)(guo)油樹(shu)的(de)(de)(de)主要分布區,山西省的(de)(de)(de)鄉寧、翼(yi)(yi)(yi)城、平陸等(deng)三(san)種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)及(ji)環(huan)境的(de)(de)(de)調查,并采(cai)集三(san)個(ge)種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)的(de)(de)(de)24個(ge)樣品。用水提(ti)法(fa)、甲醇提(ti)法(fa),經聚(ju)酰胺(an)薄層(ceng)層(ceng)析法(fa)分離,并將層(ceng)析結(jie)果(guo)(guo)(guo)(guo)作1/0的(de)(de)(de)二元數據化(hua)(hua)(hua)處(chu)理(li),用于(yu)聚(ju)類分析和PCA排序。結(jie)果(guo)(guo)(guo)(guo)表(biao)明:⑴翅(chi)(chi)(chi)果(guo)(guo)(guo)(guo)油樹(shu)葉中(zhong)黃(huang)酮類化(hua)(hua)(hua)合(he)(he)物的(de)(de)(de)種(zhong)(zhong)(zhong)(zhong)類比較(jiao)(jiao)(jiao)穩定,可(ke)以作為(wei)(wei)研究種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)分化(hua)(hua)(hua)的(de)(de)(de)標(biao)記物;⑵聚(ju)類分析表(biao)明鄉寧、翼(yi)(yi)(yi)城、平陸三(san)個(ge)種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)間所(suo)含(han)的(de)(de)(de)黃(huang)酮類化(hua)(hua)(hua)合(he)(he)物已有分化(hua)(hua)(hua),鄉寧種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)與(yu)翼(yi)(yi)(yi)城種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)之間的(de)(de)(de)相異(yi)性(xing)較(jiao)(jiao)(jiao)小,在(zai)截取值(zhi)為(wei)(wei)20時,鄉寧與(yu)翼(yi)(yi)(yi)城種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)首(shou)先聚(ju)為(wei)(wei)一支(zhi),當(dang)截取值(zhi)為(wei)(wei)25時,平陸種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)歸(gui)并,表(biao)明平陸種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)與(yu)其他種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)的(de)(de)(de)相異(yi)性(xing)較(jiao)(jiao)(jiao)大;⑶各(ge)種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)內(nei)個(ge)體間的(de)(de)(de)共享率有明顯的(de)(de)(de)差異(yi);⑷PCA分析表(biao)明:不同(tong)種(zhong)(zhong)(zhong)(zhong)群(qun)(qun)(qun)內(nei)的(de)(de)(de)黃(huang)酮類化(hua)(hua)(hua)合(he)(he)物的(de)(de)(de)差異(yi)與(yu)其地理(li)位置、溫度、地形(xing)地貌及(ji)土壤養分等(deng)因子有關(guan)。
對(dui)山(shan)西省南部平陸(lu)、鄉(xiang)寧(ning)和(he)翼城3個翅(chi)(chi)(chi)果油(you)(you)樹(shu)種群分(fen)別進行(xing)了傳(chuan)粉(fen)(fen)生(sheng)物學(xue)觀察。結果表明:⑴翅(chi)(chi)(chi)果油(you)(you)樹(shu)花(hua)(hua)期一(yi)般為8-12d,單花(hua)(hua)花(hua)(hua)期3-4d,結實率(lv)(lv)僅為0.42﹪;⑵訪(fang)花(hua)(hua)者多屬(shu)(shu)于膜翅(chi)(chi)(chi)目(mu)、鞘翅(chi)(chi)(chi)目(mu)、雙翅(chi)(chi)(chi)目(mu)、鱗翅(chi)(chi)(chi)目(mu)昆(kun)蟲(chong),蜂類是有效(xiao)的傳(chuan)粉(fen)(fen)者;⑶翅(chi)(chi)(chi)果油(you)(you)樹(shu)依(yi)靠芳香氣(qi)味、花(hua)(hua)蜜、花(hua)(hua)粉(fen)(fen)和(he)適度緊縮的生(sheng)殖枝吸(xi)引訪(fang)花(hua)(hua)昆(kun)蟲(chong);⑷昆(kun)蟲(chong)的訪(