NDLI: Influence des facteurs environnementaux sur la technique d’hybridation interspécifique chez le blé dur

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Influence des facteurs environnementaux sur la technique d’hybridation interspécifique chez le blé dur

Content Provider	Semantic Scholar
Author	Ayed, Saïda Chamekh, Zoubeir Ayed-Slama, Olfa Amara, Hager
Copyright Year	2016
Abstract	In this study, durum wheat x maize cross is used as an alternative for haploid plants production. This method is based on embryos rescue. The objective of this study was to analyze the influence of environmental factors in durum wheat crossed with maize on the basis of three parameters: percentage of developed ovaries, of embryos and of regenerated haploid plants. Four Tunisian durum wheat genotypes namely Jenah khotifa, Biskri, Karim and Razzek used as female parent were crossed with a maize genotype (Pioneer 37Y15) used as male parent. Results showed a significative difference between the two cropping season 2007-2008 and 2008-2009 for all parameters studied. Percentage of developed ovaries and embryos formed recorded about 45.33 % and 7.35% for the cropping season 2007-2008 and 29.15% and 6.35% for 2008-2009 cropping season 2007-2008. Genotypes Jeneh khotifa (47.5% and 9.7%) followed by Biskri (42.1% and 4.7%) showed the best percentage of developed ovaries, of embryos. A positive corrélation were noted between percentage of developed ovaries and embryos developed (0.67) and between percentage of developed ovaries and haploid plants regenerated (0.69).
File Format	PDF HTM / HTML
Volume Number	28
Alternate Webpage(s)	http://www.jnsciences.org/index.php?id=146&option=com_attachments&task=download
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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