Decreased cytokinin production in the roots as a factor in shoot senescence

Dov Sitton, Chanan Itai, Hans Kende

Research output: Contribution to journalArticlepeer-review

79 Scopus citations

Abstract

The cytokinin content of root exudate of sunflowers increases during the exponential growth phase of the plants. The concentration of cytokinins drops, however, by a factor of ten when the plants have reached their final size. The reduced supply of cytokinins from the root to the shoot is regarded as one of the factors bringing about shoot senescence.

Original languageEnglish
Pages (from-to)296-300
Number of pages5
JournalPlanta
Volume73
Issue number3
DOIs
StatePublished - 1 Sep 1967
Externally publishedYes

ASJC Scopus subject areas

  • Genetics
  • Plant Science

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