Analysis of genetic Diversity of Orobanche Foetida Population Parasitizing Crops Legume
Citation
Mariem Bouhadida, Zouhaier Abbes, Moez Amri, Mohamed Kharrat, Rym Ben Jannet. (1/3/2015). Analysis of genetic Diversity of Orobanche Foetida Population Parasitizing Crops Legume. Journal of Agriculture and Veterinary Science, 8.
Abstract
Broomrape (Orobanche foetida Poir.) is an holoparasite that attacks crop legumes in Tunisia mainly
faba bean which limits seriously crop cultivation and causes severe damage in several important regions of the
North-West of the country. The use of molecular markers may give good appreciation of genetic diversity in
parasite populations. For this purpose, 35 specimens of O. foetida representing five populations collected
respectively on Vicia faba, Cicer arietinum, Medicago scutellata, Vicia sativa and Vicia narbonensis were
studied. Analysis of the genetic variability was assessed through the use of 10 RAPD markers. Among the
markers used, 7 provided good electrophoretic profiles therefore they were selected for the analysis of genetic
diversity of the broomrape samples studied. A total of 75 alleles were detected at the seven RAPD regions with
an average of 10.71 alleles per locus. The dendrogram obtained using the Dice coefficient allowed us to
distinguish unambiguously all the specimens of O. foetida studied except 2 which belong to the same parasite
population infesting common vetch (Vicia sativa). Significant genetic differentiation among O. foetida
populations was detected; diversity was attributed to differences among individuals within populations and
among populations. The need of availability of good markers which could give a higher degree of resolution for
discriminating closely related germplasm, could be useful to better understand the structure of populations and
to well identify parasitic groups.
Author(s) ORCID(s)
Amri, Moezhttps://orcid.org/0000-0002-4707-0618
Subject(s)
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