The effect of radiation on growth and abscisic acid in wheat seedlings

N. Degani; C. Itai

doi:10.1016/0098-8472(78)90006-0

The effect of radiation on growth and abscisic acid in wheat seedlings

N. Degani, C. Itai

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Irradiation of dry wheat grains with various doses (10, 30, 70 krads) of gamma rays, increased abscisic acid (ABA) concentrations in roots and leaves of 5 day old seedlings. The ABA concentration was higher in leaves than in roots. Growth inhibition was proportional to irradiation dose and ABA concentration, and roots were more inhibited than leaves. When irradiation (1 and 2 krads) was applied 24 hr after initiation of germination, ABA concentration was higher in roots than in leaves. It is suggested that radiation-induced ABA may upset the hormonal balance during germination, which may affect growth.

Original language	English
Pages (from-to)	113-115
Number of pages	3
Journal	Environmental and Experimental Botany
Volume	18
Issue number	2
DOIs	https://doi.org/10.1016/0098-8472(78)90006-0
State	Published - 1 Jan 1978
Externally published	Yes

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Agronomy and Crop Science
Plant Science

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10.1016/0098-8472(78)90006-0

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abstract = "Irradiation of dry wheat grains with various doses (10, 30, 70 krads) of gamma rays, increased abscisic acid (ABA) concentrations in roots and leaves of 5 day old seedlings. The ABA concentration was higher in leaves than in roots. Growth inhibition was proportional to irradiation dose and ABA concentration, and roots were more inhibited than leaves. When irradiation (1 and 2 krads) was applied 24 hr after initiation of germination, ABA concentration was higher in roots than in leaves. It is suggested that radiation-induced ABA may upset the hormonal balance during germination, which may affect growth.",

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AU - Itai, C.

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AB - Irradiation of dry wheat grains with various doses (10, 30, 70 krads) of gamma rays, increased abscisic acid (ABA) concentrations in roots and leaves of 5 day old seedlings. The ABA concentration was higher in leaves than in roots. Growth inhibition was proportional to irradiation dose and ABA concentration, and roots were more inhibited than leaves. When irradiation (1 and 2 krads) was applied 24 hr after initiation of germination, ABA concentration was higher in roots than in leaves. It is suggested that radiation-induced ABA may upset the hormonal balance during germination, which may affect growth.

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The effect of radiation on growth and abscisic acid in wheat seedlings

Abstract

ASJC Scopus subject areas

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