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Forty-six accessions of grapevine (V. vinifera L.) were compared by restriction fragment length polmorphism (RFLP) analysis, and 111 informative or unique restriction fragments were found that revealed an important level of polymorphism. RFLP patterns were compared in two ways: by calculating electrophoretic similarity degree values further analyzed by(More)
Froelichia (Amaranthaceae) is reported from the Sahel of Senegal for the first time. This is a new generic record for Africa and is a cause for concern since the genus is known to be an invasive weed in other countries with warm climates and sandy substrates. The difficulties caused by this taxon are summarised and control measures are suggested.
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