Vol. 22, No. 4 (October 1990)

Published: 1990-10-15

Articles

Stability and Characteristics of Spatial Description Parameters for Nematode Populations

H. Ferris, T. A. Mullens, K. E. Foord

427-439
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Influence of Soil pH and Oxygen on Persistence of Steinernema spp.

Shang-Ping Kung, Randy Gaugler, Harry K. Kaya

440-445
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Effect of Temperature on Expression of Resistance to Meloidogyne spp. In Common Bean (Phaseolus vulgaris)

C. O. Omwega, I. J. Thomason, P. A. Roberts

446-451
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Demonstration of Multiple Mating in Heterodera glycines with Biochemical Markers

A. C. Triantaphyllou, P. R. Esbenshade

452-456
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Descriptions and Comparative Morphology of Cactodera milleri n. sp. (Nematoda: Heteroderidae) and Cactodera cacti with a Review and Key to the Genus Cactodera

L. S. O. Graney, G. W. Bird

457-480
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Plant-parasitic Nematode Acetylcholinesterase Inhibition by Carbamate and Organophosphate Nematicides

C. H. Opperman, S. Chang

481-488
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Tests for Transmission of Prunus Necrotic Ringspot and Two Nepoviruses by Criconemella xenoplax

W-Q. Yuan, O. W. Barnett, S. W. Westcott III, S. W. Scott

489-495
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Interactions Between Calonectria crotalariae and Heterodera gIycines on Soybean

C. Overstreet, E. C. McGawley, J. S. Russin

496-505
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Effect of Bursaphelenchus xylophilus on the Assimilation and Translocation of 14 C in Pinus sylvestris

H. Melakeberhan, J. M. Webster

506-512
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Parasitism of Brown Planthopper and Whitebacked Planthopper by Agamermis unka in Korea

Ho Yul Choo, Harry K. Kaya

513-517
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Identification of Single Meloidogyne Juveniles by Polymerase Chain Reaction Amplification of Mitochondrial DNA

T. S. Harris, L. J. Sandall, T. O. Powers

518-524
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Host Range and Ecology of Isolates of Pasteuria spp. from the Southeastern United States

M. Oostendorp, D. W. Dickson, D. J. Mitchell

525-531
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Isolation of Fungi from Heterodera glycines and in vitro Bioassays for Their Antagonism to Eggs

Susan L. F. Meyer, Robin N. Huettel, Richard M. Sayre

532-537
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Comparison of Populations of Pratylenchus brachyurus Based on Isozyme Phenotypes

L. A. Payan, D. W. Dickson

538-545
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Biology and Pathogenicity of Pratylenchus neglectus on Alfalfa

G. D. Griffin, F. A. Gray

546-551
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Repeated Sampling to Determine the Precision of Estimating Nematode Population Densities

D. P. Schmitt, K. R. Barker, J. P. Noe, S. R. Koenning

552-559
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Morphometrics and SEM Illustrations of Three Species of Ogma Southern, 1914 (Nematoda: Criconematidae) from Spain

P. Castillo, N. Vovlas, A. Gomez-Barcina

560-566
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Antagonists of Plant-parasitic Nematodes in Florida Citrus

David Evans Walter, David T. Kaplan

567-573
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Vertical Dispersal of Steinernema scapterisci

K. B. Nguyen, G. C. Smart, Jr.

574-578
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Paralongidorus bullatus n. sp. from Groundnut Soils in Niger and Comments on Xiphinema parasetariae Luc

S. B. Sharma, M. R. Siddiqi

579-584
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Resistance in Lycopersicon peruvianum to Isolates of Mi Gene-Compatible Meloidogyne Populations

P. A. Roberts, A. Dalmasso, G. B. Gap, P. Castagnone-Sereno

585-589
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Efficient Procedure for Extracting Tylenchulus semipenetrans from Citrus Roots

N. Greco, T. D'Addabbo

590-593
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Fungal Parasites of the Potato Cyst Nematode Globodera rostochiensis: Isolation and Reinfection

Carin Dackman

594-597
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Ecdysteroids in Axenically Propagated Caenorhabditis elegans and Culture Medium

D. J. Chitwood, M. F. Feldlaufer

598-607
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Monoxenic Culture of Banana-Parasitic Nematodes on Musa acuminata cv. Poyo shoots

Thierry Mateille

608-611
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Influence of Potassium on Spore Germination in the Nematophagous Fungus, Hirsutella rhossiliensis

C. G. Eayre, B. A. Jaffee, E. I. Zehr

612-613
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Differences in Egress of Male and Female Pratylenchus penetrans from Pea Roots

D. J. Wixted, A. E. MacGuidwin

614-617
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Heterodera glycines Invasion and Reproduction on Soybean Grown in Clay and Silt Loam Soils

Lawrence D. Young, Larry G. Heatherly

618-619
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Errata

Editors

620
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