fang)花(hua)(hua)活動主(zhu)要(yao)集中(zhong)在11:00-16:00,訪(fang)花(hua)(hua)活動易(yi)受氣(qi)象因(yin)(yin)素(su)影(ying)響(xiang);⑸自然條件下,翅(chi)(chi)(chi)果油(you)(you)樹(shu)平均每(mei)日每(mei)花(hua)(hua)被(bei)訪(fang)問的頻次為(1.93±1.64)次,人(ren)工放蜂可顯著增(zeng)加傳(chuan)粉(fen)(fen)強度;⑹交(jiao)配系統屬(shu)(shu)居(ju)群內的異花(hua)(hua)傳(chuan)粉(fen)(fen),仍屬(shu)(shu)于廣義(yi)的白(bai)花(hua)(hua)傳(chuan)粉(fen)(fen)范疇(chou)。傳(chuan)粉(fen)(fen)昆(kun)蟲(chong)少,傳(chuan)粉(fen)(fen)效(xiao)率(lv)(lv)低(di)是翅(chi)(chi)(chi)果油(you)(you)樹(shu)致瀕的重要(yao)因(yin)(yin)素(su)之一(yi)。
以胡(hu)頹子科胡(hu)頹子屬(shu)的(de)(de)翅(chi)果油樹莖(jing)尖(jian)為(wei)(wei)試(shi)(shi)材(cai),對莖(jing)尖(jian)快(kuai)速(su)繁殖與植(zhi)株(zhu)再(zai)生的(de)(de)影響(xiang)因(yin)素進(jin)行(xing)了研(yan)究(jiu)。結果表(biao)明(ming):外(wai)(wai)植(zhi)體(ti)(ti)表(biao)面滅(mie)菌(jun)后(hou)使用(yong)100mg·L^-1的(de)(de)抗生素溶液處理30min,未污染率(lv)達(da)92%,效果最(zui)好;初代培(pei)(pei)養(yang)和(he)(he)(he)增(zeng)殖培(pei)(pei)養(yang)的(de)(de)最(zui)適培(pei)(pei)養(yang)基(ji)(ji)為(wei)(wei)MS+BA0.5+NAA0.01;但在(zai)增(zeng)殖培(pei)(pei)養(yang)中,適宜芽(ya)苗(miao)伸長(chang)的(de)(de)培(pei)(pei)養(yang)基(ji)(ji)為(wei)(wei)MS+BA0.5+IBA0.4;適宜的(de)(de)生根培(pei)(pei)養(yang)基(ji)(ji)為(wei)(wei)1/2MS+IBA1.5;將試(shi)(shi)管(guan)苗(miao)移栽在(zai)腐葉土:蛭石=2:1的(de)(de)基(ji)(ji)質中,成(cheng)活率(lv)達(da)66%。以Pinkchampion等盆栽植(zhi)株(zhu)和(he)(he)(he)試(shi)(shi)管(guan)苗(miao)為(wei)(wei)材(cai)料,研(yan)究(jiu)了影響(xiang)愈(yu)傷(shang)(shang)組(zu)(zu)織(zhi)誘導(dao)(dao)、增(zeng)殖和(he)(he)(he)芽(ya)分(fen)化(hua)的(de)(de)因(yin)素。結果表(biao)明(ming),不(bu)同品種(zhong)的(de)(de)愈(yu)傷(shang)(shang)組(zu)(zu)織(zhi)誘導(dao)(dao)率(lv)和(he)(he)(he)外(wai)(wai)植(zhi)體(ti)(ti)褐變(bian)率(lv)均存在(zai)顯(xian)(xian)(xian)著(zhu)差(cha)異,誘導(dao)(dao)率(lv)和(he)(he)(he)褐變(bian)率(lv)之間呈(cheng)顯(xian)(xian)(xian)著(zhu)的(de)(de)負相關關系。外(wai)(wai)植(zhi)體(ti)(ti)、外(wai)(wai)源激素和(he)(he)(he)培(pei)(pei)養(yang)基(ji)(ji)對愈(yu)傷(shang)(shang)組(zu)(zu)織(zhi)的(de)(de)誘導(dao)(dao)有(you)(you)顯(xian)(xian)(xian)著(zhu)影響(xiang),不(bu)同品種(zhong)和(he)(he)(he)外(wai)(wai)植(zhi)體(ti)(ti)的(de)(de)適宜誘導(dao)(dao)培(pei)(pei)養(yang)基(ji)(ji)不(bu)同。光(guang)照對愈(yu)傷(shang)(shang)組(zu)(zu)織(zhi)的(de)(de)誘導(dao)(dao)有(you)(you)顯(xian)(xian)(xian)著(zhu)的(de)(de)抑制作(zuo)用(yong);高(gao)濃(nong)度(du)(du)生長(chang)素、低濃(nong)度(du)(du)細(xi)胞分(fen)裂素,促進(jin)愈(yu)傷(shang)(shang)組(zu)(zu)織(zhi)的(de)(de)增(zeng)殖,高(gao)濃(nong)度(du)(du)細(xi)胞分(fen)裂素及(ji)低濃(nong)度(du)(du)生長(chang)素促進(jin)愈(yu)傷(shang)(shang)組(zu)(zu)織(zhi)芽(ya)分(fen)化(hua);固體(ti)(ti)培(pei)(pei)養(yang)比液體(ti)(ti)培(pei)(pei)養(yang)更有(you)(you)利(li)于愈(yu)傷(shang)(shang)組(zu)(zu)織(zhi)的(de)(de)增(zeng)殖和(he)(he)(he)芽(ya)分(fen)化(hua)。
