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Paper Information

Journal:   IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH   2003 , Volume 11 , Number 1; Page(s) 53 To 61.
 
Paper: 

KARYOTYPIC VARIATION IN DIFFERENT BROMUS SPECIES

 
 
Author(s):  MIRZAEI NADOUSHAN HOSSEIN, SHARIAT ANAHITA
 
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Abstract: 

Bromus is one of the most important genus in the rangelands of which several species have covered a vast areas of our country. Different species of the genus have not been paid enough attention for genetic and cytogenetic variation whereas, information on karyotypic characteristics and ploidy levels are of primary requirements of breeding projects of each plant species. For these reasons in the current study several species of Bromus were studied for karyotypic characteristics by studying metaphase chromosomes in mitotic meristem cells. In order to prepare mitotic cells, fresh grown root tip meristems of germinated seeds were used. Bromonaphtaline, Farmer fixative and Hematoxiline were used for pretreatment, fixation and staining, respectively. Six species of the genus were studied in this research. Different ploidy levels were observed between the different populations and species, which were mainly a multiplication of seven. This variation in ploidy level particularly within the species could cause morphological variation and resultantly better stability of the species. It could also provide the suitable opportunity for utilizing the variation in breeding and developing Bromus cultivars in the country. In the future studies the populations have to be studied for karyotype asymmetry to find relationship between the populations in order to use their potentials in breeding projects.

 
Keyword(s): BROMUS, KARYOTYPE, POLYPLOID, CYTOGENETICS, MITOSIS
 
 
References: 
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Citations: 
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APA: Copy

MIRZAEI NADOUSHAN, H., & SHARIAT, A. (2003). KARYOTYPIC VARIATION IN DIFFERENT BROMUS SPECIES. IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH, 11(1), 53-61. https://www.sid.ir/en/journal/ViewPaper.aspx?id=120135



Vancouver: Copy

MIRZAEI NADOUSHAN HOSSEIN, SHARIAT ANAHITA. KARYOTYPIC VARIATION IN DIFFERENT BROMUS SPECIES. IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH. 2003 [cited 2021November28];11(1):53-61. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=120135



IEEE: Copy

MIRZAEI NADOUSHAN, H., SHARIAT, A., 2003. KARYOTYPIC VARIATION IN DIFFERENT BROMUS SPECIES. IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH, [online] 11(1), pp.53-61. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=120135.



 
 
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