資源描述：
《干旱脅迫對野生大豆幼苗光合作用相關(guān)指標的影響-論文.pdf》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、第32卷第3期大豆科學Vo1．32No．62013年6月S0YBEANSCIENCEJun．2Ol3干旱脅迫對野生大豆幼苗光合作用相關(guān)指標的影響徐艷平，胡翠美，張文會，劉立科，趙仁貴(1．吉林農(nóng)業(yè)大學農(nóng)學院，吉林長春130118；2．聊城大學生命科學學院，山東聊城252059)摘要：分別采用含5％和10％PEG-6000的Hongland營養(yǎng)液模擬干旱脅迫，對來自于山東省不同地區(qū)的6個野生大豆材料進行處理，研究了干旱對野生大豆幼苗葉片的花青素、葉綠素、類胡蘿卜素、相對含水量，以及葉綠素熒光參數(shù)等光合作用相關(guān)生理指標的影響。結(jié)果
2、表明：除Y1(ZYD03245，山東臨朐縣)外，其他5個野生大豆幼苗葉片的花青素、葉綠素和類胡蘿卜素含量隨著脅迫的加強均呈升高的趨勢；6個材料的相對含水量及葉綠素熒光參數(shù)均隨著干旱脅迫的加強呈下降的趨勢。以上述指標綜合評價6個野生大豆的抗旱性，Y4(山東陽谷縣)和Y6(山東聊城東昌府區(qū))最強，Y2(ZYD03269，山東無棣縣)、Y3(山東墾利縣)和Y5(山東廣饒縣)次之，Y1(ZYD03245，山東臨朐縣)最差。關(guān)鍵詞：野生大豆；抗旱性；花青素；類胡蘿卜素；相對含水量；葉綠素熒光參數(shù)中圖分類號：$565．1文獻標識碼：A文章
3、編號：1000．9841(2013)03-0341-05EfectofSimulatedDroughtStressOnPh0t0synthesisRelatedIndexesatSeedlingStage0fWildSoybeansXuYan—ping’。HUCui．mei，ZHANGWen．hui，LIULi．ke。ZHA0Ren．gui(1．CollegeofAgronomy，JilinAculturalUniversity，Changchun130118，China；2．SchoolofLifeScience，Liaoc
4、hengUniversity，Iiaocheng252059，China)Abstract：SixwildsoybeanswerecollectedfromShandongprovinceincludingY1(ZYD03245，fromLinqucounty)，Y2(ZYD03269，fromWudicounty)，Y3(fromKenlicounty)，Y4(fromYanggucounty)，Y5(fromGuangraocounty)andY6(fromDongchangfudistrict)．Inordertoinv
5、estigatethedroughttoleranceofthesewildsoybeans，simulateddroughttreatmentwascarriedoutwithPEG-6000at5％and10％concentrationatseedlingstage．Fivephysiologicalindexesincludinganthocyanincontent，chlorophyllcontent。carotenoidcontent，relativewatercontentandchlorophyllfluores
6、cenceparametersweredeterminedtoassessthedroughttoleranceofthe6wildsoybeans．Theresultsshowedthat：(1)asthesimulateddroughtstressincreased．a(chǎn)nthocyanincontent，chlorophyllcontentandcarotenoidcontentincreasedinallwildsoybeansexceptY1：(2)relativewatercontentandchlorophyllf
7、luorescenceofallwildsoybeansincreasedassimulateddroughtstressincreased．Fromthepointofviewoftheanthocyanincontentandcarotenoidcontent．theorderofdroughttoleranceofthe6wildsoybeanswereY4>Y6>Y2>Y5>Y3>Y1．Ontheotherhand．basedonrelativewatercontentandchlorophyllfluorescenc
8、e．theordersofdroughtto1．erancewereY4>Y6>Y5>Yl>Y3>Y2andY4>Y5>Y6>Y3>Y2>Y1．respectively．Consideringallthephysiologicalindexestogether，itcould
