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Structures of Different Vegetative Organs of Peucedanum praeruptorum Dunn and the Distribution Law of Secretory Canals in Different Organs

白花前胡营养器官结构及其分泌道分布规律的研究



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,2016,36(4):0696-0699
犃犮狋犪犅狅狋.犅狅狉犲犪犾.犗犮犮犻犱犲狀狋.犛犻狀.
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犇狌狀狀犪狀犱狋犺犲犇犻狊狋狉犻犫狌狋犻狅狀犔犪狑狅犳犛犲犮狉犲狋狅狉狔犆犪狀犪犾狊犻狀犇犻犳犳犲狉犲狀狋犗狉犵犪狀狊
SONGLimin1,HANBangxing2,LIANGWenxing1,HUZhenghai3,TANLingling4
(1ColegeofAgronomyandPlantProtection,QingdaoAgriculturalUniversity,Qingdao,Shandong266109,China;2Colegeof
BiologicalandPharmaceuticalEngineering,WestAnhuiUniversity,Lu’an,Anhui237012,China;3ColegeofLifeScience,North
westUniversity,Xi’an710069,China;4ColegeofLifeScience,QingdaoAgriculturalUniversity/KeyLabofPlantBiotechnology
inShandongProvince,Qingdao,Shandong266109,China)
犃犫狊狋狉犪犮狋:Thestructuresofdifferentvegetativeorgansandthedistributionlawofsecretorycanalsindiffer
entvegetativeorgansof犘犲狌犮犲犱犪狀狌犿狆狉犪犲狉狌狆狋狅狉狌犿 Dunnwereinvestigatedbyparaffinsectionmethod.
Theresultsshowedthat:1)thetaprootof犘.狆狉犪犲狉狌狆狋狅狉狌犿Dunnwasformedbyperiderm,pericyclicparen
chymatissueandsecondaryvasculartissuefromoutsidetoinsideandthepericyclicparenchymatissuewas
astructurethatwasdifferentfromthecommonstructureofherbaceousplantsindicotyledon.Thestem
wascomposedofepidermis,cortexandvasculartissuesfromtheexteriortotheinterior;theleafwasabifa
cialleaf.2)Thereweresecretorycanalsinalvegetativeorgansof犘.狆狉犪犲狉狌狆狋狅狉狌犿 Dunn,includingthe
root,thestemandtheleaf.Thesecretorycanalsweredistributedinpericyclicparenchymatissueandinsec
ondaryphloemoftheroot;inthestem,theywereinthecortexandthepith;andintheleaf,theywereinthe
parenchymaaroundthevascular.Theresearchcouldoffertheanatomicdatafordiscussingtherelationship
betweenthedistributionofsecretorystructureandtheaccumulationofsecondarymetabolites.
犓犲狔狑狅狉犱狊:犘犲狌犮犲犱犪狀狌犿狆狉犪犲狉狌狆狋狅狉狌犿 Dunn;vegetativeorgans;structure;secretorycanal;distributionlaw
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[1] (),*+”.uvwx^$%ˆäÒ&NO[J].¨ê,^
#$$Ô
,2008,27(4):4445,52.
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!":%
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TANLL,HOUXM.Developmentanddistributionlawofsecre
torycanalsindiferentorgansof犅狌狆犾犲狌狉狌犿犮犺犻狀犲狀狊犲DC.[J].
犆犺犻狀犲狊犲犃犵狉犻犮狌犾狋狌狉犪犾犛犮犻犲狀犮犲犅狌犾犾犲狋犻狀,2013,29(1):141144.
[14] ù 1,klm.úûü#.„…†ç2¯„‡}š›%s
t
[J].#$$ÔZï%&,2008,17(2):6670.
XINH,DINGYL.Anatomicalobservationofdevelopmentand
distributionofsecretoryductin犌犾犲犺狀犻犪犾犻狋狅狉犪犾犻狊[J].犑狅狌狉狀犪犾狅犳
犘犾犪狀狋犚犲狊狅狌狉犮犲狊犪狀犱犈狀狏犻狉狅狀犿犲狀狋,2008,17(2):6670.
[15] ù 1,klm.úûü¨ÿÉ!}­®è%ø[[J].U!#
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,2008,28(6):847850.
XINH,DINGYL.Histochemicalalocationofcoumarinin
犌犾犲犺狀犻犪犾犻狋狋狅狉犪犾犻狊[J].犌狌犻犺犪犻犪,2008,28(6):847850.
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Fig.1.Partialcrosssectionoftheroot,showingthestructureofperiderm;Fig.2.Partialcrosssectionoftheroot,showingthesecretoryca
nalinpericycleparenchymatissue;Fig.3.Partialcrosssectionoftheroot,showingthesecondaryvasculartissueandthesecretorycanalinthe
secondaryphloem;Fig.4.Partialcrosssectionoftheroot,showingthesecondaryxylem;Fig.5.Partialcrosssectionoftheroot,showingthese
cretorycanalinthesecondaryphloem;Fig.6.Partialcrosssectionofthestem,showingdifferenthistologicalstructuresofthestem;Fig.7.Par
tialcrosssectionofthestem,showingthesecretorycanalincortexandpith;Fig.8.Partialcrosssectionoftheleaf,showingdifferenthistological
structuresoftheleaf;Fig.9.Partialcrosssectionoftheleaf,showingdifferenthistologicalstructuresofthevascularbundle.

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