Vol. 21, No. 3 (July 1989)

Articles

• Abiotic Soil Factors and Plant-parasitic Nematode Communities

  Don C. Norton

  299-307

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• Why Ecologists Need Systematics: Importance of Systematics to Ecological Research

  V. R. Ferris, J. M. Ferris

  308-314

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• Species, Guilds, and Functional Groups: Taxonomy and Behavior in Nematophagous Arthropods

  David Evans Walter, Eeva K. Ikonen

  315-327

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• Influence of Environmental Factors on the Hatch and Survival of Meloidogyne incognita

  P. B. Goodell, H. Ferris

  328-334

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• Description of Discocriconemella mineira n. sp. and D. degrissei Males from Brazil

  N. Vovlas, S. Ferraz, J. M. dos Santos

  335-341

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• Esterase and Malate Dehydrogenase Phenotypes in Portuguese Populations of Meloidogyne Species

  Celia S. Pais, Isabel M. de O. Abrantes

  342-346

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• Survival of Heterodera zeae in Soil in the Field and in the Laboratory

  Lorin R. Krusberg, Sandra Sardanelli

  347-355

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• Endoparasitic Nematodes in Maize Roots in the Western Transvaal as Related to Soil Texture and Rainfall

  Elizabeth M. Jordaan, D. de Waele, P. J. van Rooyen

  356-360

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• Influence of Temperature and Soybean Phenology on Dormancy Induction of Heterodera glycines

  N. S. Hill, D. P. Schmitt

  361-369

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• Accelerated Movement of Nematodes from Soil in Baermann Funnels with Temperature Gradients

  A. F. Robinson, C. M. Heald

  370-378

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• Screening Subterranean Clover (Trifolium spp.) Germplasm for Resistance to Meloidogyne species

  C. N. Kouame, D. D. Baltensperger, G. M. Prine, R. A. Dunn

  379-383

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• Cereal Cyst Nematode (Heterodera avenae) on Oats. II. Early Root Development and Nematode Tolerance

  K. M. Volkmar

  384-391

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• Monoclonal Antibodies to Secretory Granules in Esophageal Glands of Meloidogyne Species

  R. S. Hussey

  392-398

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• Nematode Autofluorescence and Its Use as an Indicator of Viability

  T. A. Forge, A. E. MacGuidwin

  399-403

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• Abundance and Vertical Distribution of Longidorus breviannulatus Associated with Corn and Potato

  A. E. MacGuidwin

  404-408

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• Distribution of Pratylenchus scribneri between Root and Soil Habitats

  A. E. MacGuidwin

  409-415

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• Effect of Temperature on Development and Survival of the Mermithid Filipjevimermis leipsandra

  Kent D. Elsey

  416-418

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• Use of Chitin for Controlling Heterodera avenae and Tylenchulus semipenetrans

  Y. Spiegel, E. Cohn, I. Chet

  419-422

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• Efficient Preservation of Root-knot and Cyst Nematodes in Liquid Nitrogen

  A. C. Triantaphyllou, E. McCabe

  423-426

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• Neoplastic Growths in Preparasitic Juveniles of Meloidogyne incognita

  Michael A. McClure

  427-430

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• Parasitism of the Citrus Nematode, Tylenchulus semipenetrans, by Pasteuria penetrans in Iraq

  F. A. Fattah, H. M. Saleh, H. M. Aboud

  431-433

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• Infectivity of Steinernema feltiae in Fenamiphos-treated Sand

  Harry K. Kaya, T. M. Burlando

  434-436

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