Section 14
Chapter 13,409

Interactions between cytokinin-active substances and fruit growth of Actinidia deliciosa (green kiwifruit) and an Actinidia chinensis selection

Woolley, D.J.; Currie, M.B.

Acta Horticulturae 727: 203-208


ISSN/ISBN: 0567-7572
Accession: 013408518

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The limiting hormone for fruit growth in A. deliciosa appeared to be cytokinins. N-(2-cloro-4-pyridyl)-N'-phenylurea (CPPU dramatically stimulated the growth of both A. deliciosa and some A. chinensis selections, but natural cytokinins and other synthetic cytokinins had only low activity. Evidence is presented that CPPU interacts positively with naturally occurring cytokinins in stimulating fruit growth of kiwifruit, suggesting a possible protective role for CPPU.

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