E. Cohn

Publications20
h-index9
Citations244
Highly Influential Citations8
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Characterization of sialyl and galactosyl residues on the body wall of different plant parasitic nematodes.
The plant parasitic nematodes Helicotylenchus multicinctus, Meloidogyne javanica, Tylenchulus semipenetrans, and Xiphinema index, differing in their host specificity and parasitic habits, were… Expand
  • 57
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A contribution to the taxonomy of the genus xiphinema cobb, 1913.
In a comparative study of different populations of Xiphinema, the significance of the female gonad structure in species determination is stressed, and monodelphic, pseudomonodelphic, and didelphic… Expand
  • 36
  • 3
A Collagenolytic Fungus, Cunninghamella elegans, for Biological Control of Plant-parasitic Nematodes.
The root-galling index of tomatoes inoculated with Meloidogyne javanica was decreased 70% when collagen was used as a soil amendment (0.1% w/w) and 90% when the amendment was supplemented with the… Expand
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Observations on the Mode of Parasitism and Histopathology of Meloidodera floridensis and Verutus volvingentis (Heteroderidae).
Some aspects of the host-parasite relationships of two heteroderid nematodes are described. Meloidodera floridensis induced formation of single uninucleate giant cells in the stelar parenchyma tissue… Expand
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Observations on the feeding and symptomatology of xiphinema and longidorus on selected host roots.
  • E. Cohn
  • Biology, Medicine
  • Journal of nematology
  • 1 April 1970
In vitro feeding of Xiphinema brevicolle, X. index and Longidorus africanus on roots of host seedlings is described. Both Xiphinema spp. fed mainly along roots rather than at tips and up to several… Expand
  • 32
Use of Chitin for Controlling Heterodera avenae and Tylenchulus semipenetrans.
The nematicidal effect of chitin, relative to other pesticides, was evaluated against two plant-parasitic nematodes, Heterodera avenae and Tylenchulus semipenetrans. Wheat seedlings, grown in soils… Expand
  • 24
Lectin Binding to Meloidogyne javanica Eggs.
T h e egg shell is one of the most impor tant and least understood of the nematode's protective membranes. The egg shell of Meloidogyne incognita consists mostly of proteins (50%), chitin (30%), and… Expand
  • 9
Biochemical Changes in Terminal Root Galls Caused by an Ectoparasitic Nematode, Longidorus africanus: Amino Acids.
The amino acids of terminal root galls caused by Longidorus africanus on bur marigold (Bidens tripartita L.) and grapevine (Vitis vinifera L.) were studied. The galled roots of bur marigold contained… Expand
  • 8
Changes in Fine Structure of Citrus Root Cells Induced By Tylenchulus Semipenetrans
Electron microscope studies of citrus roots infected with Tylenchulus semipenetrans showed two distinctive symptoms associated with pathogenesis. First was the presence of paracrystalline arrays… Expand
  • 5
Parasitic Habits of Trophotylenchulus floridensis (Tylenchulidae) and its Taxonomic Relationship to Tylenchulus semipenetrans and Allied Species.
Parasitism by Trophotylenchulus floridensis Raski, 1957 was studied on roots of sand pine (Pinus clausa [Chapm.] Vasey). Different life stages of the nematode were observed to be covered by dark,… Expand
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