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Factors Controlling Meristematic Activity in Excised Roots. V Effects of β‐indolylacetic Acid, β‐indolylacetonitrile and α‐(l‐naphthylmethylsulphide)‐propionic acid on the Growth and Survival of Roots of Lycopersicum esculentum , Mill

Factors Controlling Meristematic Activity in Excised Roots. V Effects of β‐indolylacetic Acid,... 11. K. STREET (if liolany, Universily of Manche.ster. I Received December 11, 1953) Introduction The duralioii of aclivify of the tuaiu iixis meri.slems of excised Unuato roots can he increased by separaliii^' Ihe tueristcms from Ihe root syslems to which they have ifiven ri.se. This has heen explained by postulatinf,' an iiifenial infUieuce exerted ou the meristem hy the main axis and its a.ssociated laterals (Street aud Roherts 1U52; Street. Mc(iouaf.lle aud Roherts 1953). Main axis merislems only fuuctioued for a limited lime when the roots were allowed to develop hi coii.stantly renewed culture medium of favourable pH and coutainiuji all the necessary orj,'aui<' aud iiioi-Kauic luitrieuts iu nde(iuate couceutratiou. 1 therefore appeared probable that the iiiflueuce of the root 1 system on the activity of its uiaiu axis meristeui was ot a hormonal nature rather than an effect of an iuternal competition f{)r nutrients. The stimulatiou of main axis growth, eheckiiii; of lateral development aud euhaucemeut of survival by low iulensity ilhtmiiiation iStreet 1953) would ou the ahove hypothe.sis be explaiued by postulalinjf a lijjht effect on the hormonal balance within the excised root, (ialston's 11950) fiudiuji that light stimulates the IAA oxidizing system in etiolated pea http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physiologia Plantarum Wiley

Factors Controlling Meristematic Activity in Excised Roots. V Effects of β‐indolylacetic Acid, β‐indolylacetonitrile and α‐(l‐naphthylmethylsulphide)‐propionic acid on the Growth and Survival of Roots of Lycopersicum esculentum , Mill

Physiologia Plantarum , Volume 7 (2) – Apr 1, 1954

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References (23)

Publisher
Wiley
Copyright
Copyright © 1954 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0031-9317
eISSN
1399-3054
DOI
10.1111/j.1399-3054.1954.tb07571.x
Publisher site
See Article on Publisher Site

Abstract

11. K. STREET (if liolany, Universily of Manche.ster. I Received December 11, 1953) Introduction The duralioii of aclivify of the tuaiu iixis meri.slems of excised Unuato roots can he increased by separaliii^' Ihe tueristcms from Ihe root syslems to which they have ifiven ri.se. This has heen explained by postulatinf,' an iiifenial infUieuce exerted ou the meristem hy the main axis and its a.ssociated laterals (Street aud Roherts 1U52; Street. Mc(iouaf.lle aud Roherts 1953). Main axis merislems only fuuctioued for a limited lime when the roots were allowed to develop hi coii.stantly renewed culture medium of favourable pH and coutainiuji all the necessary orj,'aui<' aud iiioi-Kauic luitrieuts iu nde(iuate couceutratiou. 1 therefore appeared probable that the iiiflueuce of the root 1 system on the activity of its uiaiu axis meristeui was ot a hormonal nature rather than an effect of an iuternal competition f{)r nutrients. The stimulatiou of main axis growth, eheckiiii; of lateral development aud euhaucemeut of survival by low iulensity ilhtmiiiation iStreet 1953) would ou the ahove hypothe.sis be explaiued by postulalinjf a lijjht effect on the hormonal balance within the excised root, (ialston's 11950) fiudiuji that light stimulates the IAA oxidizing system in etiolated pea

Journal

Physiologia PlantarumWiley

Published: Apr 1, 1954

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