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Parasitic weeds and their impact in South-West Asia

Published online by Cambridge University Press:  05 December 2011

Lytton J. Musselman
Lytton J. Musselman
Affiliation:
Department of Biological Sciences, Old Dominion University, Norfolk, Virginia 23508, U.S.A.
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Synopsis

Three groups of SW Asiatic parasitic weeds are reviewed: the root parasites Striga (Scrophulariaceae), Cistanche and Orobanche (Orobanchaceae); and the stem parasites Cuscuta (Convolvulaceae). Striga hermonthka and S. asiatica are serious pests on sorghum, millet, and maize in parts of N and S Yemen and Saudi Arabia. Striga densiflora has apparently been introduced from India to Oman where it parasitises sugar-cane and sorghum. Species of Orobanche are widespread throughout almost all the region and cause serious losses in tomatoes, tobacco, broadbeans, melons and other crops. Cistanche phelypaea has recently been shown capable of attacking sugar beet. Species of Cuscuta (Convolvulaceae), widespread in SW Asia, mainly affect legume crops, especially lucerne. Considerable taxonomic research is still needed in Orobanche, Cistanche, and Cuscuta.

Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh, Section B: Biological Sciences , Volume 89: Plant Life of South-West Asia , 1986 , pp. 283 - 288
Copyright
Copyright © Royal Society of Edinburgh 1986

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