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Qirui Cui, Haizheng Xiong, Yufeng Yufeng, Stephen Eaton, Sora Imamura, Jossie Santamaria, Waltram Ravelombola, Richard Esten Mason, Lisa Wood, Leandro Angel Mozzoni, and Ainong Shi

environmental factors. A quarter of the world's population is threatened by this problem, and most of them are from the developing countries of Africa and Asia. Among all leguminous crops, cowpea [ Vigna unguiculate (L.) Walp.] has a relatively high adaptation

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Waltram Ravelombola, Ainong Shi, Jun Qin, Yuejin Weng, Gehendra Bhattarai, Bazgha Zia, Wei Zhou, and Beiquan Mou

tolerate limited water supplies at early vegetative growth could be an affordable solution to overcome drought conditions. Reports showed that impacts of drought on crops such as cowpea have been acute in tropical and subtropical regions ( Carvalho et al

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Muhammad Bashir and Richard Hampton

Sweetpotato Collaborators & Cowpea Meeting

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A.G. Hunter, O.L. Chambliss, and J.C. Williams

Four southernpea (cowpea) [Vigna unguiculata (L.) Walp.] cultivars representing various combinations of resistance and susceptibility to blackeye cowpea mosaic virus (BlCMV) and southern root-knot nematode [Meloidogyne incognita (Kofoid and White) Chitwood] were used to determine effectiveness of simultaneous screening of plants for resistance to both pathogens. Plants were inoculated with both pathogens simultaneously, each pathogen separately, or left uninoculated as controls. The resistance classification of the cultivars based on treatments with only one pathogen was not different from that based on the treatment with both pathogens. Virus × nematode interaction was not a significant source of variation in BlCMV symptoms and root-knot nematode galls. Simultaneous screening for both pathogens in southernpeas appears to be a feasible option.

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Richard O. Hampton

National Cowpea Improvement Assn.

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Blair Buckley III and Christopher A. Clark

National Cowpea Improvement Association

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A.G. Hunter, O.L. Chambliss, and L.O. Wells

National Cowpea Improvement Association

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Yuejin Weng, Jun Qin, Stephen Eaton, Yufeng Yang, Waltram Second Ravelombola, and Ainong Shi

Cowpea [ Vigna unguiculata (L.) Walp], an annual legume native to tropical and subtropical regions, is a protein-rich crop that complements staple cereal for human and fodder for livestock and also provides soil improvement benefits through

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Ricardo Goenaga, Adolfo Quiles, and A. Graves Gillaspie

Cowpea or Southernpea [ Vigna unguiculata (L.) Walp] is the most economically important indigenous African legume crop ( Langyintuo et al., 2003 ). The crop is also an important staple in many parts of the United States, South and Central America