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Enhancement of Gibberellin Activity by Ethylenediaminetetraacetic Acid in Celery Seeds and Embryoless Barley Seeds
Year:
1975
Source of publication :
Physiologia Plantarum
Authors :
Palevitch, Dan
;
.
Volume :
34
Co-Authors:
PALEVITCH, D., Division of Vegetable Crops, Volcani Center, Agricultural Research Organization, Bet Dagau, Israel
THOMAS, T.H., Division of Vegetable Crops, Volcani Center, Agricultural Research Organization, Bet Dagau, Israel
Facilitators :
From page:
134
To page:
137
(
Total pages:
4
)
Abstract:
The phytochrome‐controlled dormancy of celery seeds (Apium graveolens L.) can be broken by exogenously applied growth regulators. Gibberellins, especially the mixture of GA4 and GA7 appeared to be the primary stimuli for germination of darkincubated seeds. However, concentrations less than 1 mM were ineffective in replacing the light requirement in one celery cultivar (cv.Utah), and in another cultivar (cv.Lathom Blanching), concentrations above 1 mM were insufficient. The addition of ethylenediaminetetraacetic acid (EDTA) to gibberellins, increased markedly their activity and reduced by several orders of magnitude the gibberellin concentrations needed to stimulate a light treatment. This synergistic activity is similar to the effect of benzyladenine (BA) or Succinic acid‐2,2‐dimethylhydrazide (SADH) when added to gibberellins. In a diverse plant system, the mixture of gibberellin with EDTA increased significantly the amount of reducing sugars released by embryoless barley seeds. Copyright © 1975, Wiley Blackwell. All rights reserved
Note:
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More details
DOI :
10.1111/j.1399-3054.1975.tb03807.x
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
30379
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:54
Scientific Publication
Enhancement of Gibberellin Activity by Ethylenediaminetetraacetic Acid in Celery Seeds and Embryoless Barley Seeds
34
PALEVITCH, D., Division of Vegetable Crops, Volcani Center, Agricultural Research Organization, Bet Dagau, Israel
THOMAS, T.H., Division of Vegetable Crops, Volcani Center, Agricultural Research Organization, Bet Dagau, Israel
Enhancement of Gibberellin Activity by Ethylenediaminetetraacetic Acid in Celery Seeds and Embryoless Barley Seeds
The phytochrome‐controlled dormancy of celery seeds (Apium graveolens L.) can be broken by exogenously applied growth regulators. Gibberellins, especially the mixture of GA4 and GA7 appeared to be the primary stimuli for germination of darkincubated seeds. However, concentrations less than 1 mM were ineffective in replacing the light requirement in one celery cultivar (cv.Utah), and in another cultivar (cv.Lathom Blanching), concentrations above 1 mM were insufficient. The addition of ethylenediaminetetraacetic acid (EDTA) to gibberellins, increased markedly their activity and reduced by several orders of magnitude the gibberellin concentrations needed to stimulate a light treatment. This synergistic activity is similar to the effect of benzyladenine (BA) or Succinic acid‐2,2‐dimethylhydrazide (SADH) when added to gibberellins. In a diverse plant system, the mixture of gibberellin with EDTA increased significantly the amount of reducing sugars released by embryoless barley seeds. Copyright © 1975, Wiley Blackwell. All rights reserved
Scientific Publication
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