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Genetic Diversity of a Parasitic Weed, Striga hermonthica, on Sorghum and Pearl Millet in Mali

OAR@ICRISAT

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Relation http://oar.icrisat.org/5508/
http://dx.doi.org/10.1007/s12042-011-9073-6
 
Title Genetic Diversity of a Parasitic Weed, Striga hermonthica,
on Sorghum and Pearl Millet in Mali
 
Creator Estep, M C
Mourik, T A Van
Muth, P
Guindo, D
Parzies, H K
Koita, O A
Weltzien, E
Bennetzen, J L
 
Subject Millets
Sorghum
 
Description Eleven populations of witchweed, Striga hermonthica,
were collected in four regions of Mali and
investigated with 12 microsatellite markers. Extensive
genetic diversity was observed, with most plants heterozygous
for most markers. Allelic diversity was broadly
distributed across populations with little genetic differentiation
and large amounts of gene flow. Nearby fields of pearl
millet and sorghum were found to have indistinguishable
witchweed populations. Some population structure was
apparent, but did not correlate with the local environment
or host genotype, suggesting that seed transportation or
other human-driven variables act to differentiate central
Malian S. hermonthica populations from southern Malian
populations.
 
Date 2011
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/5508/1/tpb1.pdf
Estep, M C and Mourik, T A Van and Muth, P and Guindo, D and Parzies, H K and Koita, O A and Weltzien, E and Bennetzen, J L (2011) Genetic Diversity of a Parasitic Weed, Striga hermonthica, on Sorghum and Pearl Millet in Mali. Tropical Plant Biology, 4. pp. 91-98.