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Subjects California Remove constraint California: California Subjects genetic variation Remove constraint genetic variation: genetic variation Year 2004 Remove constraint 2004: 2004

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1. Analysis of the spatial patterns of Pierce's disease incidence in the lower San Joaquin Valley in California

Description:: Includes references
Author:: Tubajika, K.M. , Civerolo, E.L. , Ciomperlik, M.A. , Luvisi, D.A. , Hashim, J.M.
Subject:: Homalodisca vitripennis , Vitis vinifera , grapes , bacterial diseases of plants , Xylella fastidiosa , plant pathogenic bacteria , pathogenicity , disease incidence , spatial distribution , geographical distribution , disease transmission , disease vectors , insect pests , cultivars , genetic variation , disease resistance , row spacing , California
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

2. Detection of DNA polymorphisms in Homalodisca coagulata (Homoptera: Cicadellidae) by polymerase chain reaction-based DNA fingerprinting methods

Description:: Includes references
Author:: De Leon, J.H. , Jones, W.A.
Subject:: genetic polymorphism , nucleotide sequences , DNA profiling , microsatellite repeats , genetic markers , loci , genetic variation , genetic distance , geographical variation , insect vectors , pest identification , California , Texas
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

3. Identification of lettuce (Lactuca sativa L.) germplasm with genetic resistance to drop caused by Sclerotinia minor

Description:: Includes references
Author:: Grube, R. , Ryder, E.
Subject:: Lactuca sativa , germplasm , genetic variation , provenance , disease resistance , resistance mechanisms , fungal diseases of plants , plant diseases and disorders , Sclerotinia minor , plant pathogenic fungi , California
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

4. Molecular distinction between populations of Gonatocerus morrilli, egg parasitoids of the glassy-winged sharpshooter from Texas and California: Do cryptic species exist?

Description:: Includes references
Author:: de Leon, J.H. , Jones, W.A. , Morgan, D.J.W.
Subject:: Gonatocerus , parasitoids , population genetics , genetic variation , genetic markers , DNA profiling , genetic polymorphism , loci , genetic distance , internal transcribed spacers , geographical variation , Homalodisca vitripennis , Texas , California
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

5. Necrotic lesion resistance induced by Peronospora tabacina on leaves of Nicotiana obtusifolia

Description:: Includes references
Author:: Heist, E.P. , Zaitlin, D. , Funnell, D.L. , Nesmith, W.C. , Schardl, C.L.
Subject:: Nicotiana , downy mildew , Peronospora tabacina , plant pathogenic fungi , pathogenicity , leaves , lesions (plant) , disease resistance , induced resistance , genotype , genetic variation , developmental stages , plant anatomy , Arizona , Texas , California , Kentucky
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004