Studies the effects of low dose of gamma rays on the behaviour of chickpea under various conditions.
Identifieur interne : 000727 ( Main/Exploration ); précédent : 000726; suivant : 000728Studies the effects of low dose of gamma rays on the behaviour of chickpea under various conditions.
Auteurs : M. Melki [Tunisie] ; D. SallamiSource :
- Pakistan journal of biological sciences : PJBS [ 1028-8880 ] ; 2008.
Descripteurs français
- KwdFr :
- Cicer (croissance et développement), Cicer (effets des radiations), Cicer (métabolisme), Eau (métabolisme), Germination (effets des radiations), Irradiation des aliments, Membrane cellulaire (effets des radiations), Membrane cellulaire (métabolisme), Pousses de plante (croissance et développement), Pousses de plante (effets des radiations), Racines de plante (croissance et développement), Racines de plante (effets des radiations), Rayons gamma, Relation dose-effet des radiations.
- MESH :
- croissance et développement : Cicer, Pousses de plante, Racines de plante.
- effets des radiations : Cicer, Germination, Membrane cellulaire, Pousses de plante, Racines de plante.
- métabolisme : Cicer, Eau, Membrane cellulaire.
- Irradiation des aliments, Rayons gamma, Relation dose-effet des radiations.
English descriptors
- KwdEn :
- Cell Membrane (metabolism), Cell Membrane (radiation effects), Cicer (growth & development), Cicer (metabolism), Cicer (radiation effects), Dose-Response Relationship, Radiation, Food Irradiation, Gamma Rays, Germination (radiation effects), Plant Roots (growth & development), Plant Roots (radiation effects), Plant Shoots (growth & development), Plant Shoots (radiation effects), Water (metabolism).
- MESH :
- chemical , metabolism : Water.
- growth & development : Cicer, Plant Roots, Plant Shoots.
- metabolism : Cell Membrane, Cicer.
- radiation effects : Cell Membrane, Cicer, Germination, Plant Roots, Plant Shoots.
- Dose-Response Relationship, Radiation, Food Irradiation, Gamma Rays.
Abstract
In this study, the irradiation effects spring chickpea seeds with low doses (0, 5, 10, 15, 20 and 25 Gy) of radioactive cobalt (60Co) gamma-rays, on the germination characteristics as well as on the root and shoot growth, are investigated. The effects of such irradiation doses on the relative water content and cell membrane stability following a water deficit, are also studied. The irradiated seeds kept their germination speed and capacity in Petri dishes. On Murashige and Skoog (MS) liquid medium, the dose of 15 Gy induced a significant improvement (nearly 20%) in root length as compared with the 0 Gy dose. Under glass house conditions, the root and shoot lengths and dry weights of plants grown from seeds irradiated with a dose of 15 Gy, are found to be improved at rates of 19 and 89%, respectively when compared with plants issued from non-irradiated seeds. The same irradiation dose allowed the plants subjected to a water deficit to maintain a better water level and a more stable cell membrane as compared to the control plants.
PubMed: 19137865
Affiliations:
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Le document en format XML
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<series><title level="j">Pakistan journal of biological sciences : PJBS</title>
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<term>Cicer (metabolism)</term>
<term>Cicer (radiation effects)</term>
<term>Dose-Response Relationship, Radiation</term>
<term>Food Irradiation</term>
<term>Gamma Rays</term>
<term>Germination (radiation effects)</term>
<term>Plant Roots (growth & development)</term>
<term>Plant Roots (radiation effects)</term>
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<term>Plant Shoots (radiation effects)</term>
<term>Water (metabolism)</term>
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<term>Cicer (effets des radiations)</term>
<term>Cicer (métabolisme)</term>
<term>Eau (métabolisme)</term>
<term>Germination (effets des radiations)</term>
<term>Irradiation des aliments</term>
<term>Membrane cellulaire (effets des radiations)</term>
<term>Membrane cellulaire (métabolisme)</term>
<term>Pousses de plante (croissance et développement)</term>
<term>Pousses de plante (effets des radiations)</term>
<term>Racines de plante (croissance et développement)</term>
<term>Racines de plante (effets des radiations)</term>
<term>Rayons gamma</term>
<term>Relation dose-effet des radiations</term>
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<term>Pousses de plante</term>
<term>Racines de plante</term>
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<term>Germination</term>
<term>Membrane cellulaire</term>
<term>Pousses de plante</term>
<term>Racines de plante</term>
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<term>Plant Roots</term>
<term>Plant Shoots</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Cell Membrane</term>
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<term>Food Irradiation</term>
<term>Gamma Rays</term>
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<term>Rayons gamma</term>
<term>Relation dose-effet des radiations</term>
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<front><div type="abstract" xml:lang="en">In this study, the irradiation effects spring chickpea seeds with low doses (0, 5, 10, 15, 20 and 25 Gy) of radioactive cobalt (60Co) gamma-rays, on the germination characteristics as well as on the root and shoot growth, are investigated. The effects of such irradiation doses on the relative water content and cell membrane stability following a water deficit, are also studied. The irradiated seeds kept their germination speed and capacity in Petri dishes. On Murashige and Skoog (MS) liquid medium, the dose of 15 Gy induced a significant improvement (nearly 20%) in root length as compared with the 0 Gy dose. Under glass house conditions, the root and shoot lengths and dry weights of plants grown from seeds irradiated with a dose of 15 Gy, are found to be improved at rates of 19 and 89%, respectively when compared with plants issued from non-irradiated seeds. The same irradiation dose allowed the plants subjected to a water deficit to maintain a better water level and a more stable cell membrane as compared to the control plants.</div>
</front>
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<affiliations><list><country><li>Tunisie</li>
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<tree><noCountry><name sortKey="Sallami, D" sort="Sallami, D" uniqKey="Sallami D" first="D" last="Sallami">D. Sallami</name>
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<country name="Tunisie"><noRegion><name sortKey="Melki, M" sort="Melki, M" uniqKey="Melki M" first="M" last="Melki">M. Melki</name>
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