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Radiosensitivity of African sesame cultivars to gamma-rays

Seyni Boureima UGent, Macoumba Diouf, RS Silme, Tahir Diop, Patrick Van Damme UGent and M Ilhan Çağirgan (2009) TURKISH JOURNAL OF FIELD CROPS. 14(2). p.181-190
abstract
The effects of gamma irradiation on germination, seedling height and survival rate of two sesame (Sesamum indicum L.) cultivars from Senegal were investigated. Seeds of the extensively grown cultivars in Senegal, "32-15" and "38-1-7", were irradiated with 0, 100, 200, 300, 400, 500, 600, 700 and 800 Gy. The irradiated seeds (0, 300 and 400 Gy) of a Turkish cultivar "Birkan" were also used as a reference. Irradiated seeds were sown with their respective controls both in field and greenhouse conditions to assess germination rate, seedling height and survival rate as affected by the different doses of gamma rays. Germination, seedling height and survival rate significantly decreased with increasing irradiation dose. The depressive effect of radiation on germination was more pronounced in the field than in the greenhouse conditions. Cultivar "32-15" was more sensitive to gamma irradiation than cultivar "38-1-7". The effective dose which caused 50 % growth reduction was 645 Gy for variety "32-15" and 740 Gy for variety "38-1-7". The lethal dose (LD(50)) determined at 50 days after sowing was 550 Gy and 740 Gy for "32-15" and "38-1-7", respectively. From the parameters studied, seedling height reduction or LD(50) can equally be used in determining effective dose suitable for inducing artificial mutations.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
Sesamum indicum L., Mutagenesis, primary damage, chimerism
journal title
TURKISH JOURNAL OF FIELD CROPS
Turk. J. Field Crops
volume
14
issue
2
pages
181 - 190
Web of Science type
Article
Web of Science id
000273364900017
ISSN
1301-1111
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2072536
handle
http://hdl.handle.net/1854/LU-2072536
date created
2012-03-22 13:31:18
date last changed
2012-03-22 13:56:32
@article{2072536,
  abstract     = {The effects of gamma irradiation on germination, seedling height and survival rate of two sesame (Sesamum indicum L.) cultivars from Senegal were investigated. Seeds of the extensively grown cultivars in Senegal, {\textacutedbl}32-15{\textacutedbl} and {\textacutedbl}38-1-7{\textacutedbl}, were irradiated with 0, 100, 200, 300, 400, 500, 600, 700 and 800 Gy. The irradiated seeds (0, 300 and 400 Gy) of a Turkish cultivar {\textacutedbl}Birkan{\textacutedbl} were also used as a reference. Irradiated seeds were sown with their respective controls both in field and greenhouse conditions to assess germination rate, seedling height and survival rate as affected by the different doses of gamma rays. Germination, seedling height and survival rate significantly decreased with increasing irradiation dose. The depressive effect of radiation on germination was more pronounced in the field than in the greenhouse conditions. Cultivar {\textacutedbl}32-15{\textacutedbl} was more sensitive to gamma irradiation than cultivar {\textacutedbl}38-1-7{\textacutedbl}. The effective dose which caused 50 \% growth reduction was 645 Gy for variety {\textacutedbl}32-15{\textacutedbl} and 740 Gy for variety {\textacutedbl}38-1-7{\textacutedbl}. The lethal dose (LD(50)) determined at 50 days after sowing was 550 Gy and 740 Gy for {\textacutedbl}32-15{\textacutedbl} and {\textacutedbl}38-1-7{\textacutedbl}, respectively. From the parameters studied, seedling height reduction or LD(50) can equally be used in determining effective dose suitable for inducing artificial mutations.},
  author       = {Boureima, Seyni and Diouf, Macoumba and Silme, RS and Diop, Tahir and Van Damme, Patrick and \c{C}a\u{g}irgan, M Ilhan},
  issn         = {1301-1111},
  journal      = {TURKISH JOURNAL OF FIELD CROPS},
  keyword      = {Sesamum indicum L.,Mutagenesis,primary damage,chimerism},
  language     = {eng},
  number       = {2},
  pages        = {181--190},
  title        = {Radiosensitivity of African sesame cultivars to gamma-rays},
  volume       = {14},
  year         = {2009},
}

Chicago
Boureima, Seyni, Macoumba Diouf, RS Silme, Tahir Diop, Patrick Van Damme, and M Ilhan Çağirgan. 2009. “Radiosensitivity of African Sesame Cultivars to Gamma-rays.” Turkish Journal of Field Crops 14 (2): 181–190.
APA
Boureima, S., Diouf, M., Silme, R., Diop, T., Van Damme, P., & Çağirgan, M. I. (2009). Radiosensitivity of African sesame cultivars to gamma-rays. TURKISH JOURNAL OF FIELD CROPS, 14(2), 181–190.
Vancouver
1.
Boureima S, Diouf M, Silme R, Diop T, Van Damme P, Çağirgan MI. Radiosensitivity of African sesame cultivars to gamma-rays. TURKISH JOURNAL OF FIELD CROPS. 2009;14(2):181–90.
MLA
Boureima, Seyni, Macoumba Diouf, RS Silme, et al. “Radiosensitivity of African Sesame Cultivars to Gamma-rays.” TURKISH JOURNAL OF FIELD CROPS 14.2 (2009): 181–190. Print.