從(cong)翅果(guo)油(you)樹葉(xie)片(pian)中提(ti)(ti)(ti)取多(duo)(duo)糖(tang)(tang)(tang),并(bing)分析其體外抗(kang)氧化活性(xing)(xing)。方法(fa)(fa)采用(yong)熱水浸提(ti)(ti)(ti)-乙(yi)(yi)醇(chun)沉淀法(fa)(fa)制備翅果(guo)油(you)樹多(duo)(duo)糖(tang)(tang)(tang),采用(yong)碘(dian)量法(fa)(fa)測(ce)定(ding)各級(ji)多(duo)(duo)糖(tang)(tang)(tang)對(dui)豬油(you)抗(kang)氧化性(xing)(xing)能的(de)影響,用(yong)鄰苯三酚自氧化法(fa)(fa)、番紅(hong)花(hua)紅(hong)光度法(fa)(fa)測(ce)定(ding)各級(ji)多(duo)(duo)糖(tang)(tang)(tang)對(dui)超氧陰離子(zi)、羥(qian)基(ji)(ji)(ji)(ji)自由(you)基(ji)(ji)(ji)(ji)的(de)抑制作(zuo)用(yong)。結果(guo)多(duo)(duo)糖(tang)(tang)(tang)的(de)總提(ti)(ti)(ti)取率為(wei)(wei)0.897%,其中乙(yi)(yi)醇(chun)的(de)體積為(wei)(wei)提(ti)(ti)(ti)取液的(de)1倍時(shi)(shi),所得多(duo)(duo)糖(tang)(tang)(tang)的(de)產量最(zui)大(da)(da),為(wei)(wei)0.524%。各級(ji)多(duo)(duo)糖(tang)(tang)(tang)對(dui)動(dong)物油(you)脂過氧化的(de)抑制活性(xing)(xing)相(xiang)當;乙(yi)(yi)醇(chun)用(yong)量為(wei)(wei)提(ti)(ti)(ti)取液的(de)3倍時(shi)(shi),所得多(duo)(duo)糖(tang)(tang)(tang)對(dui)羥(qian)基(ji)(ji)(ji)(ji)自由(you)基(ji)(ji)(ji)(ji)清除率最(zui)大(da)(da),為(wei)(wei)77.55%;乙(yi)(yi)醇(chun)用(yong)量為(wei)(wei)提(ti)(ti)(ti)取液的(de)6倍時(shi)(shi),對(dui)超氧陰離子(zi)的(de)清除率達最(zui)大(da)(da),所得多(duo)(duo)糖(tang)(tang)(tang)為(wei)(wei)34.54%。結論翅果(guo)油(you)樹葉(xie)片(pian)各級(ji)多(duo)(duo)糖(tang)(tang)(tang)均能有較地清除自由(you)基(ji)(ji)(ji)(ji),并(bing)且各級(ji)多(duo)(duo)糖(tang)(tang)(tang)對(dui)動(dong)物油(you)脂的(de)過氧化有較強的(de)抑制作(zuo)用(yong),從(cong)而提(ti)(ti)(ti)高油(you)脂的(de)穩定(ding)性(xing)(xing)。
應用擴散系(xi)數(shu)、聚(ju)(ju)集(ji)指(zhi)數(shu)、平(ping)均擁擠度、聚(ju)(ju)塊性指(zhi)數(shu)、指(zhi)數(shu)、聚(ju)(ju)集(ji)強度、負二項分(fen)布(bu)的(de)x2擬合檢驗等方(fang)法,研(yan)究了山西翅果油樹群落優勢(shi)(shi)種(zhong)(zhong)(zhong)群的(de)分(fen)布(bu)格局(ju),并用相關分(fen)析比較(jiao)了6個(ge)指(zhi)數(shu)間的(de)關系(xi),結果表明(ming):翅果油樹分(fen)布(bu)格局(ju)呈隨機(ji)型,其余(yu)22個(ge)優勢(shi)(shi)種(zhong)(zhong)(zhong)的(de)分(fen)布(bu)格局(ju)皆為聚(ju)(ju)集(ji)型,這主要與物(wu)種(zhong)(zhong)(zhong)本(ben)身(shen)的(de)生(sheng)態和生(sheng)物(wu)學(xue)特性有(you)關,以及與物(wu)種(zhong)(zhong)(zhong)的(de)競爭(zheng)排斥作用有(you)密(mi)切(qie)聯系(xi)。在判定物(wu)種(zhong)(zhong)(zhong)分(fen)布(bu)格局(ju)的(de)8種(zhong)(zhong)(zhong)方(fang)法中(zhong),以方(fang)差(cha)/均值比率、負二項分(fen)布(bu)的(de)X2擬合檢驗聯合運用效果較(jiao)好,不僅生(sheng)態學(xue)意(yi)(yi)義明(ming)確(que),而且結果具有(you)嚴(yan)格的(de)統計學(xue)意(yi)(yi)義。