Morphological, anatomical characteristics and propagation ability of Dysosmaton kinense (Gagnep.) M. Hiroe

Received: 28-10-2020

Accepted: 17-12-2020

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Issue: Vol. 19 No. 2 (2021)

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NÔNG HỌC

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Khanh, P., Phip, N., & Huyen, P. (2024). Morphological, anatomical characteristics and propagation ability of Dysosmaton kinense (Gagnep.) M. Hiroe. Vietnam Journal of Agricultural Sciences, 19(2), 173–184. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/786

Morphological, anatomical characteristics and propagation ability of Dysosmaton kinense (Gagnep.) M. Hiroe

Pham Ngoc Khanh (*) 1, 2 , Ninh Thi Phip 3 , Pham Thanh Huyen 1

  • 1 Viện Dược liệu
  • 2 NCS Khoa Nông học, Học viện Nông nghiệp Việt Nam
  • 3 Khoa Nông học, Học viện Nông nghiệp Việt Nam

    • Keywords

    Dysosmatonkinense, morphology, anatomy, propagation

    Abstract


    Dysosmatonkinense(Gagnep.)M.Hiroe- Berberidaceaeisapreciousmedicinalplantspecies.Duetolowregenerationabilityandover-exploitation,ithasbeenclassifiedas“Endangered(EN)species”ontheVietnamRedListandrequiredfurtherstudyfortheconservation,suitableexploitationanddevelopmentofthisgeneticresource.Thisstudyaimstoidentifythemorphologicalandanatomicalcharacteristics,especiallythoseofflowersandroots;andevaluatedthesexualandasexualpropagationofD.tonkinense.Theresultsshowedthatflowerswerehermaphroditewith6-7(8)calyxs,6-7(8)corollas,6stamens,andapistil.Seedshadathickcoatandshorttimedormancy.Thehighestgerminationpercentage(84.4%)andrateofstandardseedlingswereobtainedintheBQ0treatment(sowingseedsafterharvesting).TheanatomyofD.tonkinenseroottransversesectionincludedtheepidermis,cortex(parenchyma),endodermis,pericycle,vascularbundlesandpith.Adventitiousshootsoriginatedfromacelllayerofrootpericycle.ThesuitabletimetocuttingrootswasMay15thwith81.3%ofcuttingswereestablishedafter200days.ApplicationofGA3attheconcentrationbetween100ppmto175ppmreducedtimingforcuttingto150-190daysandimprovedcuttingqualitywith86.9%to89.5%reachedoutplantingstandards.

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