Control of Striga Gesneriodes Damage on Cowpea

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Date
1990
Authors
James Alexander Irvine
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James Alexander Irvine
Abstract
Low input agriculture, immediately relevant to poor cou'lltries, is a necessary aim • worldwide. A root parasitic weed, S.gesnerioides, is causing increasing yield loss from I cowpeas grown in Africa. Trials were conducted to assess the potential for controlling damage using techniques appropriate now to the third world. • In vitro studies supported reports of host root tropism in Striga radicles. Detection of host produced toxins was rejected as a resistance screening procedure. In pots, many I infections arose from low S.gesnerioides inocula. In the field, cover crop root exudates may • prevent host root location by the parasite.
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