About: THE ROLE OF AUXIN AND CYTOKININS IN PEA AXILLARY BUD GROWTH AFTER BREAKING OF APICAL DOMINANCE     Goto   Sponge   NotDistinct   Permalink

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  • In buds from the 2nd primary scales of decapitated pea plants the increase of the IAA level already 2 hrs and increase of cytokinin (CK) levels 6 hrs after decapitation was recorded. It is well known that auxin is the main factor of cell expansion and cytokinins are activators of cell division. The beginning of bud growth was recorded 2 hrs after their release from apical dominance, and was accompanied with cell elongation, whereas cell division begins after 6 hrs and reaches the maximum after about 18 hrs (Devitt, Stafstrom, 1995). Generally, the roots are considered the source of cytokinins, but it has been speculated that the CKs could be synthesised also in the buds. Therefore, isolated pea buds cultivated on MS medium without growth regulators were used. Similarly as in decapitated plants, transient IAA peak at 2 hrs and then an increase of cytokinins in buds was observed. Thereby, de novo biosynthesis of cytokinins in the isolated buds was proven.
  • In buds from the 2nd primary scales of decapitated pea plants the increase of the IAA level already 2 hrs and increase of cytokinin (CK) levels 6 hrs after decapitation was recorded. It is well known that auxin is the main factor of cell expansion and cytokinins are activators of cell division. The beginning of bud growth was recorded 2 hrs after their release from apical dominance, and was accompanied with cell elongation, whereas cell division begins after 6 hrs and reaches the maximum after about 18 hrs (Devitt, Stafstrom, 1995). Generally, the roots are considered the source of cytokinins, but it has been speculated that the CKs could be synthesised also in the buds. Therefore, isolated pea buds cultivated on MS medium without growth regulators were used. Similarly as in decapitated plants, transient IAA peak at 2 hrs and then an increase of cytokinins in buds was observed. Thereby, de novo biosynthesis of cytokinins in the isolated buds was proven. (en)
Title
  • THE ROLE OF AUXIN AND CYTOKININS IN PEA AXILLARY BUD GROWTH AFTER BREAKING OF APICAL DOMINANCE
  • THE ROLE OF AUXIN AND CYTOKININS IN PEA AXILLARY BUD GROWTH AFTER BREAKING OF APICAL DOMINANCE (en)
skos:prefLabel
  • THE ROLE OF AUXIN AND CYTOKININS IN PEA AXILLARY BUD GROWTH AFTER BREAKING OF APICAL DOMINANCE
  • THE ROLE OF AUXIN AND CYTOKININS IN PEA AXILLARY BUD GROWTH AFTER BREAKING OF APICAL DOMINANCE (en)
skos:notation
  • RIV/62156489:_____/01:21100009!RIV/2002/MSM/430002/N
http://linked.open.../vavai/riv/strany
  • 78;78
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 432100001)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 694926
http://linked.open...ai/riv/idVysledku
  • RIV/62156489:_____/01:21100009
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • auxin; cytokinin; pea; apical dominance (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [613EDF49222F]
http://linked.open...v/mistoKonaniAkce
  • Brno, Czech Republic
http://linked.open...i/riv/mistoVydani
  • Brno, Czech Republic
http://linked.open...i/riv/nazevZdroje
  • 17th International Conference on Plant Growth Substances
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...ocetUcastnikuAkce
http://linked.open...nichUcastnikuAkce
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Balla, Jozef
  • Procházka, Stanislav
  • Reinöhl, Vilém
  • Blažková, Jarmila
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Neuveden
https://schema.org/isbn
  • 80-7157-518-6
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