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Subjects genetic variation Remove constraint genetic variation: genetic variation Subjects pathogenicity Remove constraint pathogenicity: pathogenicity Year 2001 Remove constraint 2001: 2001

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1. An evaluation of the genetic diversity of Xylella fastidiosa isolated from disease citrus and coffee in Sao Paulo, Brazil

Description:: Includes references
Author:: Qin, X. , Miranda, V.S. , Machado, M.A. , Lemos, E.G.M. , Hartung, J.S.
Subject:: Citrus sinensis , Coffea arabica , Xylella fastidiosa , plant pathogenic bacteria , pathogenicity , chlorosis , pathotypes , genetic techniques and protocols , polymerase chain reaction , DNA profiling , restriction fragment length polymorphism , genetic variation , diagnostic techniques , rapid methods , Brazil
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2001

2. Dynamic multiline population approach to resistance gene management

Description:: Includes references
Author:: Wilson, J.P. , Gates, R.N. , Panwar, M.S.
Subject:: Pennisetum glaucum , Puccinia substriata , plant pathogenic fungi , rust diseases , pathogenicity , disease resistance , plant breeding , inbred lines , landraces , hybrids , genetic variation , India , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2001

3. Variation among isolates of Fusarium graminearum associated with Fusarium head blight in North Carolina

Description:: Includes references
Author:: Walker, S.L. , Leath, S. , Hagler, W.M. Jr. , Murphy, J.P.
Subject:: Gibberella zeae , Triticum aestivum , deoxynivalenol , zearalenone , pathogenicity , cultivars , strains , strain differences , crop yield , genetic variation , chemical composition , crop rotation , tillage , geographical variation , random amplified polymorphic DNA technique , fungal diseases of plants , North Carolina
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2001

4. Variation in transmission efficiency among barley yellow dwarf virus-RMV isolates and clones of the normally inefficient aphid vector, Rhopalosiphum padi

Description:: Includes references
Author:: Lucio-Zavaleta, E. , Smith, D.M. , Gray, S.M.
Subject:: Poaceae , rain , grain crops , epidemiology , pathogenicity , pathotypes , disease transmission , disease vectors , Rhopalosiphum padi , insect pests , genetic variation , New York
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2001