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  • Turkish Journal of Agriculture and Forestry
  • Volume:32 Issue:4
  • High Efficiency Somatic Embryogenesis from Immature Zygotic Embryos of Grapevine: The Effect of Geno...

High Efficiency Somatic Embryogenesis from Immature Zygotic Embryos of Grapevine: The Effect of Genotype, Media, 2,4-D, and Incubation Conditions

Authors : Serpil GÖK TANGOLAR, Saadet BÜYÜKALACA, Fuat ERGENOĞLU
Pages : 311-317
View : 22 | Download : 11
Publication Date : 2008-07-01
Article Type : Research Paper
Abstract :41 B Amerikan asma anac› insert ignore into journalissuearticles values(V. vinifera L. cv. ‘Chasselas’ × V. berlandieri); ve Yalova ‹ncisi üzüm çeflidinin insert ignore into journalissuearticles values(V. vinifera L.); olgunlaflmam›fl zigotik embriyo eksplantlar›, içerisinde 0.5, 1, 2 ve 4 mg l-1 2,4-D bulunan MS, NN ve B5 besi ortamlar›nda, fotoperyodu 16/8 saat ›fl›k/karanl›k ve tamamen karanl›k koflullarda kültüre al›nm›flt›r. 41 B anac›nda en yüksek oranda somatik embriyo oluflumu karanl›k koflullardaki 0.5 ve 1 mg l-1 2,4-D içeren B5 ortamlar›nda s›ras›yla % 30 ve % 28.9 oran›nda saptanm›flt›r. Yalova ‹ncisi zigotik embriyolar› yaln›z 1 mg l-1 2,4-D içeren MS ortam›n›n fotoperyodu 16/8 saat ›fl›k/karanl›k kültürlerinde % 5; 0.5 mg l-1 2,4-D içeren NN ortam›n›n fotoperyodu 16/8 saat ›fl›k/karanl›k ve tamamen karanl›k kültürlerinde ise s›ras›yla % 6.3 ve % 2.3 oranlar›nda somatik embriyo oluflturmufltur. Sekiz ayl›k kültür süresi sonunda 41 B’nin B5+1 mg l-1 2,4- D+karanl›k kültürlerinde 559 adet, Yalova ‹ncisi’nin NN+0.5 mg l-1 2,4-D+ayd›nl›k kültürlerinde ise 912 adet embriyonun torpedo evresinde oldu¤u belirlenmifltir. En yüksek çimlenme ve tam bitkiye dönüflüm oran› hormonsuz NN ortam›nda kültüre al›nan 41 B’ den insert ignore into journalissuearticles values(s›ras›yla % 58 ve % 75);; Yalova ‹ncisi’nde ise hormonsuz MS ortam›nda insert ignore into journalissuearticles values(s›ras›yla % 77.4 ve % 45); elde edilmifltir. Rejenerasyon gösteren somatik bitkiciklerin % 91.9’ u baflar›yla topra¤a aktar›lm›flt›r.
Keywords : Grapevine, zygotic embryo, somatic embryo, regeneration

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