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Non-photosynthetic mechanisms of growth reduction in pea (Pisum sativum L.) exposed to UV-B radiation

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Non-photosynthetic mechanisms of growth reduction in pea (Pisum sativum L.) exposed to UV-B radiation. / Gonzalez-Cuesta, Raquel; Mepsted, R.; Wellburn, Alan et al.
In: Plant, Cell and Environment, Vol. 21, No. 1, 01.1998, p. 23-32.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Gonzalez-Cuesta R, Mepsted R, Wellburn A, Paul N. Non-photosynthetic mechanisms of growth reduction in pea (Pisum sativum L.) exposed to UV-B radiation. Plant, Cell and Environment. 1998 Jan;21(1):23-32. doi: 10.1046/j.1365-3040.1998.00243.x

Author

Gonzalez-Cuesta, Raquel ; Mepsted, R. ; Wellburn, Alan et al. / Non-photosynthetic mechanisms of growth reduction in pea (Pisum sativum L.) exposed to UV-B radiation. In: Plant, Cell and Environment. 1998 ; Vol. 21, No. 1. pp. 23-32.

Bibtex

@article{5524dfd47cd648138473af0456e81ef8,
title = "Non-photosynthetic mechanisms of growth reduction in pea (Pisum sativum L.) exposed to UV-B radiation",
abstract = "Pisum sativum cv. Guido grown under controlled environment conditions was exposed to either low or high UV-B radiation (2·2 or 9·9 kJ m–2 d–1 plant-weighted UV-B, respectively). Low or high UV-B was maintained throughoutgrowth (LL and HH treatments, respectively) or plants were transferred between treatments when 22 d old (giving LH and HL treatments). High UV-B significantlyreduced plant dry weight and significantly altered plant morphology. The growth and morphology of plants transferred from low to high UV-B were little affected, when compared with those of LL plants. By contrast, plants moved from high to low UV-B showed marked increases in growth when compared with HH plants. This contrast between HL and LH appeared to be related to the effect ofUV-B on plant development. Exposure to high UV-B throughout development consistently reduced leaf areas.In fully expanded leaves there was no significant UV-B effect on cell area and reduced leaf area could be attributed to reduced cell number, suggesting effects on leaf primordia. Further reductions in the leaf area of younger leaves were the result of the slower development rate of plants grown at high UV-B, which also resulted in significant reductions in leaf number.",
keywords = "Pisum sativum, cell area/number, chlorophyll fluorescence;",
author = "Raquel Gonzalez-Cuesta and R. Mepsted and Alan Wellburn and Nigel Paul",
year = "1998",
month = jan,
doi = "10.1046/j.1365-3040.1998.00243.x",
language = "English",
volume = "21",
pages = "23--32",
journal = "Plant, Cell and Environment",
issn = "0140-7791",
publisher = "Wiley",
number = "1",

}

RIS

TY - JOUR

T1 - Non-photosynthetic mechanisms of growth reduction in pea (Pisum sativum L.) exposed to UV-B radiation

AU - Gonzalez-Cuesta, Raquel

AU - Mepsted, R.

AU - Wellburn, Alan

AU - Paul, Nigel

PY - 1998/1

Y1 - 1998/1

N2 - Pisum sativum cv. Guido grown under controlled environment conditions was exposed to either low or high UV-B radiation (2·2 or 9·9 kJ m–2 d–1 plant-weighted UV-B, respectively). Low or high UV-B was maintained throughoutgrowth (LL and HH treatments, respectively) or plants were transferred between treatments when 22 d old (giving LH and HL treatments). High UV-B significantlyreduced plant dry weight and significantly altered plant morphology. The growth and morphology of plants transferred from low to high UV-B were little affected, when compared with those of LL plants. By contrast, plants moved from high to low UV-B showed marked increases in growth when compared with HH plants. This contrast between HL and LH appeared to be related to the effect ofUV-B on plant development. Exposure to high UV-B throughout development consistently reduced leaf areas.In fully expanded leaves there was no significant UV-B effect on cell area and reduced leaf area could be attributed to reduced cell number, suggesting effects on leaf primordia. Further reductions in the leaf area of younger leaves were the result of the slower development rate of plants grown at high UV-B, which also resulted in significant reductions in leaf number.

AB - Pisum sativum cv. Guido grown under controlled environment conditions was exposed to either low or high UV-B radiation (2·2 or 9·9 kJ m–2 d–1 plant-weighted UV-B, respectively). Low or high UV-B was maintained throughoutgrowth (LL and HH treatments, respectively) or plants were transferred between treatments when 22 d old (giving LH and HL treatments). High UV-B significantlyreduced plant dry weight and significantly altered plant morphology. The growth and morphology of plants transferred from low to high UV-B were little affected, when compared with those of LL plants. By contrast, plants moved from high to low UV-B showed marked increases in growth when compared with HH plants. This contrast between HL and LH appeared to be related to the effect ofUV-B on plant development. Exposure to high UV-B throughout development consistently reduced leaf areas.In fully expanded leaves there was no significant UV-B effect on cell area and reduced leaf area could be attributed to reduced cell number, suggesting effects on leaf primordia. Further reductions in the leaf area of younger leaves were the result of the slower development rate of plants grown at high UV-B, which also resulted in significant reductions in leaf number.

KW - Pisum sativum

KW - cell area/number

KW - chlorophyll fluorescence;

U2 - 10.1046/j.1365-3040.1998.00243.x

DO - 10.1046/j.1365-3040.1998.00243.x

M3 - Journal article

VL - 21

SP - 23

EP - 32

JO - Plant, Cell and Environment

JF - Plant, Cell and Environment

SN - 0140-7791

IS - 1

ER -