Increased Levels of Cytokinin Induce Tolerance to Necrotic Diseases and Various Oxidative Stress-Causing Agents in Plants

Research output: Article

6 Citations (Scopus)

Abstract

External application of 20 μg.ml-1 kinetin or 20 μg.ml-1 benzyladenine for 2 weeks increased the tolerance of tobacco plants to the oxidative stress caused by 8.6 × 10-5 M paraquat or 0.1% HgCl2 or 2.5 × 10-3 M fungal toxin fusaric acid. After kinetin treatment the membrane stability increased, since phospholipid content increased and the free sterol content decreased in the treated plant tissues. Tomato plants regenerated from Agrobacterium tumefaciens tumors also showed an elevated tolerance to the superoxide-producing compound, paraquat and to fusaric acid. The above data suggest that by increasing juvenility of leaf tissues tolerance to some stressful conditions can be increased in plants.

Original languageEnglish
Pages (from-to)25-30
Number of pages6
JournalPhyton - Annales Rei Botanicae
Volume37
Issue number3
Publication statusPublished - jan. 7 1997

Fingerprint

Cytokinins
fusaric acid
cytokinins
Fusaric Acid
Oxidative Stress
oxidative stress
tolerance
paraquat
Kinetin
kinetin
Paraquat
juvenility
Agrobacterium radiobacter
benzyladenine
superoxide anion
Mercuric Chloride
Agrobacterium tumefaciens
mycotoxins
sterols
plant tissues

ASJC Scopus subject areas

  • Plant Science

Cite this

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title = "Increased Levels of Cytokinin Induce Tolerance to Necrotic Diseases and Various Oxidative Stress-Causing Agents in Plants",
abstract = "External application of 20 μg.ml-1 kinetin or 20 μg.ml-1 benzyladenine for 2 weeks increased the tolerance of tobacco plants to the oxidative stress caused by 8.6 × 10-5 M paraquat or 0.1{\%} HgCl2 or 2.5 × 10-3 M fungal toxin fusaric acid. After kinetin treatment the membrane stability increased, since phospholipid content increased and the free sterol content decreased in the treated plant tissues. Tomato plants regenerated from Agrobacterium tumefaciens tumors also showed an elevated tolerance to the superoxide-producing compound, paraquat and to fusaric acid. The above data suggest that by increasing juvenility of leaf tissues tolerance to some stressful conditions can be increased in plants.",
keywords = "Cytokinins, Stress-tolerance, Tobacco, Tomato",
author = "B. Barna and A. {\'A}d{\'a}m and Z. Kir{\'a}ly",
year = "1997",
month = "1",
day = "7",
language = "English",
volume = "37",
pages = "25--30",
journal = "Phyton - Annales Rei Botanicae",
issn = "0079-2047",
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TY - JOUR

T1 - Increased Levels of Cytokinin Induce Tolerance to Necrotic Diseases and Various Oxidative Stress-Causing Agents in Plants

AU - Barna, B.

AU - Ádám, A.

AU - Király, Z.

PY - 1997/1/7

Y1 - 1997/1/7

N2 - External application of 20 μg.ml-1 kinetin or 20 μg.ml-1 benzyladenine for 2 weeks increased the tolerance of tobacco plants to the oxidative stress caused by 8.6 × 10-5 M paraquat or 0.1% HgCl2 or 2.5 × 10-3 M fungal toxin fusaric acid. After kinetin treatment the membrane stability increased, since phospholipid content increased and the free sterol content decreased in the treated plant tissues. Tomato plants regenerated from Agrobacterium tumefaciens tumors also showed an elevated tolerance to the superoxide-producing compound, paraquat and to fusaric acid. The above data suggest that by increasing juvenility of leaf tissues tolerance to some stressful conditions can be increased in plants.

AB - External application of 20 μg.ml-1 kinetin or 20 μg.ml-1 benzyladenine for 2 weeks increased the tolerance of tobacco plants to the oxidative stress caused by 8.6 × 10-5 M paraquat or 0.1% HgCl2 or 2.5 × 10-3 M fungal toxin fusaric acid. After kinetin treatment the membrane stability increased, since phospholipid content increased and the free sterol content decreased in the treated plant tissues. Tomato plants regenerated from Agrobacterium tumefaciens tumors also showed an elevated tolerance to the superoxide-producing compound, paraquat and to fusaric acid. The above data suggest that by increasing juvenility of leaf tissues tolerance to some stressful conditions can be increased in plants.

KW - Cytokinins

KW - Stress-tolerance

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