University of Khartoum

A Note on the Chemical Mechanisms of Resistance to Field Dodder (Cuscuta campestris Yuncker) in Some Horticultural and Field Crops

A Note on the Chemical Mechanisms of Resistance to Field Dodder (Cuscuta campestris Yuncker) in Some Horticultural and Field Crops

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Title: A Note on the Chemical Mechanisms of Resistance to Field Dodder (Cuscuta campestris Yuncker) in Some Horticultural and Field Crops
Author: Farah, A.F.; El-Hassan, G.M.
Abstract: A study was carried out to determine the mechanisms of resistance to field dodder (Cuscuta campestris Yuncker) in maize, kidney bean, garden been and hyacinth bean, which represent resistant, tolerant, susceptible and highly susceptible crops, respectively. The results indicated a rise in both phenolic acids and lignin contents with dodder infestation, except in maize – a resistant crop. The two chemicals were much higher in the tolerant crop (kidney bean) than the other three crops, indicating that both phenolic acids and lignin could play a role in stimulating defence mechanisms against field dodder parasitism, especially in tolerant crops.
Description: Page(s): 10 (1),143-149, 10 Ref.
URI: http://hdl.handle.net/123456789/2047
Date: 2002


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