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Mycorrhiza - production of plant growt/development hormones ???

Richard Winder rwinder at PFC.Forestry.CA
Mon Feb 20 12:30:19 EST 1995

In article <bjorn.34.00100CBE at kjemi.tih.no>, bjorn at kjemi.tih.no (Bjorn Ness) writes:
>I searche for information about possible mycorrhizal production of plant 
>growth hormones  (auxins, gibberrelin, cytokins).
>I am well awere of the role mycorrhiza play in suporting the trees (/plants) 
>with mineral components from the soil. But someone once wrote about plant 
>hormone production as well.  Do anyone have som information on this ??
Most standard plant physiology texts will give you some basic information
on this- my dated copy of Salisbury & Ross, for example, explains that auxins,
as well as the cytokinins zeatin and zeatin riboside stimulate ectomycorrhizae
formation.  Plant hormone production by the fungal symbiont plays a role in
determining the degree of branching in a mycorrhizal root (increased branching
= more surface area for infection = greater transfer of nutrients, etc.)  If 
you need more info., there are many books on the general topic (and not a few
lurkers in this group that probably know a lot more about this).

  RICHARD WINDER                    Title: Research Scientist
  Canadian Forest Service           Phone: (604) 363-0773
  Victoria, B.C.                    Internet: RWINDER at A1.PFC.Forestry.CA

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