Cytokinins and leaf development in sweet pepper (Capsicum annuum L.) - II. Sink metabolism in relation to cytokinin-promoted leaf expansion

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Cytokinins and leaf development in sweet pepper (Capsicum annuum L.) - II. Sink metabolism in relation to cytokinin-promoted leaf expansion. / Nielsen, Tom H.; Ulvskov, Peter.

In: Planta, Vol. 188, No. 1, 1992, p. 78-84.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Nielsen, TH & Ulvskov, P 1992, 'Cytokinins and leaf development in sweet pepper (Capsicum annuum L.) - II. Sink metabolism in relation to cytokinin-promoted leaf expansion', Planta, vol. 188, no. 1, pp. 78-84. https://doi.org/10.1007/BF00198942

APA

Nielsen, T. H., & Ulvskov, P. (1992). Cytokinins and leaf development in sweet pepper (Capsicum annuum L.) - II. Sink metabolism in relation to cytokinin-promoted leaf expansion. Planta, 188(1), 78-84. https://doi.org/10.1007/BF00198942

Vancouver

Nielsen TH, Ulvskov P. Cytokinins and leaf development in sweet pepper (Capsicum annuum L.) - II. Sink metabolism in relation to cytokinin-promoted leaf expansion. Planta. 1992;188(1):78-84. https://doi.org/10.1007/BF00198942

Author

Nielsen, Tom H. ; Ulvskov, Peter. / Cytokinins and leaf development in sweet pepper (Capsicum annuum L.) - II. Sink metabolism in relation to cytokinin-promoted leaf expansion. In: Planta. 1992 ; Vol. 188, No. 1. pp. 78-84.

Bibtex

@article{bf08c825a8084809b83fb174d4a0928f,
title = "Cytokinins and leaf development in sweet pepper (Capsicum annuum L.) - II. Sink metabolism in relation to cytokinin-promoted leaf expansion",
abstract = "Stimulation of leaf expansion by an exogenous cytokinin was studied in isolated leaf discs of sweet pepper with emphasis on the assimilate utilization of the tissue. Leaf discs were floated on solutions containing sucrose and plant growth regulators. Benzyladenine (BA) promoted the area expansion rate of the leaf discs. Sucrose at 100 mM resulted in increased area expansion rate compared with 10 mM sucrose. However, the increased sucrose concentration had no influence on the effect of BA. Over a period of 24 h, treatment with BA did not result in any change of sucrose uptake nor of the partitioning of assimilated carbon in the leaf discs. Neither did BA treatment affect the activity of acid invertase (EC 3.2.1.26) or pyrophosphate-dependent phosphofructokinase (EC 2.7.1.90) in the leaf discs. We conclude that the observed promotion of leaf area expansion by exogenous BA is not mediated through the uptake of sucrose or the carbohydrate metabolism of the leaf tissue.",
keywords = "Capsicum (cytokinin, leaf development), Cytokinin (leaf expansion), Leaf area expansion, Sink metabolism, Sucrose",
author = "Nielsen, {Tom H.} and Peter Ulvskov",
year = "1992",
doi = "10.1007/BF00198942",
language = "English",
volume = "188",
pages = "78--84",
journal = "Planta",
issn = "0032-0935",
publisher = "Springer",
number = "1",

}

RIS

TY - JOUR

T1 - Cytokinins and leaf development in sweet pepper (Capsicum annuum L.) - II. Sink metabolism in relation to cytokinin-promoted leaf expansion

AU - Nielsen, Tom H.

AU - Ulvskov, Peter

PY - 1992

Y1 - 1992

N2 - Stimulation of leaf expansion by an exogenous cytokinin was studied in isolated leaf discs of sweet pepper with emphasis on the assimilate utilization of the tissue. Leaf discs were floated on solutions containing sucrose and plant growth regulators. Benzyladenine (BA) promoted the area expansion rate of the leaf discs. Sucrose at 100 mM resulted in increased area expansion rate compared with 10 mM sucrose. However, the increased sucrose concentration had no influence on the effect of BA. Over a period of 24 h, treatment with BA did not result in any change of sucrose uptake nor of the partitioning of assimilated carbon in the leaf discs. Neither did BA treatment affect the activity of acid invertase (EC 3.2.1.26) or pyrophosphate-dependent phosphofructokinase (EC 2.7.1.90) in the leaf discs. We conclude that the observed promotion of leaf area expansion by exogenous BA is not mediated through the uptake of sucrose or the carbohydrate metabolism of the leaf tissue.

AB - Stimulation of leaf expansion by an exogenous cytokinin was studied in isolated leaf discs of sweet pepper with emphasis on the assimilate utilization of the tissue. Leaf discs were floated on solutions containing sucrose and plant growth regulators. Benzyladenine (BA) promoted the area expansion rate of the leaf discs. Sucrose at 100 mM resulted in increased area expansion rate compared with 10 mM sucrose. However, the increased sucrose concentration had no influence on the effect of BA. Over a period of 24 h, treatment with BA did not result in any change of sucrose uptake nor of the partitioning of assimilated carbon in the leaf discs. Neither did BA treatment affect the activity of acid invertase (EC 3.2.1.26) or pyrophosphate-dependent phosphofructokinase (EC 2.7.1.90) in the leaf discs. We conclude that the observed promotion of leaf area expansion by exogenous BA is not mediated through the uptake of sucrose or the carbohydrate metabolism of the leaf tissue.

KW - Capsicum (cytokinin, leaf development)

KW - Cytokinin (leaf expansion)

KW - Leaf area expansion

KW - Sink metabolism

KW - Sucrose

U2 - 10.1007/BF00198942

DO - 10.1007/BF00198942

M3 - Journal article

C2 - 24178202

AN - SCOPUS:0002506431

VL - 188

SP - 78

EP - 84

JO - Planta

JF - Planta

SN - 0032-0935

IS - 1

ER -

ID: 308327973